/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 18:00:38,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 18:00:38,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 18:00:38,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 18:00:38,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 18:00:38,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 18:00:38,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 18:00:38,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 18:00:38,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 18:00:38,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 18:00:38,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 18:00:38,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 18:00:38,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 18:00:38,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 18:00:38,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 18:00:38,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 18:00:38,523 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 18:00:38,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 18:00:38,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 18:00:38,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 18:00:38,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 18:00:38,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 18:00:38,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 18:00:38,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 18:00:38,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 18:00:38,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 18:00:38,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 18:00:38,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 18:00:38,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 18:00:38,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 18:00:38,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 18:00:38,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 18:00:38,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 18:00:38,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 18:00:38,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 18:00:38,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 18:00:38,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 18:00:38,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 18:00:38,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 18:00:38,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 18:00:38,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 18:00:38,556 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2021-03-25 18:00:38,591 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 18:00:38,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 18:00:38,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 18:00:38,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 18:00:38,594 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 18:00:38,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 18:00:38,594 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 18:00:38,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 18:00:38,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 18:00:38,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 18:00:38,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 18:00:38,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 18:00:38,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 18:00:38,596 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 18:00:38,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 18:00:38,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 18:00:38,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 18:00:38,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 18:00:38,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 18:00:38,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 18:00:38,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 18:00:38,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 18:00:38,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 18:00:38,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 18:00:38,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 18:00:38,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 18:00:38,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 18:00:38,604 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 18:00:38,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 18:00:38,604 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 18:00:38,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 18:00:38,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 18:00:38,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 18:00:38,899 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-25 18:00:38,900 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-25 18:00:38,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl [2021-03-25 18:00:38,901 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_6.bpl' [2021-03-25 18:00:38,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 18:00:38,928 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-25 18:00:38,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 18:00:38,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 18:00:38,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 18:00:38,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:00:38" (1/1) ... [2021-03-25 18:00:38,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:00:38" (1/1) ... [2021-03-25 18:00:38,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 18:00:38,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 18:00:38,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 18:00:38,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 18:00:38,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:00:38" (1/1) ... [2021-03-25 18:00:38,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:00:38" (1/1) ... [2021-03-25 18:00:38,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:00:38" (1/1) ... [2021-03-25 18:00:38,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:00:38" (1/1) ... [2021-03-25 18:00:38,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:00:38" (1/1) ... [2021-03-25 18:00:38,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:00:38" (1/1) ... [2021-03-25 18:00:38,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:00:38" (1/1) ... [2021-03-25 18:00:38,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 18:00:38,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 18:00:38,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 18:00:38,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 18:00:38,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:00:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 18:00:39,015 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-03-25 18:00:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-03-25 18:00:39,016 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-03-25 18:00:39,016 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-03-25 18:00:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-03-25 18:00:39,016 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-03-25 18:00:39,016 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-03-25 18:00:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-03-25 18:00:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-03-25 18:00:39,017 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-03-25 18:00:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-03-25 18:00:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-03-25 18:00:39,017 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-03-25 18:00:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-03-25 18:00:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-03-25 18:00:39,018 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-25 18:00:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 18:00:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 18:00:39,018 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-03-25 18:00:39,018 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-03-25 18:00:39,018 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-03-25 18:00:39,019 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 18:00:39,145 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 18:00:39,145 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-25 18:00:39,147 INFO L202 PluginConnector]: Adding new model example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 06:00:39 BoogieIcfgContainer [2021-03-25 18:00:39,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 18:00:39,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 18:00:39,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 18:00:39,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 18:00:39,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.03 06:00:38" (1/2) ... [2021-03-25 18:00:39,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c04919 and model type example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 06:00:39, skipping insertion in model container [2021-03-25 18:00:39,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 06:00:39" (2/2) ... [2021-03-25 18:00:39,153 INFO L111 eAbstractionObserver]: Analyzing ICFG example_6.bpl [2021-03-25 18:00:39,157 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 18:00:39,160 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-25 18:00:39,161 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 18:00:39,237 INFO L149 ThreadInstanceAdder]: Constructed 36 joinOtherThreadTransitions. [2021-03-25 18:00:39,270 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 18:00:39,302 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 18:00:39,302 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 18:00:39,302 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 18:00:39,302 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 18:00:39,302 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 18:00:39,302 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 18:00:39,302 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 18:00:39,303 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 18:00:39,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 63 transitions, 264 flow [2021-03-25 18:00:39,427 INFO L129 PetriNetUnfolder]: 129/213 cut-off events. [2021-03-25 18:00:39,427 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2021-03-25 18:00:39,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 213 events. 129/213 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 763 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 187. Up to 60 conditions per place. [2021-03-25 18:00:39,433 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 63 transitions, 264 flow [2021-03-25 18:00:39,441 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 44 places, 55 transitions, 236 flow [2021-03-25 18:00:39,443 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:39,459 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 55 transitions, 236 flow [2021-03-25 18:00:39,466 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 55 transitions, 236 flow [2021-03-25 18:00:39,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 55 transitions, 236 flow [2021-03-25 18:00:39,507 INFO L129 PetriNetUnfolder]: 129/211 cut-off events. [2021-03-25 18:00:39,508 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2021-03-25 18:00:39,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 211 events. 129/211 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 621 event pairs, 0 based on Foata normal form. 0/211 useless extension candidates. Maximal degree in co-relation 187. Up to 60 conditions per place. [2021-03-25 18:00:39,514 INFO L142 LiptonReduction]: Number of co-enabled transitions 780 [2021-03-25 18:00:39,649 INFO L154 LiptonReduction]: Checked pairs total: 225 [2021-03-25 18:00:39,649 INFO L156 LiptonReduction]: Total number of compositions: 6 [2021-03-25 18:00:39,652 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 210 [2021-03-25 18:00:39,699 INFO L129 PetriNetUnfolder]: 129/204 cut-off events. [2021-03-25 18:00:39,699 INFO L130 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2021-03-25 18:00:39,699 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:39,700 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:39,700 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:39,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:39,712 INFO L82 PathProgramCache]: Analyzing trace with hash -620648734, now seen corresponding path program 1 times [2021-03-25 18:00:39,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:39,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082993881] [2021-03-25 18:00:39,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:39,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:39,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:39,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:39,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 18:00:39,826 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:39,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:39,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082993881] [2021-03-25 18:00:39,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:39,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 18:00:39,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913995084] [2021-03-25 18:00:39,836 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 18:00:39,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:39,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 18:00:39,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 18:00:39,848 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-03-25 18:00:39,849 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 49 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:39,849 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:39,850 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-03-25 18:00:39,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:39,873 INFO L129 PetriNetUnfolder]: 49/94 cut-off events. [2021-03-25 18:00:39,873 INFO L130 PetriNetUnfolder]: For 177/177 co-relation queries the response was YES. [2021-03-25 18:00:39,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 94 events. 49/94 cut-off events. For 177/177 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 279 event pairs, 0 based on Foata normal form. 31/125 useless extension candidates. Maximal degree in co-relation 166. Up to 30 conditions per place. [2021-03-25 18:00:39,875 INFO L132 encePairwiseOnDemand]: 63/69 looper letters, 1 selfloop transitions, 1 changer transitions 0/39 dead transitions. [2021-03-25 18:00:39,876 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 39 transitions, 178 flow [2021-03-25 18:00:39,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 18:00:39,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 18:00:39,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 193 transitions. [2021-03-25 18:00:39,886 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9323671497584541 [2021-03-25 18:00:39,886 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 193 transitions. [2021-03-25 18:00:39,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 193 transitions. [2021-03-25 18:00:39,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:39,891 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 193 transitions. [2021-03-25 18:00:39,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:39,896 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:39,897 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:39,898 INFO L185 Difference]: Start difference. First operand has 38 places, 49 transitions, 224 flow. Second operand 3 states and 193 transitions. [2021-03-25 18:00:39,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 39 transitions, 178 flow [2021-03-25 18:00:39,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 39 transitions, 114 flow, removed 0 selfloop flow, removed 12 redundant places. [2021-03-25 18:00:39,905 INFO L241 Difference]: Finished difference. Result has 28 places, 39 transitions, 112 flow [2021-03-25 18:00:39,907 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=112, PETRI_PLACES=28, PETRI_TRANSITIONS=39} [2021-03-25 18:00:39,908 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -10 predicate places. [2021-03-25 18:00:39,908 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:39,909 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 28 places, 39 transitions, 112 flow [2021-03-25 18:00:39,909 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 28 places, 39 transitions, 112 flow [2021-03-25 18:00:39,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 39 transitions, 112 flow [2021-03-25 18:00:39,916 INFO L129 PetriNetUnfolder]: 49/94 cut-off events. [2021-03-25 18:00:39,916 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 18:00:39,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 94 events. 49/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 233 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 88. Up to 30 conditions per place. [2021-03-25 18:00:39,917 INFO L142 LiptonReduction]: Number of co-enabled transitions 270 [2021-03-25 18:00:39,920 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:39,920 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:39,920 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-03-25 18:00:39,922 INFO L480 AbstractCegarLoop]: Abstraction has has 28 places, 39 transitions, 112 flow [2021-03-25 18:00:39,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:39,922 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:39,922 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:39,922 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 18:00:39,923 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:39,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:39,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1690452846, now seen corresponding path program 1 times [2021-03-25 18:00:39,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:39,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546261436] [2021-03-25 18:00:39,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:39,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:39,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:39,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:39,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 18:00:39,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:39,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:39,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546261436] [2021-03-25 18:00:39,946 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:39,946 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 18:00:39,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998582988] [2021-03-25 18:00:39,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 18:00:39,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:39,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 18:00:39,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 18:00:39,949 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-03-25 18:00:39,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 39 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:39,950 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:39,950 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-03-25 18:00:39,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:39,961 INFO L129 PetriNetUnfolder]: 33/73 cut-off events. [2021-03-25 18:00:39,962 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-25 18:00:39,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 95 conditions, 73 events. 33/73 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 189 event pairs, 0 based on Foata normal form. 5/78 useless extension candidates. Maximal degree in co-relation 78. Up to 20 conditions per place. [2021-03-25 18:00:39,963 INFO L132 encePairwiseOnDemand]: 66/69 looper letters, 3 selfloop transitions, 1 changer transitions 0/37 dead transitions. [2021-03-25 18:00:39,963 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 37 transitions, 114 flow [2021-03-25 18:00:39,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 18:00:39,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 18:00:39,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2021-03-25 18:00:39,965 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2021-03-25 18:00:39,965 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2021-03-25 18:00:39,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2021-03-25 18:00:39,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:39,966 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2021-03-25 18:00:39,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:39,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:39,969 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:39,969 INFO L185 Difference]: Start difference. First operand has 28 places, 39 transitions, 112 flow. Second operand 3 states and 192 transitions. [2021-03-25 18:00:39,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 37 transitions, 114 flow [2021-03-25 18:00:39,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 37 transitions, 113 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 18:00:39,970 INFO L241 Difference]: Finished difference. Result has 29 places, 37 transitions, 107 flow [2021-03-25 18:00:39,971 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=29, PETRI_TRANSITIONS=37} [2021-03-25 18:00:39,971 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -9 predicate places. [2021-03-25 18:00:39,971 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:39,972 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 37 transitions, 107 flow [2021-03-25 18:00:39,972 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 37 transitions, 107 flow [2021-03-25 18:00:39,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 37 transitions, 107 flow [2021-03-25 18:00:39,977 INFO L129 PetriNetUnfolder]: 33/73 cut-off events. [2021-03-25 18:00:39,977 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 18:00:39,978 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 73 events. 33/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 180 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 74. Up to 20 conditions per place. [2021-03-25 18:00:39,978 INFO L142 LiptonReduction]: Number of co-enabled transitions 250 [2021-03-25 18:00:39,981 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:39,981 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:39,981 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 18:00:39,982 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 37 transitions, 107 flow [2021-03-25 18:00:39,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:39,983 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:39,983 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:39,983 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 18:00:39,983 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:39,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:39,984 INFO L82 PathProgramCache]: Analyzing trace with hash 352539060, now seen corresponding path program 1 times [2021-03-25 18:00:39,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:39,984 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931695072] [2021-03-25 18:00:39,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:39,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:39,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:39,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:39,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 18:00:40,002 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:40,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:40,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:40,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931695072] [2021-03-25 18:00:40,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:40,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 18:00:40,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201943072] [2021-03-25 18:00:40,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 18:00:40,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:40,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 18:00:40,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 18:00:40,006 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-03-25 18:00:40,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 37 transitions, 107 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:40,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-03-25 18:00:40,007 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:40,021 INFO L129 PetriNetUnfolder]: 12/42 cut-off events. [2021-03-25 18:00:40,021 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-25 18:00:40,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 42 events. 12/42 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 70 event pairs, 0 based on Foata normal form. 7/49 useless extension candidates. Maximal degree in co-relation 49. Up to 8 conditions per place. [2021-03-25 18:00:40,022 INFO L132 encePairwiseOnDemand]: 65/69 looper letters, 2 selfloop transitions, 1 changer transitions 0/34 dead transitions. [2021-03-25 18:00:40,022 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 34 transitions, 104 flow [2021-03-25 18:00:40,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 18:00:40,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 18:00:40,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2021-03-25 18:00:40,026 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2021-03-25 18:00:40,026 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2021-03-25 18:00:40,026 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2021-03-25 18:00:40,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:40,027 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2021-03-25 18:00:40,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,030 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,030 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,030 INFO L185 Difference]: Start difference. First operand has 29 places, 37 transitions, 107 flow. Second operand 3 states and 192 transitions. [2021-03-25 18:00:40,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 34 transitions, 104 flow [2021-03-25 18:00:40,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 34 transitions, 103 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 18:00:40,032 INFO L241 Difference]: Finished difference. Result has 30 places, 34 transitions, 99 flow [2021-03-25 18:00:40,032 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=30, PETRI_TRANSITIONS=34} [2021-03-25 18:00:40,032 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -8 predicate places. [2021-03-25 18:00:40,032 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:40,032 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 34 transitions, 99 flow [2021-03-25 18:00:40,034 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 34 transitions, 99 flow [2021-03-25 18:00:40,034 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 30 places, 34 transitions, 99 flow [2021-03-25 18:00:40,037 INFO L129 PetriNetUnfolder]: 12/42 cut-off events. [2021-03-25 18:00:40,037 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 18:00:40,038 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 42 events. 12/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 73 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 44. Up to 8 conditions per place. [2021-03-25 18:00:40,038 INFO L142 LiptonReduction]: Number of co-enabled transitions 184 [2021-03-25 18:00:40,041 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:40,042 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:40,042 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 18:00:40,046 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 34 transitions, 99 flow [2021-03-25 18:00:40,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,047 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:40,047 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:40,047 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 18:00:40,047 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:40,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:40,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1582961168, now seen corresponding path program 1 times [2021-03-25 18:00:40,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:40,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638517936] [2021-03-25 18:00:40,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:40,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:40,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:40,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:40,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 18:00:40,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:40,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:40,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:40,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638517936] [2021-03-25 18:00:40,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:40,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 18:00:40,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473686877] [2021-03-25 18:00:40,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 18:00:40,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:40,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 18:00:40,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 18:00:40,095 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 69 [2021-03-25 18:00:40,095 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 34 transitions, 99 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,095 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:40,095 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 69 [2021-03-25 18:00:40,095 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:40,103 INFO L129 PetriNetUnfolder]: 1/21 cut-off events. [2021-03-25 18:00:40,103 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-03-25 18:00:40,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 21 events. 1/21 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 5/26 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2021-03-25 18:00:40,104 INFO L132 encePairwiseOnDemand]: 64/69 looper letters, 1 selfloop transitions, 1 changer transitions 0/21 dead transitions. [2021-03-25 18:00:40,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 21 transitions, 64 flow [2021-03-25 18:00:40,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 18:00:40,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 18:00:40,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 192 transitions. [2021-03-25 18:00:40,105 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2021-03-25 18:00:40,105 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 192 transitions. [2021-03-25 18:00:40,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 192 transitions. [2021-03-25 18:00:40,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:40,106 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 192 transitions. [2021-03-25 18:00:40,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,107 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,107 INFO L185 Difference]: Start difference. First operand has 30 places, 34 transitions, 99 flow. Second operand 3 states and 192 transitions. [2021-03-25 18:00:40,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 21 transitions, 64 flow [2021-03-25 18:00:40,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 21 transitions, 63 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 18:00:40,108 INFO L241 Difference]: Finished difference. Result has 31 places, 21 transitions, 61 flow [2021-03-25 18:00:40,108 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=59, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=61, PETRI_PLACES=31, PETRI_TRANSITIONS=21} [2021-03-25 18:00:40,109 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, -7 predicate places. [2021-03-25 18:00:40,109 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:40,109 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 31 places, 21 transitions, 61 flow [2021-03-25 18:00:40,109 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 31 places, 21 transitions, 61 flow [2021-03-25 18:00:40,110 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 31 places, 21 transitions, 61 flow [2021-03-25 18:00:40,112 INFO L129 PetriNetUnfolder]: 1/21 cut-off events. [2021-03-25 18:00:40,112 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 18:00:40,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 21 events. 1/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 17 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2021-03-25 18:00:40,112 INFO L142 LiptonReduction]: Number of co-enabled transitions 108 [2021-03-25 18:00:40,113 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:40,114 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:40,114 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5 [2021-03-25 18:00:40,115 INFO L480 AbstractCegarLoop]: Abstraction has has 31 places, 21 transitions, 61 flow [2021-03-25 18:00:40,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,115 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:40,115 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:40,115 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 18:00:40,115 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:40,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:40,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1170099768, now seen corresponding path program 1 times [2021-03-25 18:00:40,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:40,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766910542] [2021-03-25 18:00:40,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:40,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:40,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:40,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:40,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:40,182 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:00:40,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:00:40,195 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:00:40,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:00:40,214 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:00:40,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:00:40,238 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:00:40,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:00:40,268 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:40,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:40,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766910542] [2021-03-25 18:00:40,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:40,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:40,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35685251] [2021-03-25 18:00:40,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:40,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:40,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:40,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:40,295 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:40,296 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 21 transitions, 61 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,296 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:40,296 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:40,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:40,417 INFO L129 PetriNetUnfolder]: 159/327 cut-off events. [2021-03-25 18:00:40,417 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 18:00:40,420 INFO L84 FinitePrefix]: Finished finitePrefix Result has 586 conditions, 327 events. 159/327 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1516 event pairs, 49 based on Foata normal form. 1/297 useless extension candidates. Maximal degree in co-relation 576. Up to 97 conditions per place. [2021-03-25 18:00:40,421 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 20 selfloop transitions, 6 changer transitions 0/40 dead transitions. [2021-03-25 18:00:40,421 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 40 transitions, 151 flow [2021-03-25 18:00:40,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:40,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:40,424 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:40,424 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:40,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:40,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:40,424 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:40,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,427 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,427 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,427 INFO L185 Difference]: Start difference. First operand has 31 places, 21 transitions, 61 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:40,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 40 transitions, 151 flow [2021-03-25 18:00:40,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 40 transitions, 150 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 18:00:40,430 INFO L241 Difference]: Finished difference. Result has 43 places, 26 transitions, 105 flow [2021-03-25 18:00:40,430 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=105, PETRI_PLACES=43, PETRI_TRANSITIONS=26} [2021-03-25 18:00:40,430 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 5 predicate places. [2021-03-25 18:00:40,430 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:40,430 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 26 transitions, 105 flow [2021-03-25 18:00:40,431 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 26 transitions, 105 flow [2021-03-25 18:00:40,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 26 transitions, 105 flow [2021-03-25 18:00:40,440 INFO L129 PetriNetUnfolder]: 4/63 cut-off events. [2021-03-25 18:00:40,440 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-03-25 18:00:40,440 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 63 events. 4/63 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 217 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 96. Up to 8 conditions per place. [2021-03-25 18:00:40,441 INFO L142 LiptonReduction]: Number of co-enabled transitions 152 [2021-03-25 18:00:40,442 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:40,443 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:40,443 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-25 18:00:40,446 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 26 transitions, 105 flow [2021-03-25 18:00:40,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,446 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:40,447 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:40,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 18:00:40,447 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:40,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:40,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1771331794, now seen corresponding path program 2 times [2021-03-25 18:00:40,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:40,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350247942] [2021-03-25 18:00:40,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:40,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:40,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:40,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:40,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:40,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:40,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:00:40,573 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:00:40,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:00:40,597 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:00:40,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:00:40,624 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:00:40,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:00:40,649 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:40,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:40,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:40,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350247942] [2021-03-25 18:00:40,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:40,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:40,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872622392] [2021-03-25 18:00:40,672 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:40,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:40,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:40,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:40,673 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:40,674 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 26 transitions, 105 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,674 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:40,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:40,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:40,831 INFO L129 PetriNetUnfolder]: 203/536 cut-off events. [2021-03-25 18:00:40,832 INFO L130 PetriNetUnfolder]: For 411/424 co-relation queries the response was YES. [2021-03-25 18:00:40,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1230 conditions, 536 events. 203/536 cut-off events. For 411/424 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3438 event pairs, 49 based on Foata normal form. 1/507 useless extension candidates. Maximal degree in co-relation 1214. Up to 131 conditions per place. [2021-03-25 18:00:40,838 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 23 selfloop transitions, 9 changer transitions 0/46 dead transitions. [2021-03-25 18:00:40,839 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 46 transitions, 256 flow [2021-03-25 18:00:40,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:40,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:40,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:40,841 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:40,842 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:40,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:40,842 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:40,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:40,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,848 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,848 INFO L185 Difference]: Start difference. First operand has 43 places, 26 transitions, 105 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:40,848 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 46 transitions, 256 flow [2021-03-25 18:00:40,850 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 46 transitions, 250 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 18:00:40,852 INFO L241 Difference]: Finished difference. Result has 55 places, 32 transitions, 178 flow [2021-03-25 18:00:40,852 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=178, PETRI_PLACES=55, PETRI_TRANSITIONS=32} [2021-03-25 18:00:40,852 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 17 predicate places. [2021-03-25 18:00:40,853 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:40,853 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 32 transitions, 178 flow [2021-03-25 18:00:40,853 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 32 transitions, 178 flow [2021-03-25 18:00:40,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 32 transitions, 178 flow [2021-03-25 18:00:40,887 INFO L129 PetriNetUnfolder]: 10/146 cut-off events. [2021-03-25 18:00:40,887 INFO L130 PetriNetUnfolder]: For 104/104 co-relation queries the response was YES. [2021-03-25 18:00:40,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 296 conditions, 146 events. 10/146 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 892 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 275. Up to 20 conditions per place. [2021-03-25 18:00:40,889 INFO L142 LiptonReduction]: Number of co-enabled transitions 208 [2021-03-25 18:00:40,894 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:40,894 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:40,894 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-03-25 18:00:40,895 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 32 transitions, 178 flow [2021-03-25 18:00:40,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:40,895 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:40,896 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:40,896 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 18:00:40,896 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:40,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:40,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1945596050, now seen corresponding path program 3 times [2021-03-25 18:00:40,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:40,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458428407] [2021-03-25 18:00:40,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:40,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:40,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:40,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:40,949 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:40,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:40,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:00:40,976 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:00:40,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:00:40,994 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:00:40,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:00:41,024 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:00:41,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:00:41,058 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:41,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:41,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458428407] [2021-03-25 18:00:41,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:41,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:41,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623058643] [2021-03-25 18:00:41,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:41,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:41,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:41,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:41,085 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:41,085 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 32 transitions, 178 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:41,085 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:41,085 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:41,086 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:41,247 INFO L129 PetriNetUnfolder]: 225/740 cut-off events. [2021-03-25 18:00:41,248 INFO L130 PetriNetUnfolder]: For 1512/1550 co-relation queries the response was YES. [2021-03-25 18:00:41,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2112 conditions, 740 events. 225/740 cut-off events. For 1512/1550 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 5956 event pairs, 52 based on Foata normal form. 1/702 useless extension candidates. Maximal degree in co-relation 2090. Up to 179 conditions per place. [2021-03-25 18:00:41,254 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 38 selfloop transitions, 15 changer transitions 0/67 dead transitions. [2021-03-25 18:00:41,254 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 67 transitions, 536 flow [2021-03-25 18:00:41,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:41,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:41,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:41,257 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:41,257 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:41,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:41,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:41,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:41,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:41,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:41,260 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:41,260 INFO L185 Difference]: Start difference. First operand has 55 places, 32 transitions, 178 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:41,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 67 transitions, 536 flow [2021-03-25 18:00:41,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 67 transitions, 518 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-25 18:00:41,269 INFO L241 Difference]: Finished difference. Result has 67 places, 44 transitions, 343 flow [2021-03-25 18:00:41,269 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=343, PETRI_PLACES=67, PETRI_TRANSITIONS=44} [2021-03-25 18:00:41,269 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 29 predicate places. [2021-03-25 18:00:41,270 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:41,270 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 44 transitions, 343 flow [2021-03-25 18:00:41,270 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 44 transitions, 343 flow [2021-03-25 18:00:41,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 44 transitions, 343 flow [2021-03-25 18:00:41,300 INFO L129 PetriNetUnfolder]: 23/312 cut-off events. [2021-03-25 18:00:41,301 INFO L130 PetriNetUnfolder]: For 492/506 co-relation queries the response was YES. [2021-03-25 18:00:41,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 312 events. 23/312 cut-off events. For 492/506 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2606 event pairs, 0 based on Foata normal form. 0/282 useless extension candidates. Maximal degree in co-relation 699. Up to 46 conditions per place. [2021-03-25 18:00:41,306 INFO L142 LiptonReduction]: Number of co-enabled transitions 308 [2021-03-25 18:00:41,309 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:41,314 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:41,314 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 45 [2021-03-25 18:00:41,317 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 44 transitions, 343 flow [2021-03-25 18:00:41,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:41,317 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:41,317 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:41,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 18:00:41,318 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:41,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:41,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1450839060, now seen corresponding path program 4 times [2021-03-25 18:00:41,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:41,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594217561] [2021-03-25 18:00:41,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:41,371 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:41,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:41,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:41,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:41,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:41,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:00:41,389 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:00:41,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:00:41,405 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:00:41,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:00:41,428 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:00:41,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:00:41,463 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:41,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:41,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:41,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594217561] [2021-03-25 18:00:41,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:41,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:41,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40066188] [2021-03-25 18:00:41,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:41,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:41,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:41,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:41,492 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:41,493 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 44 transitions, 343 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:41,493 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:41,493 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:41,493 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:41,729 INFO L129 PetriNetUnfolder]: 273/1086 cut-off events. [2021-03-25 18:00:41,729 INFO L130 PetriNetUnfolder]: For 3716/3756 co-relation queries the response was YES. [2021-03-25 18:00:41,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3421 conditions, 1086 events. 273/1086 cut-off events. For 3716/3756 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 10360 event pairs, 58 based on Foata normal form. 1/1036 useless extension candidates. Maximal degree in co-relation 3393. Up to 249 conditions per place. [2021-03-25 18:00:41,740 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 48 selfloop transitions, 23 changer transitions 0/85 dead transitions. [2021-03-25 18:00:41,740 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 85 transitions, 890 flow [2021-03-25 18:00:41,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:41,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:41,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:41,742 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:41,742 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:41,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:41,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:41,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:41,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:41,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:41,744 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:41,744 INFO L185 Difference]: Start difference. First operand has 67 places, 44 transitions, 343 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:41,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 85 transitions, 890 flow [2021-03-25 18:00:41,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 85 transitions, 878 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 18:00:41,754 INFO L241 Difference]: Finished difference. Result has 79 places, 62 transitions, 649 flow [2021-03-25 18:00:41,754 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=649, PETRI_PLACES=79, PETRI_TRANSITIONS=62} [2021-03-25 18:00:41,755 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 41 predicate places. [2021-03-25 18:00:41,755 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:41,755 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 62 transitions, 649 flow [2021-03-25 18:00:41,755 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 62 transitions, 649 flow [2021-03-25 18:00:41,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 62 transitions, 649 flow [2021-03-25 18:00:41,807 INFO L129 PetriNetUnfolder]: 39/520 cut-off events. [2021-03-25 18:00:41,807 INFO L130 PetriNetUnfolder]: For 1565/1595 co-relation queries the response was YES. [2021-03-25 18:00:41,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1415 conditions, 520 events. 39/520 cut-off events. For 1565/1595 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5151 event pairs, 0 based on Foata normal form. 0/478 useless extension candidates. Maximal degree in co-relation 1382. Up to 78 conditions per place. [2021-03-25 18:00:41,814 INFO L142 LiptonReduction]: Number of co-enabled transitions 434 [2021-03-25 18:00:41,820 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:41,821 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:41,821 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66 [2021-03-25 18:00:41,821 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 62 transitions, 649 flow [2021-03-25 18:00:41,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:41,822 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:41,822 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:41,823 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 18:00:41,823 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:41,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:41,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1462267974, now seen corresponding path program 5 times [2021-03-25 18:00:41,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:41,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845554619] [2021-03-25 18:00:41,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:41,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:41,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:41,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:41,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:41,870 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:00:41,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:00:41,883 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:00:41,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:00:41,905 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:00:41,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:00:41,940 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:00:41,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:00:41,965 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:41,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:41,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:41,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845554619] [2021-03-25 18:00:41,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:41,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:41,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865765140] [2021-03-25 18:00:41,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:41,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:41,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:41,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:41,999 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:41,999 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 62 transitions, 649 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:41,999 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:41,999 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:42,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:42,232 INFO L129 PetriNetUnfolder]: 303/1228 cut-off events. [2021-03-25 18:00:42,233 INFO L130 PetriNetUnfolder]: For 6322/6386 co-relation queries the response was YES. [2021-03-25 18:00:42,240 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4403 conditions, 1228 events. 303/1228 cut-off events. For 6322/6386 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 12113 event pairs, 63 based on Foata normal form. 1/1172 useless extension candidates. Maximal degree in co-relation 4369. Up to 280 conditions per place. [2021-03-25 18:00:42,246 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 43 selfloop transitions, 33 changer transitions 0/90 dead transitions. [2021-03-25 18:00:42,246 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 90 transitions, 1114 flow [2021-03-25 18:00:42,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:42,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:42,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:42,249 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:42,249 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:42,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:42,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:42,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:42,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:42,254 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:42,254 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:42,254 INFO L185 Difference]: Start difference. First operand has 79 places, 62 transitions, 649 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:42,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 90 transitions, 1114 flow [2021-03-25 18:00:42,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 90 transitions, 1092 flow, removed 6 selfloop flow, removed 1 redundant places. [2021-03-25 18:00:42,276 INFO L241 Difference]: Finished difference. Result has 91 places, 75 transitions, 932 flow [2021-03-25 18:00:42,276 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=632, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=932, PETRI_PLACES=91, PETRI_TRANSITIONS=75} [2021-03-25 18:00:42,277 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 53 predicate places. [2021-03-25 18:00:42,277 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:42,277 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 75 transitions, 932 flow [2021-03-25 18:00:42,277 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 75 transitions, 932 flow [2021-03-25 18:00:42,278 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 91 places, 75 transitions, 932 flow [2021-03-25 18:00:42,334 INFO L129 PetriNetUnfolder]: 40/583 cut-off events. [2021-03-25 18:00:42,334 INFO L130 PetriNetUnfolder]: For 2681/2815 co-relation queries the response was YES. [2021-03-25 18:00:42,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1825 conditions, 583 events. 40/583 cut-off events. For 2681/2815 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 5946 event pairs, 0 based on Foata normal form. 0/531 useless extension candidates. Maximal degree in co-relation 1786. Up to 80 conditions per place. [2021-03-25 18:00:42,342 INFO L142 LiptonReduction]: Number of co-enabled transitions 544 [2021-03-25 18:00:42,351 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:42,351 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:42,351 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 74 [2021-03-25 18:00:42,352 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 75 transitions, 932 flow [2021-03-25 18:00:42,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:42,352 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:42,352 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:42,353 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 18:00:42,353 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:42,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:42,353 INFO L82 PathProgramCache]: Analyzing trace with hash 135383418, now seen corresponding path program 6 times [2021-03-25 18:00:42,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:42,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966756836] [2021-03-25 18:00:42,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:42,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:42,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:42,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:42,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:42,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:42,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:00:42,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:42,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:00:42,415 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:00:42,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:00:42,449 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:00:42,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:00:42,481 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:42,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:42,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:42,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966756836] [2021-03-25 18:00:42,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:42,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:42,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065453050] [2021-03-25 18:00:42,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:42,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:42,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:42,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:42,509 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:42,509 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 75 transitions, 932 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:42,509 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:42,510 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:42,510 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:42,785 INFO L129 PetriNetUnfolder]: 280/1316 cut-off events. [2021-03-25 18:00:42,785 INFO L130 PetriNetUnfolder]: For 10146/10202 co-relation queries the response was YES. [2021-03-25 18:00:42,795 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5429 conditions, 1316 events. 280/1316 cut-off events. For 10146/10202 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 13775 event pairs, 85 based on Foata normal form. 2/1261 useless extension candidates. Maximal degree in co-relation 5389. Up to 273 conditions per place. [2021-03-25 18:00:42,802 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 57 selfloop transitions, 35 changer transitions 1/107 dead transitions. [2021-03-25 18:00:42,802 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 107 transitions, 1541 flow [2021-03-25 18:00:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:42,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:42,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:42,804 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:42,804 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:42,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:42,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:42,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:42,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:42,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:42,808 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:42,808 INFO L185 Difference]: Start difference. First operand has 91 places, 75 transitions, 932 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:42,808 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 107 transitions, 1541 flow [2021-03-25 18:00:42,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 107 transitions, 1452 flow, removed 30 selfloop flow, removed 1 redundant places. [2021-03-25 18:00:42,833 INFO L241 Difference]: Finished difference. Result has 103 places, 83 transitions, 1102 flow [2021-03-25 18:00:42,834 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=874, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1102, PETRI_PLACES=103, PETRI_TRANSITIONS=83} [2021-03-25 18:00:42,834 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 65 predicate places. [2021-03-25 18:00:42,834 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:42,834 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 83 transitions, 1102 flow [2021-03-25 18:00:42,834 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 83 transitions, 1102 flow [2021-03-25 18:00:42,835 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 83 transitions, 1102 flow [2021-03-25 18:00:42,909 INFO L129 PetriNetUnfolder]: 43/735 cut-off events. [2021-03-25 18:00:42,909 INFO L130 PetriNetUnfolder]: For 4479/4725 co-relation queries the response was YES. [2021-03-25 18:00:42,913 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2561 conditions, 735 events. 43/735 cut-off events. For 4479/4725 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 8118 event pairs, 0 based on Foata normal form. 0/676 useless extension candidates. Maximal degree in co-relation 2516. Up to 86 conditions per place. [2021-03-25 18:00:42,920 INFO L142 LiptonReduction]: Number of co-enabled transitions 634 [2021-03-25 18:00:42,930 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:42,930 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:42,930 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 96 [2021-03-25 18:00:42,932 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 83 transitions, 1102 flow [2021-03-25 18:00:42,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:42,933 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:42,933 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:42,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 18:00:42,933 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:42,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:42,933 INFO L82 PathProgramCache]: Analyzing trace with hash -109852654, now seen corresponding path program 7 times [2021-03-25 18:00:42,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:42,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604171441] [2021-03-25 18:00:42,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:42,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:42,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:42,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:42,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:42,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:42,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:00:42,982 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:00:42,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:00:42,998 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:00:42,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:00:43,018 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:00:43,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:00:43,043 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:43,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:43,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:43,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604171441] [2021-03-25 18:00:43,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:43,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:43,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233583646] [2021-03-25 18:00:43,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:43,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:43,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:43,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:43,068 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:43,068 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 83 transitions, 1102 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:43,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:43,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:43,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:43,312 INFO L129 PetriNetUnfolder]: 271/1471 cut-off events. [2021-03-25 18:00:43,312 INFO L130 PetriNetUnfolder]: For 14290/14409 co-relation queries the response was YES. [2021-03-25 18:00:43,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6519 conditions, 1471 events. 271/1471 cut-off events. For 14290/14409 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 16409 event pairs, 99 based on Foata normal form. 4/1397 useless extension candidates. Maximal degree in co-relation 6473. Up to 286 conditions per place. [2021-03-25 18:00:43,360 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 71 selfloop transitions, 41 changer transitions 0/126 dead transitions. [2021-03-25 18:00:43,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 126 transitions, 1942 flow [2021-03-25 18:00:43,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:43,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:43,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:43,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:43,365 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:43,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:43,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:43,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:43,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:43,368 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:43,368 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:43,368 INFO L185 Difference]: Start difference. First operand has 102 places, 83 transitions, 1102 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:43,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 126 transitions, 1942 flow [2021-03-25 18:00:43,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 126 transitions, 1876 flow, removed 23 selfloop flow, removed 2 redundant places. [2021-03-25 18:00:43,404 INFO L241 Difference]: Finished difference. Result has 113 places, 98 transitions, 1454 flow [2021-03-25 18:00:43,404 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=1058, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1454, PETRI_PLACES=113, PETRI_TRANSITIONS=98} [2021-03-25 18:00:43,404 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 75 predicate places. [2021-03-25 18:00:43,404 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:43,405 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 98 transitions, 1454 flow [2021-03-25 18:00:43,405 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 98 transitions, 1454 flow [2021-03-25 18:00:43,406 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 113 places, 98 transitions, 1454 flow [2021-03-25 18:00:43,523 INFO L129 PetriNetUnfolder]: 61/947 cut-off events. [2021-03-25 18:00:43,523 INFO L130 PetriNetUnfolder]: For 7103/7331 co-relation queries the response was YES. [2021-03-25 18:00:43,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3414 conditions, 947 events. 61/947 cut-off events. For 7103/7331 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 11118 event pairs, 0 based on Foata normal form. 0/876 useless extension candidates. Maximal degree in co-relation 3364. Up to 122 conditions per place. [2021-03-25 18:00:43,540 INFO L142 LiptonReduction]: Number of co-enabled transitions 744 [2021-03-25 18:00:43,554 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:43,554 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:43,554 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 150 [2021-03-25 18:00:43,555 INFO L480 AbstractCegarLoop]: Abstraction has has 113 places, 98 transitions, 1454 flow [2021-03-25 18:00:43,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:43,555 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:43,555 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:43,555 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 18:00:43,555 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:43,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:43,556 INFO L82 PathProgramCache]: Analyzing trace with hash 432502018, now seen corresponding path program 8 times [2021-03-25 18:00:43,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:43,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136975964] [2021-03-25 18:00:43,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:43,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:43,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:43,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:43,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:43,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:43,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:00:43,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:43,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:00:43,631 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:00:43,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:00:43,650 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:00:43,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:00:43,675 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:43,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:43,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:43,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136975964] [2021-03-25 18:00:43,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:43,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:43,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539698439] [2021-03-25 18:00:43,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:43,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:43,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:43,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:43,701 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:43,701 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 98 transitions, 1454 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:43,701 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:43,701 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:43,701 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:43,992 INFO L129 PetriNetUnfolder]: 267/1513 cut-off events. [2021-03-25 18:00:43,993 INFO L130 PetriNetUnfolder]: For 17718/17856 co-relation queries the response was YES. [2021-03-25 18:00:44,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7183 conditions, 1513 events. 267/1513 cut-off events. For 17718/17856 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 17045 event pairs, 98 based on Foata normal form. 8/1446 useless extension candidates. Maximal degree in co-relation 7132. Up to 283 conditions per place. [2021-03-25 18:00:44,013 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 77 selfloop transitions, 47 changer transitions 0/138 dead transitions. [2021-03-25 18:00:44,013 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 138 transitions, 2346 flow [2021-03-25 18:00:44,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:44,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:44,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:44,015 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:44,015 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:44,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:44,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:44,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:44,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:44,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:44,018 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:44,018 INFO L185 Difference]: Start difference. First operand has 113 places, 98 transitions, 1454 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:44,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 138 transitions, 2346 flow [2021-03-25 18:00:44,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 138 transitions, 2264 flow, removed 31 selfloop flow, removed 1 redundant places. [2021-03-25 18:00:44,068 INFO L241 Difference]: Finished difference. Result has 125 places, 111 transitions, 1792 flow [2021-03-25 18:00:44,069 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=1384, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1792, PETRI_PLACES=125, PETRI_TRANSITIONS=111} [2021-03-25 18:00:44,069 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 87 predicate places. [2021-03-25 18:00:44,069 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:44,069 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 111 transitions, 1792 flow [2021-03-25 18:00:44,069 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 111 transitions, 1792 flow [2021-03-25 18:00:44,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 111 transitions, 1792 flow [2021-03-25 18:00:44,192 INFO L129 PetriNetUnfolder]: 67/1017 cut-off events. [2021-03-25 18:00:44,193 INFO L130 PetriNetUnfolder]: For 10343/10715 co-relation queries the response was YES. [2021-03-25 18:00:44,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4015 conditions, 1017 events. 67/1017 cut-off events. For 10343/10715 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 12167 event pairs, 0 based on Foata normal form. 1/957 useless extension candidates. Maximal degree in co-relation 3959. Up to 134 conditions per place. [2021-03-25 18:00:44,249 INFO L142 LiptonReduction]: Number of co-enabled transitions 846 [2021-03-25 18:00:44,265 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:44,265 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:44,265 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 196 [2021-03-25 18:00:44,267 INFO L480 AbstractCegarLoop]: Abstraction has has 125 places, 111 transitions, 1792 flow [2021-03-25 18:00:44,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:44,267 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:44,268 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:44,268 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 18:00:44,268 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:44,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:44,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1732370938, now seen corresponding path program 9 times [2021-03-25 18:00:44,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:44,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273257128] [2021-03-25 18:00:44,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:44,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:44,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:44,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:44,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:44,303 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:00:44,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:00:44,313 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:00:44,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:00:44,330 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:00:44,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:00:44,350 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:00:44,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:00:44,377 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:44,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:44,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:44,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273257128] [2021-03-25 18:00:44,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:44,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:44,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985907550] [2021-03-25 18:00:44,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:44,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:44,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:44,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:44,403 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:44,403 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 111 transitions, 1792 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:44,403 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:44,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:44,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:44,711 INFO L129 PetriNetUnfolder]: 282/1594 cut-off events. [2021-03-25 18:00:44,711 INFO L130 PetriNetUnfolder]: For 22109/22303 co-relation queries the response was YES. [2021-03-25 18:00:44,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7970 conditions, 1594 events. 282/1594 cut-off events. For 22109/22303 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 18223 event pairs, 78 based on Foata normal form. 16/1544 useless extension candidates. Maximal degree in co-relation 7913. Up to 294 conditions per place. [2021-03-25 18:00:44,736 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 69 selfloop transitions, 61 changer transitions 1/145 dead transitions. [2021-03-25 18:00:44,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 145 transitions, 2670 flow [2021-03-25 18:00:44,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:44,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:44,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:44,738 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:44,738 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:44,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:44,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:44,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:44,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:44,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:44,740 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:44,741 INFO L185 Difference]: Start difference. First operand has 125 places, 111 transitions, 1792 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:44,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 145 transitions, 2670 flow [2021-03-25 18:00:44,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 145 transitions, 2558 flow, removed 46 selfloop flow, removed 1 redundant places. [2021-03-25 18:00:44,806 INFO L241 Difference]: Finished difference. Result has 137 places, 121 transitions, 2142 flow [2021-03-25 18:00:44,807 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=1712, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2142, PETRI_PLACES=137, PETRI_TRANSITIONS=121} [2021-03-25 18:00:44,807 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 99 predicate places. [2021-03-25 18:00:44,807 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:44,807 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 121 transitions, 2142 flow [2021-03-25 18:00:44,808 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 121 transitions, 2142 flow [2021-03-25 18:00:44,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 137 places, 121 transitions, 2142 flow [2021-03-25 18:00:44,941 INFO L129 PetriNetUnfolder]: 67/1029 cut-off events. [2021-03-25 18:00:44,941 INFO L130 PetriNetUnfolder]: For 13049/13674 co-relation queries the response was YES. [2021-03-25 18:00:44,950 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4393 conditions, 1029 events. 67/1029 cut-off events. For 13049/13674 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 12342 event pairs, 0 based on Foata normal form. 0/966 useless extension candidates. Maximal degree in co-relation 4331. Up to 134 conditions per place. [2021-03-25 18:00:44,962 INFO L142 LiptonReduction]: Number of co-enabled transitions 962 [2021-03-25 18:00:44,984 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:44,984 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:44,984 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 177 [2021-03-25 18:00:44,985 INFO L480 AbstractCegarLoop]: Abstraction has has 137 places, 121 transitions, 2142 flow [2021-03-25 18:00:44,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:44,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:44,985 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:44,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 18:00:44,985 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:44,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:44,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1473148824, now seen corresponding path program 10 times [2021-03-25 18:00:44,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:44,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538733555] [2021-03-25 18:00:44,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:45,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:45,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:45,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:45,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:45,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:45,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:00:45,026 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:00:45,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:00:45,041 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:00:45,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:00:45,065 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:00:45,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:00:45,089 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:45,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:45,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538733555] [2021-03-25 18:00:45,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:45,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:45,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766265130] [2021-03-25 18:00:45,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:45,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:45,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:45,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:45,114 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:45,114 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 121 transitions, 2142 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:45,114 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:45,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:45,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:45,470 INFO L129 PetriNetUnfolder]: 279/1628 cut-off events. [2021-03-25 18:00:45,471 INFO L130 PetriNetUnfolder]: For 27703/27951 co-relation queries the response was YES. [2021-03-25 18:00:45,487 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8817 conditions, 1628 events. 279/1628 cut-off events. For 27703/27951 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 18854 event pairs, 77 based on Foata normal form. 19/1572 useless extension candidates. Maximal degree in co-relation 8754. Up to 283 conditions per place. [2021-03-25 18:00:45,500 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 82 selfloop transitions, 56 changer transitions 0/152 dead transitions. [2021-03-25 18:00:45,500 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 152 transitions, 3042 flow [2021-03-25 18:00:45,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:45,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:45,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:45,502 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:45,502 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:45,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:45,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:45,503 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:45,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:45,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:45,506 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:45,506 INFO L185 Difference]: Start difference. First operand has 137 places, 121 transitions, 2142 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:45,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 152 transitions, 3042 flow [2021-03-25 18:00:45,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 152 transitions, 2942 flow, removed 40 selfloop flow, removed 1 redundant places. [2021-03-25 18:00:45,602 INFO L241 Difference]: Finished difference. Result has 148 places, 137 transitions, 2606 flow [2021-03-25 18:00:45,602 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2060, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2606, PETRI_PLACES=148, PETRI_TRANSITIONS=137} [2021-03-25 18:00:45,602 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 110 predicate places. [2021-03-25 18:00:45,602 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:45,602 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 137 transitions, 2606 flow [2021-03-25 18:00:45,603 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 137 transitions, 2606 flow [2021-03-25 18:00:45,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 137 transitions, 2606 flow [2021-03-25 18:00:45,746 INFO L129 PetriNetUnfolder]: 70/1079 cut-off events. [2021-03-25 18:00:45,746 INFO L130 PetriNetUnfolder]: For 16203/16787 co-relation queries the response was YES. [2021-03-25 18:00:45,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4880 conditions, 1079 events. 70/1079 cut-off events. For 16203/16787 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 13103 event pairs, 0 based on Foata normal form. 3/1014 useless extension candidates. Maximal degree in co-relation 4813. Up to 140 conditions per place. [2021-03-25 18:00:45,770 INFO L142 LiptonReduction]: Number of co-enabled transitions 1066 [2021-03-25 18:00:45,780 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:45,780 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:45,780 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 178 [2021-03-25 18:00:45,781 INFO L480 AbstractCegarLoop]: Abstraction has has 148 places, 137 transitions, 2606 flow [2021-03-25 18:00:45,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:45,781 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:45,782 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:45,782 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 18:00:45,782 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:45,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:45,782 INFO L82 PathProgramCache]: Analyzing trace with hash 384916286, now seen corresponding path program 11 times [2021-03-25 18:00:45,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:45,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503107021] [2021-03-25 18:00:45,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:45,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:45,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:45,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:45,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:45,814 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:00:45,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:00:45,824 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:00:45,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:00:45,838 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:00:45,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:00:45,859 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:00:45,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:00:45,884 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:45,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:45,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:45,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503107021] [2021-03-25 18:00:45,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:45,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:45,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847073568] [2021-03-25 18:00:45,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:45,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:45,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:45,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:45,910 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:45,911 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 137 transitions, 2606 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:45,911 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:45,911 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:45,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:46,295 INFO L129 PetriNetUnfolder]: 279/1646 cut-off events. [2021-03-25 18:00:46,295 INFO L130 PetriNetUnfolder]: For 31131/31379 co-relation queries the response was YES. [2021-03-25 18:00:46,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9233 conditions, 1646 events. 279/1646 cut-off events. For 31131/31379 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 19136 event pairs, 83 based on Foata normal form. 21/1595 useless extension candidates. Maximal degree in co-relation 9165. Up to 294 conditions per place. [2021-03-25 18:00:46,323 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 58 selfloop transitions, 84 changer transitions 1/157 dead transitions. [2021-03-25 18:00:46,323 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 157 transitions, 3298 flow [2021-03-25 18:00:46,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:46,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:46,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:46,325 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:46,325 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:46,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:46,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:46,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:46,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:46,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:46,328 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:46,328 INFO L185 Difference]: Start difference. First operand has 148 places, 137 transitions, 2606 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:46,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 157 transitions, 3298 flow [2021-03-25 18:00:46,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 157 transitions, 3178 flow, removed 32 selfloop flow, removed 2 redundant places. [2021-03-25 18:00:46,445 INFO L241 Difference]: Finished difference. Result has 158 places, 143 transitions, 2896 flow [2021-03-25 18:00:46,445 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2488, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=78, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2896, PETRI_PLACES=158, PETRI_TRANSITIONS=143} [2021-03-25 18:00:46,446 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 120 predicate places. [2021-03-25 18:00:46,446 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:46,446 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 143 transitions, 2896 flow [2021-03-25 18:00:46,446 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 143 transitions, 2896 flow [2021-03-25 18:00:46,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 158 places, 143 transitions, 2896 flow [2021-03-25 18:00:46,596 INFO L129 PetriNetUnfolder]: 70/1097 cut-off events. [2021-03-25 18:00:46,596 INFO L130 PetriNetUnfolder]: For 18876/19841 co-relation queries the response was YES. [2021-03-25 18:00:46,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5225 conditions, 1097 events. 70/1097 cut-off events. For 18876/19841 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 13332 event pairs, 0 based on Foata normal form. 1/1039 useless extension candidates. Maximal degree in co-relation 5153. Up to 140 conditions per place. [2021-03-25 18:00:46,622 INFO L142 LiptonReduction]: Number of co-enabled transitions 1122 [2021-03-25 18:00:46,631 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:46,632 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:46,632 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 186 [2021-03-25 18:00:46,632 INFO L480 AbstractCegarLoop]: Abstraction has has 158 places, 143 transitions, 2896 flow [2021-03-25 18:00:46,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:46,633 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:46,633 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:46,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 18:00:46,633 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:46,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:46,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1925717138, now seen corresponding path program 12 times [2021-03-25 18:00:46,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:46,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249788261] [2021-03-25 18:00:46,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:46,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:46,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:46,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:46,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:46,656 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:00:46,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:00:46,665 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:00:46,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:00:46,683 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:00:46,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:00:46,704 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:00:46,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:00:46,729 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:46,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:46,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:46,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249788261] [2021-03-25 18:00:46,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:46,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:46,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790650970] [2021-03-25 18:00:46,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:46,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:46,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:46,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:46,758 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:46,759 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 143 transitions, 2896 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:46,759 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:46,759 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:46,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:47,120 INFO L129 PetriNetUnfolder]: 279/1645 cut-off events. [2021-03-25 18:00:47,121 INFO L130 PetriNetUnfolder]: For 34910/35158 co-relation queries the response was YES. [2021-03-25 18:00:47,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9642 conditions, 1645 events. 279/1645 cut-off events. For 34910/35158 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 19116 event pairs, 83 based on Foata normal form. 21/1594 useless extension candidates. Maximal degree in co-relation 9569. Up to 294 conditions per place. [2021-03-25 18:00:47,145 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 64 selfloop transitions, 81 changer transitions 1/160 dead transitions. [2021-03-25 18:00:47,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 160 transitions, 3552 flow [2021-03-25 18:00:47,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:47,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:47,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:47,148 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:47,149 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:47,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:47,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:47,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:47,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:47,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:47,152 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:47,152 INFO L185 Difference]: Start difference. First operand has 158 places, 143 transitions, 2896 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:47,152 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 160 transitions, 3552 flow [2021-03-25 18:00:47,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 160 transitions, 3412 flow, removed 29 selfloop flow, removed 2 redundant places. [2021-03-25 18:00:47,278 INFO L241 Difference]: Finished difference. Result has 167 places, 148 transitions, 3078 flow [2021-03-25 18:00:47,278 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2764, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3078, PETRI_PLACES=167, PETRI_TRANSITIONS=148} [2021-03-25 18:00:47,278 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 129 predicate places. [2021-03-25 18:00:47,278 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:47,279 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 148 transitions, 3078 flow [2021-03-25 18:00:47,279 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 148 transitions, 3078 flow [2021-03-25 18:00:47,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 148 transitions, 3078 flow [2021-03-25 18:00:47,425 INFO L129 PetriNetUnfolder]: 70/1096 cut-off events. [2021-03-25 18:00:47,425 INFO L130 PetriNetUnfolder]: For 19740/20458 co-relation queries the response was YES. [2021-03-25 18:00:47,436 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5429 conditions, 1096 events. 70/1096 cut-off events. For 19740/20458 co-relation queries the response was YES. Maximal size of possible extension queue 200. Compared 13343 event pairs, 0 based on Foata normal form. 3/1037 useless extension candidates. Maximal degree in co-relation 5353. Up to 140 conditions per place. [2021-03-25 18:00:47,451 INFO L142 LiptonReduction]: Number of co-enabled transitions 1186 [2021-03-25 18:00:47,464 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:47,465 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:47,465 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 187 [2021-03-25 18:00:47,465 INFO L480 AbstractCegarLoop]: Abstraction has has 167 places, 148 transitions, 3078 flow [2021-03-25 18:00:47,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:47,466 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:47,466 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:47,466 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 18:00:47,466 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:47,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:47,466 INFO L82 PathProgramCache]: Analyzing trace with hash 881421328, now seen corresponding path program 13 times [2021-03-25 18:00:47,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:47,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183929499] [2021-03-25 18:00:47,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:47,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:47,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:47,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:47,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:47,498 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:00:47,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:00:47,508 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:00:47,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:00:47,522 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:00:47,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:00:47,542 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:00:47,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:00:47,567 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:47,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:47,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183929499] [2021-03-25 18:00:47,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:47,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:47,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216181664] [2021-03-25 18:00:47,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:47,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:47,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:47,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:47,592 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:47,593 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 148 transitions, 3078 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:47,593 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:47,593 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:47,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:47,946 INFO L129 PetriNetUnfolder]: 279/1644 cut-off events. [2021-03-25 18:00:47,946 INFO L130 PetriNetUnfolder]: For 37646/37894 co-relation queries the response was YES. [2021-03-25 18:00:47,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10002 conditions, 1644 events. 279/1644 cut-off events. For 37646/37894 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 19086 event pairs, 83 based on Foata normal form. 21/1593 useless extension candidates. Maximal degree in co-relation 9925. Up to 294 conditions per place. [2021-03-25 18:00:47,976 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 54 selfloop transitions, 91 changer transitions 1/160 dead transitions. [2021-03-25 18:00:47,976 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 160 transitions, 3624 flow [2021-03-25 18:00:47,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:47,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:47,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-25 18:00:47,978 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-25 18:00:47,978 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-25 18:00:47,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-25 18:00:47,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:47,978 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-25 18:00:47,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:47,980 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:47,980 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:47,980 INFO L185 Difference]: Start difference. First operand has 167 places, 148 transitions, 3078 flow. Second operand 8 states and 466 transitions. [2021-03-25 18:00:47,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 160 transitions, 3624 flow [2021-03-25 18:00:48,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 160 transitions, 3450 flow, removed 19 selfloop flow, removed 3 redundant places. [2021-03-25 18:00:48,136 INFO L241 Difference]: Finished difference. Result has 174 places, 150 transitions, 3162 flow [2021-03-25 18:00:48,137 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2904, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3162, PETRI_PLACES=174, PETRI_TRANSITIONS=150} [2021-03-25 18:00:48,137 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 136 predicate places. [2021-03-25 18:00:48,137 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:48,138 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 150 transitions, 3162 flow [2021-03-25 18:00:48,138 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 150 transitions, 3162 flow [2021-03-25 18:00:48,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 174 places, 150 transitions, 3162 flow [2021-03-25 18:00:48,298 INFO L129 PetriNetUnfolder]: 70/1095 cut-off events. [2021-03-25 18:00:48,298 INFO L130 PetriNetUnfolder]: For 21378/22195 co-relation queries the response was YES. [2021-03-25 18:00:48,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5579 conditions, 1095 events. 70/1095 cut-off events. For 21378/22195 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 13327 event pairs, 0 based on Foata normal form. 3/1041 useless extension candidates. Maximal degree in co-relation 5500. Up to 140 conditions per place. [2021-03-25 18:00:48,326 INFO L142 LiptonReduction]: Number of co-enabled transitions 1206 [2021-03-25 18:00:48,338 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:48,338 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:48,338 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 201 [2021-03-25 18:00:48,339 INFO L480 AbstractCegarLoop]: Abstraction has has 174 places, 150 transitions, 3162 flow [2021-03-25 18:00:48,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:48,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:48,339 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:48,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 18:00:48,339 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:48,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:48,340 INFO L82 PathProgramCache]: Analyzing trace with hash 71391482, now seen corresponding path program 14 times [2021-03-25 18:00:48,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:48,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484399432] [2021-03-25 18:00:48,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:48,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:48,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:48,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:48,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:48,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:48,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:00:48,375 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:00:48,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:00:48,392 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:00:48,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:00:48,412 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:00:48,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:00:48,439 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:48,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:48,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:48,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484399432] [2021-03-25 18:00:48,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:48,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:48,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202543092] [2021-03-25 18:00:48,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:48,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:48,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:48,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:48,465 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:48,465 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 150 transitions, 3162 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:48,465 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:48,465 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:48,465 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:48,896 INFO L129 PetriNetUnfolder]: 277/1954 cut-off events. [2021-03-25 18:00:48,897 INFO L130 PetriNetUnfolder]: For 52802/53050 co-relation queries the response was YES. [2021-03-25 18:00:48,920 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12910 conditions, 1954 events. 277/1954 cut-off events. For 52802/53050 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 24026 event pairs, 42 based on Foata normal form. 2/1865 useless extension candidates. Maximal degree in co-relation 12830. Up to 474 conditions per place. [2021-03-25 18:00:48,929 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 180 selfloop transitions, 90 changer transitions 0/284 dead transitions. [2021-03-25 18:00:48,929 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 284 transitions, 7005 flow [2021-03-25 18:00:48,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:48,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:48,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:48,931 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:48,931 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:48,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:48,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:48,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:48,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:48,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:48,934 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:48,934 INFO L185 Difference]: Start difference. First operand has 174 places, 150 transitions, 3162 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:48,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 284 transitions, 7005 flow [2021-03-25 18:00:49,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 284 transitions, 6640 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-25 18:00:49,143 INFO L241 Difference]: Finished difference. Result has 183 places, 213 transitions, 4970 flow [2021-03-25 18:00:49,144 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=2984, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4970, PETRI_PLACES=183, PETRI_TRANSITIONS=213} [2021-03-25 18:00:49,144 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 145 predicate places. [2021-03-25 18:00:49,144 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:49,144 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 183 places, 213 transitions, 4970 flow [2021-03-25 18:00:49,144 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 183 places, 213 transitions, 4970 flow [2021-03-25 18:00:49,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 183 places, 213 transitions, 4970 flow [2021-03-25 18:00:49,395 INFO L129 PetriNetUnfolder]: 109/1632 cut-off events. [2021-03-25 18:00:49,396 INFO L130 PetriNetUnfolder]: For 35220/35613 co-relation queries the response was YES. [2021-03-25 18:00:49,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8627 conditions, 1632 events. 109/1632 cut-off events. For 35220/35613 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 21477 event pairs, 0 based on Foata normal form. 2/1565 useless extension candidates. Maximal degree in co-relation 8542. Up to 218 conditions per place. [2021-03-25 18:00:49,431 INFO L142 LiptonReduction]: Number of co-enabled transitions 1398 [2021-03-25 18:00:49,445 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:49,446 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:49,446 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 302 [2021-03-25 18:00:49,447 INFO L480 AbstractCegarLoop]: Abstraction has has 183 places, 213 transitions, 4970 flow [2021-03-25 18:00:49,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:49,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:49,448 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:49,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 18:00:49,448 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:49,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:49,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1996286544, now seen corresponding path program 15 times [2021-03-25 18:00:49,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:49,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754412204] [2021-03-25 18:00:49,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:49,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:49,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:49,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:49,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:49,481 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:00:49,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:00:49,492 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:00:49,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:00:49,508 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:00:49,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:00:49,527 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:00:49,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:00:49,552 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:49,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:49,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:49,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754412204] [2021-03-25 18:00:49,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:49,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:49,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028439409] [2021-03-25 18:00:49,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:49,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:49,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:49,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:49,577 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:49,577 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 213 transitions, 4970 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:49,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:49,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:49,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:50,033 INFO L129 PetriNetUnfolder]: 303/2122 cut-off events. [2021-03-25 18:00:50,033 INFO L130 PetriNetUnfolder]: For 51998/52317 co-relation queries the response was YES. [2021-03-25 18:00:50,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13018 conditions, 2122 events. 303/2122 cut-off events. For 51998/52317 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 26692 event pairs, 113 based on Foata normal form. 19/2058 useless extension candidates. Maximal degree in co-relation 12932. Up to 365 conditions per place. [2021-03-25 18:00:50,064 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 64 selfloop transitions, 147 changer transitions 1/226 dead transitions. [2021-03-25 18:00:50,065 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 226 transitions, 5690 flow [2021-03-25 18:00:50,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:50,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:50,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:50,066 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:50,066 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:50,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:50,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:50,069 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:50,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:50,070 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:50,070 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:50,070 INFO L185 Difference]: Start difference. First operand has 183 places, 213 transitions, 4970 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:50,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 226 transitions, 5690 flow [2021-03-25 18:00:50,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 226 transitions, 5660 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-03-25 18:00:50,326 INFO L241 Difference]: Finished difference. Result has 192 places, 216 transitions, 5331 flow [2021-03-25 18:00:50,326 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=4946, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5331, PETRI_PLACES=192, PETRI_TRANSITIONS=216} [2021-03-25 18:00:50,327 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 154 predicate places. [2021-03-25 18:00:50,327 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:50,327 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 192 places, 216 transitions, 5331 flow [2021-03-25 18:00:50,327 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 192 places, 216 transitions, 5331 flow [2021-03-25 18:00:50,329 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 192 places, 216 transitions, 5331 flow [2021-03-25 18:00:50,574 INFO L129 PetriNetUnfolder]: 109/1638 cut-off events. [2021-03-25 18:00:50,574 INFO L130 PetriNetUnfolder]: For 39451/39903 co-relation queries the response was YES. [2021-03-25 18:00:50,590 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9063 conditions, 1638 events. 109/1638 cut-off events. For 39451/39903 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 21570 event pairs, 0 based on Foata normal form. 3/1570 useless extension candidates. Maximal degree in co-relation 8975. Up to 218 conditions per place. [2021-03-25 18:00:50,610 INFO L142 LiptonReduction]: Number of co-enabled transitions 1434 [2021-03-25 18:00:50,625 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:50,625 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:50,625 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 298 [2021-03-25 18:00:50,625 INFO L480 AbstractCegarLoop]: Abstraction has has 192 places, 216 transitions, 5331 flow [2021-03-25 18:00:50,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:50,626 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:50,626 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:50,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-25 18:00:50,626 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:50,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:50,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1618551422, now seen corresponding path program 16 times [2021-03-25 18:00:50,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:50,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342031262] [2021-03-25 18:00:50,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:50,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:50,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:50,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:50,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:50,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:50,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:00:50,666 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:00:50,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:00:50,684 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:00:50,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:00:50,703 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:00:50,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:00:50,729 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:50,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:50,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:50,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342031262] [2021-03-25 18:00:50,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:50,753 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:50,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764800242] [2021-03-25 18:00:50,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:50,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:50,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:50,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:50,754 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:50,755 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 216 transitions, 5331 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:50,755 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:50,755 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:50,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:51,285 INFO L129 PetriNetUnfolder]: 279/2263 cut-off events. [2021-03-25 18:00:51,286 INFO L130 PetriNetUnfolder]: For 63183/63502 co-relation queries the response was YES. [2021-03-25 18:00:51,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14820 conditions, 2263 events. 279/2263 cut-off events. For 63183/63502 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 29390 event pairs, 81 based on Foata normal form. 12/2181 useless extension candidates. Maximal degree in co-relation 14731. Up to 421 conditions per place. [2021-03-25 18:00:51,312 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 186 selfloop transitions, 102 changer transitions 0/302 dead transitions. [2021-03-25 18:00:51,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 302 transitions, 8153 flow [2021-03-25 18:00:51,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:51,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:51,314 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:51,314 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:51,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:51,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:51,314 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:51,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:51,316 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:51,316 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:51,316 INFO L185 Difference]: Start difference. First operand has 192 places, 216 transitions, 5331 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:51,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 302 transitions, 8153 flow [2021-03-25 18:00:51,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 302 transitions, 7766 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-25 18:00:51,509 INFO L241 Difference]: Finished difference. Result has 201 places, 255 transitions, 6508 flow [2021-03-25 18:00:51,509 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=5044, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6508, PETRI_PLACES=201, PETRI_TRANSITIONS=255} [2021-03-25 18:00:51,509 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 163 predicate places. [2021-03-25 18:00:51,510 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:51,510 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 201 places, 255 transitions, 6508 flow [2021-03-25 18:00:51,510 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 201 places, 255 transitions, 6508 flow [2021-03-25 18:00:51,513 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 201 places, 255 transitions, 6508 flow [2021-03-25 18:00:51,764 INFO L129 PetriNetUnfolder]: 136/1990 cut-off events. [2021-03-25 18:00:51,764 INFO L130 PetriNetUnfolder]: For 53713/54143 co-relation queries the response was YES. [2021-03-25 18:00:51,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11394 conditions, 1990 events. 136/1990 cut-off events. For 53713/54143 co-relation queries the response was YES. Maximal size of possible extension queue 363. Compared 27270 event pairs, 0 based on Foata normal form. 10/1932 useless extension candidates. Maximal degree in co-relation 11300. Up to 272 conditions per place. [2021-03-25 18:00:51,800 INFO L142 LiptonReduction]: Number of co-enabled transitions 1590 [2021-03-25 18:00:51,818 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:51,818 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:51,818 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 308 [2021-03-25 18:00:51,819 INFO L480 AbstractCegarLoop]: Abstraction has has 201 places, 255 transitions, 6508 flow [2021-03-25 18:00:51,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:51,819 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:51,819 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:51,819 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-25 18:00:51,819 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:51,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:51,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1642344288, now seen corresponding path program 17 times [2021-03-25 18:00:51,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:51,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103802142] [2021-03-25 18:00:51,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:51,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:51,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:51,835 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:51,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:51,840 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:00:51,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:00:51,849 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:00:51,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:00:51,866 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:00:51,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:00:51,887 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:00:51,888 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:00:51,913 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:51,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:51,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103802142] [2021-03-25 18:00:51,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:51,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:51,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598621084] [2021-03-25 18:00:51,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:51,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:51,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:51,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:51,946 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:51,947 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 255 transitions, 6508 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:51,947 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:51,947 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:51,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:52,494 INFO L129 PetriNetUnfolder]: 267/2345 cut-off events. [2021-03-25 18:00:52,494 INFO L130 PetriNetUnfolder]: For 69756/70184 co-relation queries the response was YES. [2021-03-25 18:00:52,512 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15608 conditions, 2345 events. 267/2345 cut-off events. For 69756/70184 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 31067 event pairs, 124 based on Foata normal form. 23/2271 useless extension candidates. Maximal degree in co-relation 15513. Up to 365 conditions per place. [2021-03-25 18:00:52,519 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 76 selfloop transitions, 182 changer transitions 1/273 dead transitions. [2021-03-25 18:00:52,519 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 273 transitions, 7510 flow [2021-03-25 18:00:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:52,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:52,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:52,520 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:52,520 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:52,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:52,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:52,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:52,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:52,522 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:52,522 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:52,523 INFO L185 Difference]: Start difference. First operand has 201 places, 255 transitions, 6508 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:52,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 273 transitions, 7510 flow [2021-03-25 18:00:52,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 273 transitions, 7376 flow, removed 49 selfloop flow, removed 1 redundant places. [2021-03-25 18:00:52,834 INFO L241 Difference]: Finished difference. Result has 211 places, 262 transitions, 7018 flow [2021-03-25 18:00:52,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=6374, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=255, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7018, PETRI_PLACES=211, PETRI_TRANSITIONS=262} [2021-03-25 18:00:52,835 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 173 predicate places. [2021-03-25 18:00:52,835 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:52,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 211 places, 262 transitions, 7018 flow [2021-03-25 18:00:52,835 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 211 places, 262 transitions, 7018 flow [2021-03-25 18:00:52,837 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 211 places, 262 transitions, 7018 flow [2021-03-25 18:00:53,081 INFO L129 PetriNetUnfolder]: 136/2086 cut-off events. [2021-03-25 18:00:53,082 INFO L130 PetriNetUnfolder]: For 62862/63231 co-relation queries the response was YES. [2021-03-25 18:00:53,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12584 conditions, 2086 events. 136/2086 cut-off events. For 62862/63231 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 28986 event pairs, 0 based on Foata normal form. 1/2015 useless extension candidates. Maximal degree in co-relation 12486. Up to 272 conditions per place. [2021-03-25 18:00:53,114 INFO L142 LiptonReduction]: Number of co-enabled transitions 1648 [2021-03-25 18:00:53,127 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:53,128 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:53,128 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 293 [2021-03-25 18:00:53,128 INFO L480 AbstractCegarLoop]: Abstraction has has 211 places, 262 transitions, 7018 flow [2021-03-25 18:00:53,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:53,128 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:53,129 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:53,129 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-25 18:00:53,129 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:53,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:53,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1618713732, now seen corresponding path program 18 times [2021-03-25 18:00:53,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:53,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584388766] [2021-03-25 18:00:53,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:53,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:53,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:53,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:53,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:53,149 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:00:53,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:00:53,157 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:00:53,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:00:53,170 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:00:53,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:00:53,188 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:00:53,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:00:53,212 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:53,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:53,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:53,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584388766] [2021-03-25 18:00:53,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:53,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:53,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471196868] [2021-03-25 18:00:53,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:53,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:53,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:53,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:53,235 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:53,236 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 262 transitions, 7018 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:53,236 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:53,236 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:53,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:53,703 INFO L129 PetriNetUnfolder]: 264/2334 cut-off events. [2021-03-25 18:00:53,703 INFO L130 PetriNetUnfolder]: For 76510/77024 co-relation queries the response was YES. [2021-03-25 18:00:53,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16116 conditions, 2334 events. 264/2334 cut-off events. For 76510/77024 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 30903 event pairs, 114 based on Foata normal form. 24/2253 useless extension candidates. Maximal degree in co-relation 16017. Up to 379 conditions per place. [2021-03-25 18:00:53,728 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 122 selfloop transitions, 161 changer transitions 1/298 dead transitions. [2021-03-25 18:00:53,728 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 298 transitions, 8590 flow [2021-03-25 18:00:53,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:53,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:53,730 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:53,730 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:53,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:53,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:53,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:53,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:53,732 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:53,732 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:53,732 INFO L185 Difference]: Start difference. First operand has 211 places, 262 transitions, 7018 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:53,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 298 transitions, 8590 flow [2021-03-25 18:00:54,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 298 transitions, 8264 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-25 18:00:54,025 INFO L241 Difference]: Finished difference. Result has 219 places, 279 transitions, 7718 flow [2021-03-25 18:00:54,025 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=6704, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7718, PETRI_PLACES=219, PETRI_TRANSITIONS=279} [2021-03-25 18:00:54,025 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 181 predicate places. [2021-03-25 18:00:54,025 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:54,026 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 219 places, 279 transitions, 7718 flow [2021-03-25 18:00:54,026 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 219 places, 279 transitions, 7718 flow [2021-03-25 18:00:54,028 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 219 places, 279 transitions, 7718 flow [2021-03-25 18:00:54,327 INFO L129 PetriNetUnfolder]: 136/2084 cut-off events. [2021-03-25 18:00:54,327 INFO L130 PetriNetUnfolder]: For 68793/69179 co-relation queries the response was YES. [2021-03-25 18:00:54,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12933 conditions, 2084 events. 136/2084 cut-off events. For 68793/69179 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 28958 event pairs, 0 based on Foata normal form. 1/2018 useless extension candidates. Maximal degree in co-relation 12831. Up to 272 conditions per place. [2021-03-25 18:00:54,360 INFO L142 LiptonReduction]: Number of co-enabled transitions 1798 [2021-03-25 18:00:54,380 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:54,380 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:54,380 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 355 [2021-03-25 18:00:54,380 INFO L480 AbstractCegarLoop]: Abstraction has has 219 places, 279 transitions, 7718 flow [2021-03-25 18:00:54,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:54,381 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:54,381 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:54,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-25 18:00:54,381 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:54,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:54,381 INFO L82 PathProgramCache]: Analyzing trace with hash -189128520, now seen corresponding path program 19 times [2021-03-25 18:00:54,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:54,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660117334] [2021-03-25 18:00:54,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:54,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:54,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:54,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:54,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:54,401 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:00:54,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:00:54,411 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:00:54,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:00:54,424 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:00:54,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:00:54,442 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:00:54,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:00:54,466 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:54,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:54,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:54,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660117334] [2021-03-25 18:00:54,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:54,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:54,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870202583] [2021-03-25 18:00:54,490 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:54,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:54,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:54,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:54,491 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:54,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 279 transitions, 7718 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:54,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:54,492 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:54,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:55,007 INFO L129 PetriNetUnfolder]: 267/2342 cut-off events. [2021-03-25 18:00:55,007 INFO L130 PetriNetUnfolder]: For 83190/83884 co-relation queries the response was YES. [2021-03-25 18:00:55,029 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16517 conditions, 2342 events. 267/2342 cut-off events. For 83190/83884 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 31006 event pairs, 124 based on Foata normal form. 31/2276 useless extension candidates. Maximal degree in co-relation 16414. Up to 364 conditions per place. [2021-03-25 18:00:55,034 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 81 selfloop transitions, 193 changer transitions 0/288 dead transitions. [2021-03-25 18:00:55,034 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 288 transitions, 8534 flow [2021-03-25 18:00:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:55,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:55,035 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:55,035 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:55,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:55,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:55,036 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:55,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:55,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:55,037 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:55,037 INFO L185 Difference]: Start difference. First operand has 219 places, 279 transitions, 7718 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:55,037 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 226 places, 288 transitions, 8534 flow [2021-03-25 18:00:55,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 288 transitions, 8260 flow, removed 48 selfloop flow, removed 5 redundant places. [2021-03-25 18:00:55,371 INFO L241 Difference]: Finished difference. Result has 223 places, 282 transitions, 7940 flow [2021-03-25 18:00:55,371 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=7444, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=7940, PETRI_PLACES=223, PETRI_TRANSITIONS=282} [2021-03-25 18:00:55,371 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 185 predicate places. [2021-03-25 18:00:55,371 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:55,372 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 223 places, 282 transitions, 7940 flow [2021-03-25 18:00:55,372 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 223 places, 282 transitions, 7940 flow [2021-03-25 18:00:55,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 223 places, 282 transitions, 7940 flow [2021-03-25 18:00:55,673 INFO L129 PetriNetUnfolder]: 136/2083 cut-off events. [2021-03-25 18:00:55,674 INFO L130 PetriNetUnfolder]: For 71029/71406 co-relation queries the response was YES. [2021-03-25 18:00:55,692 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13241 conditions, 2083 events. 136/2083 cut-off events. For 71029/71406 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 28924 event pairs, 0 based on Foata normal form. 1/2019 useless extension candidates. Maximal degree in co-relation 13140. Up to 272 conditions per place. [2021-03-25 18:00:55,713 INFO L142 LiptonReduction]: Number of co-enabled transitions 1828 [2021-03-25 18:00:55,728 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:55,729 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:55,729 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 358 [2021-03-25 18:00:55,729 INFO L480 AbstractCegarLoop]: Abstraction has has 223 places, 282 transitions, 7940 flow [2021-03-25 18:00:55,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:55,729 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:55,730 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:55,730 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-25 18:00:55,730 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:55,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:55,730 INFO L82 PathProgramCache]: Analyzing trace with hash -796340978, now seen corresponding path program 20 times [2021-03-25 18:00:55,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:55,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5016158] [2021-03-25 18:00:55,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:55,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:55,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:55,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:55,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:55,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:55,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:00:55,760 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:00:55,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:00:55,775 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:00:55,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:00:55,807 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:00:55,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:00:55,836 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:55,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:55,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:55,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5016158] [2021-03-25 18:00:55,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:55,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:55,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073154847] [2021-03-25 18:00:55,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:55,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:55,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:55,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:55,867 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:55,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 282 transitions, 7940 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:55,868 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:55,868 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:55,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:56,396 INFO L129 PetriNetUnfolder]: 265/2402 cut-off events. [2021-03-25 18:00:56,396 INFO L130 PetriNetUnfolder]: For 89402/90100 co-relation queries the response was YES. [2021-03-25 18:00:56,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17367 conditions, 2402 events. 265/2402 cut-off events. For 89402/90100 co-relation queries the response was YES. Maximal size of possible extension queue 421. Compared 32102 event pairs, 99 based on Foata normal form. 18/2313 useless extension candidates. Maximal degree in co-relation 17265. Up to 401 conditions per place. [2021-03-25 18:00:56,467 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 197 selfloop transitions, 127 changer transitions 0/338 dead transitions. [2021-03-25 18:00:56,467 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 338 transitions, 10314 flow [2021-03-25 18:00:56,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:56,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:56,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:56,477 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:56,477 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:56,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:56,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:56,477 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:56,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:56,479 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:56,479 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:56,479 INFO L185 Difference]: Start difference. First operand has 223 places, 282 transitions, 7940 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:56,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 338 transitions, 10314 flow [2021-03-25 18:00:56,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 338 transitions, 9845 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-25 18:00:56,758 INFO L241 Difference]: Finished difference. Result has 230 places, 311 transitions, 8850 flow [2021-03-25 18:00:56,758 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=7550, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=98, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=8850, PETRI_PLACES=230, PETRI_TRANSITIONS=311} [2021-03-25 18:00:56,758 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 192 predicate places. [2021-03-25 18:00:56,758 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:56,758 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 230 places, 311 transitions, 8850 flow [2021-03-25 18:00:56,759 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 230 places, 311 transitions, 8850 flow [2021-03-25 18:00:56,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 230 places, 311 transitions, 8850 flow [2021-03-25 18:00:57,047 INFO L129 PetriNetUnfolder]: 139/2161 cut-off events. [2021-03-25 18:00:57,047 INFO L130 PetriNetUnfolder]: For 79987/80371 co-relation queries the response was YES. [2021-03-25 18:00:57,066 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14168 conditions, 2161 events. 139/2161 cut-off events. For 79987/80371 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 30253 event pairs, 0 based on Foata normal form. 1/2092 useless extension candidates. Maximal degree in co-relation 14063. Up to 278 conditions per place. [2021-03-25 18:00:57,086 INFO L142 LiptonReduction]: Number of co-enabled transitions 1990 [2021-03-25 18:00:57,103 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:57,104 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:57,104 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 346 [2021-03-25 18:00:57,104 INFO L480 AbstractCegarLoop]: Abstraction has has 230 places, 311 transitions, 8850 flow [2021-03-25 18:00:57,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:57,105 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:57,105 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:57,105 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-25 18:00:57,105 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:57,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:57,105 INFO L82 PathProgramCache]: Analyzing trace with hash 2068408222, now seen corresponding path program 21 times [2021-03-25 18:00:57,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:57,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283193268] [2021-03-25 18:00:57,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:57,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:57,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:57,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:57,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:57,147 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:00:57,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:00:57,156 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:00:57,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:00:57,169 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:00:57,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:00:57,197 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:00:57,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:00:57,220 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:57,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:57,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:57,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283193268] [2021-03-25 18:00:57,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:57,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:57,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040994972] [2021-03-25 18:00:57,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:57,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:57,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:57,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:57,242 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:57,242 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 311 transitions, 8850 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:57,242 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:57,242 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:57,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:57,826 INFO L129 PetriNetUnfolder]: 253/2479 cut-off events. [2021-03-25 18:00:57,827 INFO L130 PetriNetUnfolder]: For 98927/99652 co-relation queries the response was YES. [2021-03-25 18:00:57,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18207 conditions, 2479 events. 253/2479 cut-off events. For 98927/99652 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33627 event pairs, 105 based on Foata normal form. 29/2388 useless extension candidates. Maximal degree in co-relation 18101. Up to 376 conditions per place. [2021-03-25 18:00:57,859 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 123 selfloop transitions, 201 changer transitions 0/338 dead transitions. [2021-03-25 18:00:57,860 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 338 transitions, 10217 flow [2021-03-25 18:00:57,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:57,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:57,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:57,861 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:57,861 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:57,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:57,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:57,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:57,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:57,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:57,863 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:57,863 INFO L185 Difference]: Start difference. First operand has 230 places, 311 transitions, 8850 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:57,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 338 transitions, 10217 flow [2021-03-25 18:00:58,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 235 places, 338 transitions, 10019 flow, removed 44 selfloop flow, removed 2 redundant places. [2021-03-25 18:00:58,238 INFO L241 Difference]: Finished difference. Result has 239 places, 322 transitions, 9408 flow [2021-03-25 18:00:58,239 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=8660, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=190, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=9408, PETRI_PLACES=239, PETRI_TRANSITIONS=322} [2021-03-25 18:00:58,239 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 201 predicate places. [2021-03-25 18:00:58,239 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:58,239 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 239 places, 322 transitions, 9408 flow [2021-03-25 18:00:58,239 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 239 places, 322 transitions, 9408 flow [2021-03-25 18:00:58,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 239 places, 322 transitions, 9408 flow [2021-03-25 18:00:58,536 INFO L129 PetriNetUnfolder]: 139/2250 cut-off events. [2021-03-25 18:00:58,536 INFO L130 PetriNetUnfolder]: For 90711/91128 co-relation queries the response was YES. [2021-03-25 18:00:58,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15370 conditions, 2250 events. 139/2250 cut-off events. For 90711/91128 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 31804 event pairs, 0 based on Foata normal form. 2/2175 useless extension candidates. Maximal degree in co-relation 15261. Up to 278 conditions per place. [2021-03-25 18:00:58,577 INFO L142 LiptonReduction]: Number of co-enabled transitions 2106 [2021-03-25 18:00:58,594 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:00:58,595 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:00:58,595 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 356 [2021-03-25 18:00:58,595 INFO L480 AbstractCegarLoop]: Abstraction has has 239 places, 322 transitions, 9408 flow [2021-03-25 18:00:58,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:58,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:00:58,595 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:00:58,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-25 18:00:58,596 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:00:58,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:00:58,596 INFO L82 PathProgramCache]: Analyzing trace with hash 365565104, now seen corresponding path program 22 times [2021-03-25 18:00:58,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:00:58,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227758408] [2021-03-25 18:00:58,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:00:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:00:58,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:58,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:00:58,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:00:58,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:00:58,615 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:00:58,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:00:58,624 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:00:58,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:00:58,637 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:00:58,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:00:58,655 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:00:58,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:00:58,682 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:00:58,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:00:58,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:00:58,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227758408] [2021-03-25 18:00:58,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:00:58,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:00:58,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785069534] [2021-03-25 18:00:58,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:00:58,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:00:58,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:00:58,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:00:58,706 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:00:58,706 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 322 transitions, 9408 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:58,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:00:58,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:00:58,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:00:59,324 INFO L129 PetriNetUnfolder]: 252/2479 cut-off events. [2021-03-25 18:00:59,324 INFO L130 PetriNetUnfolder]: For 105983/106706 co-relation queries the response was YES. [2021-03-25 18:00:59,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18740 conditions, 2479 events. 252/2479 cut-off events. For 105983/106706 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33672 event pairs, 113 based on Foata normal form. 29/2408 useless extension candidates. Maximal degree in co-relation 18630. Up to 396 conditions per place. [2021-03-25 18:00:59,350 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 138 selfloop transitions, 199 changer transitions 0/351 dead transitions. [2021-03-25 18:00:59,350 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 351 transitions, 11012 flow [2021-03-25 18:00:59,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:00:59,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:00:59,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:00:59,352 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:00:59,352 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:00:59,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:00:59,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:00:59,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:00:59,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:59,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:59,354 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:00:59,354 INFO L185 Difference]: Start difference. First operand has 239 places, 322 transitions, 9408 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:00:59,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 351 transitions, 11012 flow [2021-03-25 18:00:59,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 351 transitions, 10807 flow, removed 11 selfloop flow, removed 2 redundant places. [2021-03-25 18:00:59,703 INFO L241 Difference]: Finished difference. Result has 249 places, 330 transitions, 10065 flow [2021-03-25 18:00:59,704 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=9203, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=191, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10065, PETRI_PLACES=249, PETRI_TRANSITIONS=330} [2021-03-25 18:00:59,704 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 211 predicate places. [2021-03-25 18:00:59,704 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:00:59,704 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 249 places, 330 transitions, 10065 flow [2021-03-25 18:00:59,704 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 249 places, 330 transitions, 10065 flow [2021-03-25 18:00:59,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 249 places, 330 transitions, 10065 flow [2021-03-25 18:01:00,036 INFO L129 PetriNetUnfolder]: 139/2257 cut-off events. [2021-03-25 18:01:00,036 INFO L130 PetriNetUnfolder]: For 99962/100320 co-relation queries the response was YES. [2021-03-25 18:01:00,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16058 conditions, 2257 events. 139/2257 cut-off events. For 99962/100320 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 31864 event pairs, 0 based on Foata normal form. 1/2189 useless extension candidates. Maximal degree in co-relation 15944. Up to 278 conditions per place. [2021-03-25 18:01:00,080 INFO L142 LiptonReduction]: Number of co-enabled transitions 2174 [2021-03-25 18:01:00,098 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:00,098 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:00,098 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 394 [2021-03-25 18:01:00,099 INFO L480 AbstractCegarLoop]: Abstraction has has 249 places, 330 transitions, 10065 flow [2021-03-25 18:01:00,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:00,099 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:00,099 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:00,099 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-25 18:01:00,099 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:00,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:00,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1897951838, now seen corresponding path program 23 times [2021-03-25 18:01:00,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:00,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532792521] [2021-03-25 18:01:00,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:00,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:00,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:00,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:00,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:00,119 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:01:00,120 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:01:00,128 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:00,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:00,141 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:00,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:00,158 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:00,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:00,184 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:00,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:00,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532792521] [2021-03-25 18:01:00,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:00,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:00,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004484401] [2021-03-25 18:01:00,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:00,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:00,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:00,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:00,206 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:00,207 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 330 transitions, 10065 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:00,207 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:00,207 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:00,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:00,825 INFO L129 PetriNetUnfolder]: 244/2523 cut-off events. [2021-03-25 18:01:00,825 INFO L130 PetriNetUnfolder]: For 117775/118531 co-relation queries the response was YES. [2021-03-25 18:01:00,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19741 conditions, 2523 events. 244/2523 cut-off events. For 117775/118531 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34538 event pairs, 105 based on Foata normal form. 32/2434 useless extension candidates. Maximal degree in co-relation 19626. Up to 394 conditions per place. [2021-03-25 18:01:00,858 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 146 selfloop transitions, 196 changer transitions 0/356 dead transitions. [2021-03-25 18:01:00,858 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 356 transitions, 11600 flow [2021-03-25 18:01:00,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:00,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:00,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:00,873 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:00,873 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:00,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:00,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:00,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:00,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:00,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:00,875 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:00,875 INFO L185 Difference]: Start difference. First operand has 249 places, 330 transitions, 10065 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:00,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 356 transitions, 11600 flow [2021-03-25 18:01:01,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 356 transitions, 11385 flow, removed 16 selfloop flow, removed 2 redundant places. [2021-03-25 18:01:01,313 INFO L241 Difference]: Finished difference. Result has 258 places, 338 transitions, 10576 flow [2021-03-25 18:01:01,313 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=9854, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10576, PETRI_PLACES=258, PETRI_TRANSITIONS=338} [2021-03-25 18:01:01,313 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 220 predicate places. [2021-03-25 18:01:01,313 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:01,314 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 258 places, 338 transitions, 10576 flow [2021-03-25 18:01:01,314 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 258 places, 338 transitions, 10576 flow [2021-03-25 18:01:01,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 258 places, 338 transitions, 10576 flow [2021-03-25 18:01:01,646 INFO L129 PetriNetUnfolder]: 139/2320 cut-off events. [2021-03-25 18:01:01,646 INFO L130 PetriNetUnfolder]: For 110059/110419 co-relation queries the response was YES. [2021-03-25 18:01:01,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17102 conditions, 2320 events. 139/2320 cut-off events. For 110059/110419 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33038 event pairs, 0 based on Foata normal form. 0/2242 useless extension candidates. Maximal degree in co-relation 16984. Up to 278 conditions per place. [2021-03-25 18:01:01,697 INFO L142 LiptonReduction]: Number of co-enabled transitions 2252 [2021-03-25 18:01:01,724 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:01,724 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:01,725 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 412 [2021-03-25 18:01:01,727 INFO L480 AbstractCegarLoop]: Abstraction has has 258 places, 338 transitions, 10576 flow [2021-03-25 18:01:01,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:01,727 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:01,727 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:01,727 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-25 18:01:01,727 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:01,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:01,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1929461150, now seen corresponding path program 24 times [2021-03-25 18:01:01,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:01,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843484250] [2021-03-25 18:01:01,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:01,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:01,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:01,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:01,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:01,753 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:01:01,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:01:01,762 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:01,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:01,775 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:01:01,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:01:01,806 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:01,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:01,837 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:01,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:01,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:01,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843484250] [2021-03-25 18:01:01,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:01,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:01,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153347244] [2021-03-25 18:01:01,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:01,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:01,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:01,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:01,859 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:01,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 338 transitions, 10576 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:01,860 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:01,860 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:01,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:02,449 INFO L129 PetriNetUnfolder]: 244/2522 cut-off events. [2021-03-25 18:01:02,450 INFO L130 PetriNetUnfolder]: For 123765/124473 co-relation queries the response was YES. [2021-03-25 18:01:02,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20173 conditions, 2522 events. 244/2522 cut-off events. For 123765/124473 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34552 event pairs, 105 based on Foata normal form. 32/2434 useless extension candidates. Maximal degree in co-relation 20054. Up to 404 conditions per place. [2021-03-25 18:01:02,477 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 146 selfloop transitions, 205 changer transitions 0/365 dead transitions. [2021-03-25 18:01:02,477 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 365 transitions, 12206 flow [2021-03-25 18:01:02,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:02,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:02,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:02,478 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:02,478 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:02,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:02,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:02,478 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:02,479 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:02,480 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:02,480 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:02,480 INFO L185 Difference]: Start difference. First operand has 258 places, 338 transitions, 10576 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:02,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 365 transitions, 12206 flow [2021-03-25 18:01:02,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 365 transitions, 11725 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-25 18:01:02,945 INFO L241 Difference]: Finished difference. Result has 265 places, 345 transitions, 10837 flow [2021-03-25 18:01:02,945 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10103, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=198, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10837, PETRI_PLACES=265, PETRI_TRANSITIONS=345} [2021-03-25 18:01:02,946 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 227 predicate places. [2021-03-25 18:01:02,946 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:02,946 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 345 transitions, 10837 flow [2021-03-25 18:01:02,946 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 345 transitions, 10837 flow [2021-03-25 18:01:02,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 345 transitions, 10837 flow [2021-03-25 18:01:03,279 INFO L129 PetriNetUnfolder]: 139/2319 cut-off events. [2021-03-25 18:01:03,279 INFO L130 PetriNetUnfolder]: For 116277/116635 co-relation queries the response was YES. [2021-03-25 18:01:03,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17356 conditions, 2319 events. 139/2319 cut-off events. For 116277/116635 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32997 event pairs, 0 based on Foata normal form. 0/2238 useless extension candidates. Maximal degree in co-relation 17234. Up to 278 conditions per place. [2021-03-25 18:01:03,329 INFO L142 LiptonReduction]: Number of co-enabled transitions 2332 [2021-03-25 18:01:03,358 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:03,358 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:03,358 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 412 [2021-03-25 18:01:03,358 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 345 transitions, 10837 flow [2021-03-25 18:01:03,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:03,359 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:03,359 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:03,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-25 18:01:03,359 INFO L428 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:03,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:03,359 INFO L82 PathProgramCache]: Analyzing trace with hash -2135503386, now seen corresponding path program 25 times [2021-03-25 18:01:03,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:03,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892274180] [2021-03-25 18:01:03,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:03,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:03,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:03,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:03,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:03,382 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:01:03,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:01:03,392 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:03,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:03,403 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:03,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:03,419 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:03,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:03,443 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:03,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:03,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892274180] [2021-03-25 18:01:03,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:03,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:03,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053990026] [2021-03-25 18:01:03,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:03,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:03,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:03,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:03,465 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:03,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 345 transitions, 10837 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:03,466 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:03,466 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:03,466 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:04,129 INFO L129 PetriNetUnfolder]: 244/2521 cut-off events. [2021-03-25 18:01:04,129 INFO L130 PetriNetUnfolder]: For 129629/130329 co-relation queries the response was YES. [2021-03-25 18:01:04,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20425 conditions, 2521 events. 244/2521 cut-off events. For 129629/130329 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34512 event pairs, 105 based on Foata normal form. 32/2433 useless extension candidates. Maximal degree in co-relation 20302. Up to 376 conditions per place. [2021-03-25 18:01:04,156 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 134 selfloop transitions, 213 changer transitions 0/361 dead transitions. [2021-03-25 18:01:04,156 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 361 transitions, 12106 flow [2021-03-25 18:01:04,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:04,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:04,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:04,157 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:04,157 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:04,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:04,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:04,157 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:04,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:04,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:04,159 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:04,159 INFO L185 Difference]: Start difference. First operand has 265 places, 345 transitions, 10837 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:04,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 361 transitions, 12106 flow [2021-03-25 18:01:04,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 361 transitions, 11887 flow, removed 18 selfloop flow, removed 2 redundant places. [2021-03-25 18:01:04,637 INFO L241 Difference]: Finished difference. Result has 274 places, 354 transitions, 11446 flow [2021-03-25 18:01:04,638 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10618, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11446, PETRI_PLACES=274, PETRI_TRANSITIONS=354} [2021-03-25 18:01:04,638 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 236 predicate places. [2021-03-25 18:01:04,638 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:04,638 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 274 places, 354 transitions, 11446 flow [2021-03-25 18:01:04,638 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 274 places, 354 transitions, 11446 flow [2021-03-25 18:01:04,642 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 274 places, 354 transitions, 11446 flow [2021-03-25 18:01:04,983 INFO L129 PetriNetUnfolder]: 139/2318 cut-off events. [2021-03-25 18:01:04,983 INFO L130 PetriNetUnfolder]: For 123255/123602 co-relation queries the response was YES. [2021-03-25 18:01:05,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17846 conditions, 2318 events. 139/2318 cut-off events. For 123255/123602 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33054 event pairs, 0 based on Foata normal form. 0/2244 useless extension candidates. Maximal degree in co-relation 17720. Up to 278 conditions per place. [2021-03-25 18:01:05,032 INFO L142 LiptonReduction]: Number of co-enabled transitions 2440 [2021-03-25 18:01:05,055 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:05,055 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:05,055 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 417 [2021-03-25 18:01:05,056 INFO L480 AbstractCegarLoop]: Abstraction has has 274 places, 354 transitions, 11446 flow [2021-03-25 18:01:05,056 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:05,056 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:05,056 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:05,056 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-25 18:01:05,056 INFO L428 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:05,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:05,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1513075010, now seen corresponding path program 26 times [2021-03-25 18:01:05,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:05,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517831412] [2021-03-25 18:01:05,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:05,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:05,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:05,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:05,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:05,075 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:01:05,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:01:05,084 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:05,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:05,097 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:01:05,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:01:05,128 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:01:05,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:01:05,151 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:05,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:05,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517831412] [2021-03-25 18:01:05,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:05,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:05,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736038393] [2021-03-25 18:01:05,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:05,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:05,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:05,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:05,175 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:05,176 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 274 places, 354 transitions, 11446 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:05,176 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:05,176 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:05,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:05,871 INFO L129 PetriNetUnfolder]: 244/2520 cut-off events. [2021-03-25 18:01:05,871 INFO L130 PetriNetUnfolder]: For 137470/138170 co-relation queries the response was YES. [2021-03-25 18:01:05,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20913 conditions, 2520 events. 244/2520 cut-off events. For 137470/138170 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34502 event pairs, 105 based on Foata normal form. 32/2443 useless extension candidates. Maximal degree in co-relation 20786. Up to 376 conditions per place. [2021-03-25 18:01:05,896 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 131 selfloop transitions, 216 changer transitions 0/361 dead transitions. [2021-03-25 18:01:05,896 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 361 transitions, 12438 flow [2021-03-25 18:01:05,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:05,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:05,898 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:05,898 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:05,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:05,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:05,898 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:05,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:05,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:05,899 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:05,899 INFO L185 Difference]: Start difference. First operand has 274 places, 354 transitions, 11446 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:05,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 361 transitions, 12438 flow [2021-03-25 18:01:06,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 361 transitions, 12087 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-25 18:01:06,450 INFO L241 Difference]: Finished difference. Result has 280 places, 357 transitions, 11663 flow [2021-03-25 18:01:06,451 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11095, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11663, PETRI_PLACES=280, PETRI_TRANSITIONS=357} [2021-03-25 18:01:06,451 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 242 predicate places. [2021-03-25 18:01:06,451 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:06,451 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 280 places, 357 transitions, 11663 flow [2021-03-25 18:01:06,452 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 280 places, 357 transitions, 11663 flow [2021-03-25 18:01:06,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 280 places, 357 transitions, 11663 flow [2021-03-25 18:01:06,809 INFO L129 PetriNetUnfolder]: 139/2317 cut-off events. [2021-03-25 18:01:06,809 INFO L130 PetriNetUnfolder]: For 129885/130281 co-relation queries the response was YES. [2021-03-25 18:01:06,840 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18180 conditions, 2317 events. 139/2317 cut-off events. For 129885/130281 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33008 event pairs, 0 based on Foata normal form. 1/2237 useless extension candidates. Maximal degree in co-relation 18052. Up to 278 conditions per place. [2021-03-25 18:01:06,863 INFO L142 LiptonReduction]: Number of co-enabled transitions 2466 [2021-03-25 18:01:06,883 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:06,884 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:06,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 433 [2021-03-25 18:01:06,884 INFO L480 AbstractCegarLoop]: Abstraction has has 280 places, 357 transitions, 11663 flow [2021-03-25 18:01:06,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:06,884 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:06,885 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:06,885 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-25 18:01:06,885 INFO L428 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:06,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:06,885 INFO L82 PathProgramCache]: Analyzing trace with hash -819346082, now seen corresponding path program 27 times [2021-03-25 18:01:06,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:06,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053314096] [2021-03-25 18:01:06,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:06,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:06,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:06,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:06,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:06,906 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:01:06,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:01:06,915 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:06,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:06,929 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:06,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:06,946 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:06,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:06,969 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:06,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:06,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:06,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053314096] [2021-03-25 18:01:06,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:06,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:06,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001457432] [2021-03-25 18:01:06,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:06,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:06,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:06,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:06,991 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:06,996 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 357 transitions, 11663 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:06,996 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:06,996 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:06,996 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:07,693 INFO L129 PetriNetUnfolder]: 244/2519 cut-off events. [2021-03-25 18:01:07,693 INFO L130 PetriNetUnfolder]: For 143449/144139 co-relation queries the response was YES. [2021-03-25 18:01:07,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21245 conditions, 2519 events. 244/2519 cut-off events. For 143449/144139 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34459 event pairs, 105 based on Foata normal form. 32/2442 useless extension candidates. Maximal degree in co-relation 21116. Up to 376 conditions per place. [2021-03-25 18:01:07,720 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 137 selfloop transitions, 213 changer transitions 0/364 dead transitions. [2021-03-25 18:01:07,720 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 364 transitions, 12665 flow [2021-03-25 18:01:07,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:07,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:07,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:07,721 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:07,721 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:07,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:07,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:07,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:07,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:07,723 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:07,723 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:07,723 INFO L185 Difference]: Start difference. First operand has 280 places, 357 transitions, 11663 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:07,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 364 transitions, 12665 flow [2021-03-25 18:01:08,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 364 transitions, 12260 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-25 18:01:08,395 INFO L241 Difference]: Finished difference. Result has 285 places, 360 transitions, 11813 flow [2021-03-25 18:01:08,395 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11258, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=210, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11813, PETRI_PLACES=285, PETRI_TRANSITIONS=360} [2021-03-25 18:01:08,396 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 247 predicate places. [2021-03-25 18:01:08,396 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:08,396 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 285 places, 360 transitions, 11813 flow [2021-03-25 18:01:08,396 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 285 places, 360 transitions, 11813 flow [2021-03-25 18:01:08,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 285 places, 360 transitions, 11813 flow [2021-03-25 18:01:08,743 INFO L129 PetriNetUnfolder]: 139/2316 cut-off events. [2021-03-25 18:01:08,744 INFO L130 PetriNetUnfolder]: For 134813/135167 co-relation queries the response was YES. [2021-03-25 18:01:08,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18426 conditions, 2316 events. 139/2316 cut-off events. For 134813/135167 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 33009 event pairs, 0 based on Foata normal form. 0/2237 useless extension candidates. Maximal degree in co-relation 18296. Up to 278 conditions per place. [2021-03-25 18:01:08,791 INFO L142 LiptonReduction]: Number of co-enabled transitions 2490 [2021-03-25 18:01:08,813 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:08,813 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:08,813 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 417 [2021-03-25 18:01:08,813 INFO L480 AbstractCegarLoop]: Abstraction has has 285 places, 360 transitions, 11813 flow [2021-03-25 18:01:08,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:08,814 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:08,814 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:08,814 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-25 18:01:08,814 INFO L428 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:08,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:08,814 INFO L82 PathProgramCache]: Analyzing trace with hash 583939516, now seen corresponding path program 28 times [2021-03-25 18:01:08,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:08,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94830871] [2021-03-25 18:01:08,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:08,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:08,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:08,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:08,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:08,833 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:01:08,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:01:08,842 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:08,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:08,854 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:01:08,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:01:08,873 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:08,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:08,896 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:08,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:08,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:08,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94830871] [2021-03-25 18:01:08,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:08,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:08,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547717788] [2021-03-25 18:01:08,918 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:08,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:08,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:08,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:08,918 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:08,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 360 transitions, 11813 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:08,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:08,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:08,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:09,595 INFO L129 PetriNetUnfolder]: 244/2518 cut-off events. [2021-03-25 18:01:09,595 INFO L130 PetriNetUnfolder]: For 149482/150168 co-relation queries the response was YES. [2021-03-25 18:01:09,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21489 conditions, 2518 events. 244/2518 cut-off events. For 149482/150168 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34434 event pairs, 105 based on Foata normal form. 30/2439 useless extension candidates. Maximal degree in co-relation 21358. Up to 376 conditions per place. [2021-03-25 18:01:09,624 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 131 selfloop transitions, 219 changer transitions 0/364 dead transitions. [2021-03-25 18:01:09,624 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 364 transitions, 12729 flow [2021-03-25 18:01:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:09,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:09,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:09,626 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:09,626 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:09,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:09,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:09,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:09,627 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:09,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:09,628 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:09,628 INFO L185 Difference]: Start difference. First operand has 285 places, 360 transitions, 11813 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:09,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 364 transitions, 12729 flow [2021-03-25 18:01:10,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 364 transitions, 12335 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-25 18:01:10,162 INFO L241 Difference]: Finished difference. Result has 289 places, 360 transitions, 11860 flow [2021-03-25 18:01:10,162 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11419, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=219, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11860, PETRI_PLACES=289, PETRI_TRANSITIONS=360} [2021-03-25 18:01:10,162 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 251 predicate places. [2021-03-25 18:01:10,162 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:10,163 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 289 places, 360 transitions, 11860 flow [2021-03-25 18:01:10,163 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 289 places, 360 transitions, 11860 flow [2021-03-25 18:01:10,166 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 289 places, 360 transitions, 11860 flow [2021-03-25 18:01:10,558 INFO L129 PetriNetUnfolder]: 139/2315 cut-off events. [2021-03-25 18:01:10,558 INFO L130 PetriNetUnfolder]: For 141222/141618 co-relation queries the response was YES. [2021-03-25 18:01:10,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18665 conditions, 2315 events. 139/2315 cut-off events. For 141222/141618 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32930 event pairs, 0 based on Foata normal form. 1/2240 useless extension candidates. Maximal degree in co-relation 18534. Up to 278 conditions per place. [2021-03-25 18:01:10,611 INFO L142 LiptonReduction]: Number of co-enabled transitions 2490 [2021-03-25 18:01:10,633 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:10,633 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:10,633 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 471 [2021-03-25 18:01:10,634 INFO L480 AbstractCegarLoop]: Abstraction has has 289 places, 360 transitions, 11860 flow [2021-03-25 18:01:10,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:10,634 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:10,634 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:10,634 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-03-25 18:01:10,634 INFO L428 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:10,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:10,635 INFO L82 PathProgramCache]: Analyzing trace with hash -410719532, now seen corresponding path program 29 times [2021-03-25 18:01:10,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:10,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688624447] [2021-03-25 18:01:10,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:10,648 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:10,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:10,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:10,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:10,655 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:01:10,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:01:10,664 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:10,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:10,678 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:01:10,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:01:10,708 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:01:10,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:01:10,730 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:10,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:10,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:10,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688624447] [2021-03-25 18:01:10,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:10,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:10,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325887291] [2021-03-25 18:01:10,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:10,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:10,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:10,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:10,752 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:10,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 360 transitions, 11860 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:10,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:10,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:10,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:11,384 INFO L129 PetriNetUnfolder]: 244/2517 cut-off events. [2021-03-25 18:01:11,384 INFO L130 PetriNetUnfolder]: For 155333/156019 co-relation queries the response was YES. [2021-03-25 18:01:11,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21726 conditions, 2517 events. 244/2517 cut-off events. For 155333/156019 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34466 event pairs, 105 based on Foata normal form. 30/2438 useless extension candidates. Maximal degree in co-relation 21594. Up to 404 conditions per place. [2021-03-25 18:01:11,416 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 153 selfloop transitions, 209 changer transitions 0/376 dead transitions. [2021-03-25 18:01:11,416 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 376 transitions, 13182 flow [2021-03-25 18:01:11,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:11,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:11,417 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:11,417 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:11,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:11,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:11,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:11,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:11,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:11,419 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:11,419 INFO L185 Difference]: Start difference. First operand has 289 places, 360 transitions, 11860 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:11,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 376 transitions, 13182 flow [2021-03-25 18:01:11,981 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 376 transitions, 12771 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-25 18:01:11,991 INFO L241 Difference]: Finished difference. Result has 293 places, 360 transitions, 11870 flow [2021-03-25 18:01:11,992 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11449, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=209, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11870, PETRI_PLACES=293, PETRI_TRANSITIONS=360} [2021-03-25 18:01:11,992 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 255 predicate places. [2021-03-25 18:01:11,992 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:11,992 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 293 places, 360 transitions, 11870 flow [2021-03-25 18:01:11,992 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 293 places, 360 transitions, 11870 flow [2021-03-25 18:01:11,997 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 293 places, 360 transitions, 11870 flow [2021-03-25 18:01:12,484 INFO L129 PetriNetUnfolder]: 139/2314 cut-off events. [2021-03-25 18:01:12,484 INFO L130 PetriNetUnfolder]: For 147072/147426 co-relation queries the response was YES. [2021-03-25 18:01:12,516 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18879 conditions, 2314 events. 139/2314 cut-off events. For 147072/147426 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32956 event pairs, 0 based on Foata normal form. 0/2236 useless extension candidates. Maximal degree in co-relation 18747. Up to 278 conditions per place. [2021-03-25 18:01:12,545 INFO L142 LiptonReduction]: Number of co-enabled transitions 2490 [2021-03-25 18:01:12,569 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:12,569 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:12,569 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 577 [2021-03-25 18:01:12,569 INFO L480 AbstractCegarLoop]: Abstraction has has 293 places, 360 transitions, 11870 flow [2021-03-25 18:01:12,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:12,570 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:12,570 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:12,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-03-25 18:01:12,570 INFO L428 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:12,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:12,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1868542390, now seen corresponding path program 30 times [2021-03-25 18:01:12,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:12,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127711542] [2021-03-25 18:01:12,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:12,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:12,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:12,590 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:12,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:12,595 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:01:12,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:01:12,603 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:12,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:12,615 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:01:12,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:01:12,632 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:12,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:12,659 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:12,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:12,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:12,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127711542] [2021-03-25 18:01:12,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:12,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:12,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066698475] [2021-03-25 18:01:12,683 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:12,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:12,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:12,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:12,683 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:12,684 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 360 transitions, 11870 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:12,684 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:12,684 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:12,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:13,317 INFO L129 PetriNetUnfolder]: 244/2516 cut-off events. [2021-03-25 18:01:13,317 INFO L130 PetriNetUnfolder]: For 161370/162060 co-relation queries the response was YES. [2021-03-25 18:01:13,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21938 conditions, 2516 events. 244/2516 cut-off events. For 161370/162060 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34438 event pairs, 105 based on Foata normal form. 32/2439 useless extension candidates. Maximal degree in co-relation 21805. Up to 404 conditions per place. [2021-03-25 18:01:13,348 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 154 selfloop transitions, 211 changer transitions 0/379 dead transitions. [2021-03-25 18:01:13,348 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 379 transitions, 13298 flow [2021-03-25 18:01:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:13,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:13,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:13,349 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:13,349 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:13,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:13,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:13,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:13,350 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:13,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:13,351 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:13,351 INFO L185 Difference]: Start difference. First operand has 293 places, 360 transitions, 11870 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:13,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 379 transitions, 13298 flow [2021-03-25 18:01:13,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 290 places, 379 transitions, 12675 flow, removed 11 selfloop flow, removed 10 redundant places. [2021-03-25 18:01:13,969 INFO L241 Difference]: Finished difference. Result has 292 places, 363 transitions, 11795 flow [2021-03-25 18:01:13,970 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11247, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=208, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11795, PETRI_PLACES=292, PETRI_TRANSITIONS=363} [2021-03-25 18:01:13,970 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 254 predicate places. [2021-03-25 18:01:13,970 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:13,970 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 292 places, 363 transitions, 11795 flow [2021-03-25 18:01:13,970 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 292 places, 363 transitions, 11795 flow [2021-03-25 18:01:13,974 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 292 places, 363 transitions, 11795 flow [2021-03-25 18:01:14,322 INFO L129 PetriNetUnfolder]: 139/2313 cut-off events. [2021-03-25 18:01:14,323 INFO L130 PetriNetUnfolder]: For 150877/151229 co-relation queries the response was YES. [2021-03-25 18:01:14,344 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18980 conditions, 2313 events. 139/2313 cut-off events. For 150877/151229 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32950 event pairs, 0 based on Foata normal form. 0/2230 useless extension candidates. Maximal degree in co-relation 18851. Up to 278 conditions per place. [2021-03-25 18:01:14,368 INFO L142 LiptonReduction]: Number of co-enabled transitions 2514 [2021-03-25 18:01:14,389 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:14,389 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:14,389 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 419 [2021-03-25 18:01:14,390 INFO L480 AbstractCegarLoop]: Abstraction has has 292 places, 363 transitions, 11795 flow [2021-03-25 18:01:14,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:14,390 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:14,390 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:14,390 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-03-25 18:01:14,390 INFO L428 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:14,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:14,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1516166888, now seen corresponding path program 31 times [2021-03-25 18:01:14,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:14,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418713777] [2021-03-25 18:01:14,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:14,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:14,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:14,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:14,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:14,407 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:01:14,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:01:14,416 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:14,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:14,430 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:01:14,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:01:14,447 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:01:14,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:01:14,469 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:14,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:14,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:14,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418713777] [2021-03-25 18:01:14,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:14,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:14,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716413660] [2021-03-25 18:01:14,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:14,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:14,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:14,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:14,493 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:14,494 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 363 transitions, 11795 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:14,494 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:14,494 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:14,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:15,106 INFO L129 PetriNetUnfolder]: 244/2515 cut-off events. [2021-03-25 18:01:15,106 INFO L130 PetriNetUnfolder]: For 166123/166813 co-relation queries the response was YES. [2021-03-25 18:01:15,130 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22037 conditions, 2515 events. 244/2515 cut-off events. For 166123/166813 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34377 event pairs, 105 based on Foata normal form. 32/2438 useless extension candidates. Maximal degree in co-relation 21907. Up to 404 conditions per place. [2021-03-25 18:01:15,136 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 146 selfloop transitions, 219 changer transitions 0/379 dead transitions. [2021-03-25 18:01:15,137 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 379 transitions, 13145 flow [2021-03-25 18:01:15,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:15,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:15,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:15,138 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:15,138 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:15,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:15,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:15,138 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:15,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:15,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:15,140 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:15,140 INFO L185 Difference]: Start difference. First operand has 292 places, 363 transitions, 11795 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:15,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 299 places, 379 transitions, 13145 flow [2021-03-25 18:01:16,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 379 transitions, 12756 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 18:01:16,096 INFO L241 Difference]: Finished difference. Result has 297 places, 375 transitions, 12316 flow [2021-03-25 18:01:16,097 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11406, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=207, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12316, PETRI_PLACES=297, PETRI_TRANSITIONS=375} [2021-03-25 18:01:16,097 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 259 predicate places. [2021-03-25 18:01:16,097 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:16,097 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 297 places, 375 transitions, 12316 flow [2021-03-25 18:01:16,097 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 297 places, 375 transitions, 12316 flow [2021-03-25 18:01:16,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 297 places, 375 transitions, 12316 flow [2021-03-25 18:01:16,450 INFO L129 PetriNetUnfolder]: 139/2312 cut-off events. [2021-03-25 18:01:16,450 INFO L130 PetriNetUnfolder]: For 158888/159231 co-relation queries the response was YES. [2021-03-25 18:01:16,473 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19255 conditions, 2312 events. 139/2312 cut-off events. For 158888/159231 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32916 event pairs, 0 based on Foata normal form. 0/2236 useless extension candidates. Maximal degree in co-relation 19124. Up to 278 conditions per place. [2021-03-25 18:01:16,495 INFO L142 LiptonReduction]: Number of co-enabled transitions 2616 [2021-03-25 18:01:16,519 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:16,519 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:16,519 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 422 [2021-03-25 18:01:16,520 INFO L480 AbstractCegarLoop]: Abstraction has has 297 places, 375 transitions, 12316 flow [2021-03-25 18:01:16,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:16,520 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:16,520 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:16,520 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-03-25 18:01:16,520 INFO L428 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:16,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:16,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1792424652, now seen corresponding path program 32 times [2021-03-25 18:01:16,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:16,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21915774] [2021-03-25 18:01:16,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:16,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:16,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:16,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:16,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:16,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:16,538 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:01:16,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:01:16,548 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:16,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:16,561 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:01:16,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:01:16,578 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:16,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:16,601 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:16,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:16,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:16,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21915774] [2021-03-25 18:01:16,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:16,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:16,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617409334] [2021-03-25 18:01:16,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:16,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:16,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:16,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:16,625 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:16,625 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 375 transitions, 12316 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:16,626 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:16,626 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:16,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:17,317 INFO L129 PetriNetUnfolder]: 244/2514 cut-off events. [2021-03-25 18:01:17,318 INFO L130 PetriNetUnfolder]: For 173746/174436 co-relation queries the response was YES. [2021-03-25 18:01:17,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22310 conditions, 2514 events. 244/2514 cut-off events. For 173746/174436 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34394 event pairs, 105 based on Foata normal form. 32/2438 useless extension candidates. Maximal degree in co-relation 22178. Up to 404 conditions per place. [2021-03-25 18:01:17,351 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 148 selfloop transitions, 217 changer transitions 0/379 dead transitions. [2021-03-25 18:01:17,352 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 379 transitions, 13294 flow [2021-03-25 18:01:17,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:17,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:17,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:17,353 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:17,353 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:17,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:17,353 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:17,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:17,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:17,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:17,356 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:17,356 INFO L185 Difference]: Start difference. First operand has 297 places, 375 transitions, 12316 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:17,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 379 transitions, 13294 flow [2021-03-25 18:01:17,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 379 transitions, 12962 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 18:01:17,994 INFO L241 Difference]: Finished difference. Result has 302 places, 375 transitions, 12421 flow [2021-03-25 18:01:17,995 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11984, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=217, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12421, PETRI_PLACES=302, PETRI_TRANSITIONS=375} [2021-03-25 18:01:17,995 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 264 predicate places. [2021-03-25 18:01:17,995 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:17,995 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 302 places, 375 transitions, 12421 flow [2021-03-25 18:01:17,995 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 302 places, 375 transitions, 12421 flow [2021-03-25 18:01:18,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 302 places, 375 transitions, 12421 flow [2021-03-25 18:01:18,361 INFO L129 PetriNetUnfolder]: 139/2311 cut-off events. [2021-03-25 18:01:18,361 INFO L130 PetriNetUnfolder]: For 164690/165042 co-relation queries the response was YES. [2021-03-25 18:01:18,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19563 conditions, 2311 events. 139/2311 cut-off events. For 164690/165042 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32937 event pairs, 0 based on Foata normal form. 0/2229 useless extension candidates. Maximal degree in co-relation 19431. Up to 278 conditions per place. [2021-03-25 18:01:18,405 INFO L142 LiptonReduction]: Number of co-enabled transitions 2616 [2021-03-25 18:01:18,428 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:18,428 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:18,428 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 433 [2021-03-25 18:01:18,428 INFO L480 AbstractCegarLoop]: Abstraction has has 302 places, 375 transitions, 12421 flow [2021-03-25 18:01:18,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:18,428 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:18,429 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:18,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-03-25 18:01:18,429 INFO L428 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:18,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:18,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1111898804, now seen corresponding path program 33 times [2021-03-25 18:01:18,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:18,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473685475] [2021-03-25 18:01:18,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:18,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:18,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:18,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:18,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:18,450 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:01:18,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:01:18,459 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:18,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:18,472 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:01:18,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:01:18,489 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:18,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:18,512 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:18,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:18,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:18,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473685475] [2021-03-25 18:01:18,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:18,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:18,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982674900] [2021-03-25 18:01:18,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:18,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:18,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:18,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:18,536 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:18,536 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 375 transitions, 12421 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:18,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:18,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:18,536 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:19,189 INFO L129 PetriNetUnfolder]: 244/2513 cut-off events. [2021-03-25 18:01:19,189 INFO L130 PetriNetUnfolder]: For 180415/181101 co-relation queries the response was YES. [2021-03-25 18:01:19,215 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22616 conditions, 2513 events. 244/2513 cut-off events. For 180415/181101 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34386 event pairs, 105 based on Foata normal form. 30/2434 useless extension candidates. Maximal degree in co-relation 22483. Up to 394 conditions per place. [2021-03-25 18:01:19,221 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 159 selfloop transitions, 212 changer transitions 0/385 dead transitions. [2021-03-25 18:01:19,222 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 385 transitions, 13639 flow [2021-03-25 18:01:19,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:19,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:19,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:19,223 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:19,223 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:19,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:19,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:19,223 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:19,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:19,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:19,225 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:19,225 INFO L185 Difference]: Start difference. First operand has 302 places, 375 transitions, 12421 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:19,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 385 transitions, 13639 flow [2021-03-25 18:01:19,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 385 transitions, 13226 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-25 18:01:19,935 INFO L241 Difference]: Finished difference. Result has 307 places, 378 transitions, 12604 flow [2021-03-25 18:01:19,936 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12020, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=209, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12604, PETRI_PLACES=307, PETRI_TRANSITIONS=378} [2021-03-25 18:01:19,936 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 269 predicate places. [2021-03-25 18:01:19,936 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:19,936 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 307 places, 378 transitions, 12604 flow [2021-03-25 18:01:19,936 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 307 places, 378 transitions, 12604 flow [2021-03-25 18:01:19,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 307 places, 378 transitions, 12604 flow [2021-03-25 18:01:20,385 INFO L129 PetriNetUnfolder]: 139/2310 cut-off events. [2021-03-25 18:01:20,386 INFO L130 PetriNetUnfolder]: For 172040/172383 co-relation queries the response was YES. [2021-03-25 18:01:20,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19803 conditions, 2310 events. 139/2310 cut-off events. For 172040/172383 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32885 event pairs, 0 based on Foata normal form. 0/2234 useless extension candidates. Maximal degree in co-relation 19669. Up to 278 conditions per place. [2021-03-25 18:01:20,429 INFO L142 LiptonReduction]: Number of co-enabled transitions 2650 [2021-03-25 18:01:20,451 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:20,451 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:20,451 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 515 [2021-03-25 18:01:20,452 INFO L480 AbstractCegarLoop]: Abstraction has has 307 places, 378 transitions, 12604 flow [2021-03-25 18:01:20,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:20,452 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:20,452 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:20,452 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-03-25 18:01:20,452 INFO L428 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:20,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:20,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1093985606, now seen corresponding path program 34 times [2021-03-25 18:01:20,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:20,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358891323] [2021-03-25 18:01:20,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:20,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:20,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:20,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:20,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:20,474 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:01:20,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:01:20,483 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:20,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:20,496 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:01:20,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:01:20,514 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:20,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:20,544 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:20,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:20,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:20,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358891323] [2021-03-25 18:01:20,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:20,565 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:20,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700390851] [2021-03-25 18:01:20,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:20,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:20,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:20,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:20,568 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:20,568 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 378 transitions, 12604 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:20,568 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:20,568 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:20,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:21,224 INFO L129 PetriNetUnfolder]: 244/2512 cut-off events. [2021-03-25 18:01:21,224 INFO L130 PetriNetUnfolder]: For 187485/188179 co-relation queries the response was YES. [2021-03-25 18:01:21,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22854 conditions, 2512 events. 244/2512 cut-off events. For 187485/188179 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34356 event pairs, 105 based on Foata normal form. 30/2433 useless extension candidates. Maximal degree in co-relation 22719. Up to 394 conditions per place. [2021-03-25 18:01:21,255 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 165 selfloop transitions, 206 changer transitions 0/385 dead transitions. [2021-03-25 18:01:21,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 314 places, 385 transitions, 13700 flow [2021-03-25 18:01:21,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:21,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:21,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:21,256 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:21,256 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:21,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:21,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:21,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:21,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:21,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:21,258 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:21,259 INFO L185 Difference]: Start difference. First operand has 307 places, 378 transitions, 12604 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:21,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 314 places, 385 transitions, 13700 flow [2021-03-25 18:01:21,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 385 transitions, 13451 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-25 18:01:21,834 INFO L241 Difference]: Finished difference. Result has 313 places, 381 transitions, 12918 flow [2021-03-25 18:01:21,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12355, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=378, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=203, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12918, PETRI_PLACES=313, PETRI_TRANSITIONS=381} [2021-03-25 18:01:21,835 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 275 predicate places. [2021-03-25 18:01:21,835 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:21,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 313 places, 381 transitions, 12918 flow [2021-03-25 18:01:21,835 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 313 places, 381 transitions, 12918 flow [2021-03-25 18:01:21,839 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 313 places, 381 transitions, 12918 flow [2021-03-25 18:01:22,187 INFO L129 PetriNetUnfolder]: 139/2309 cut-off events. [2021-03-25 18:01:22,188 INFO L130 PetriNetUnfolder]: For 181477/181810 co-relation queries the response was YES. [2021-03-25 18:01:22,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20186 conditions, 2309 events. 139/2309 cut-off events. For 181477/181810 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32881 event pairs, 0 based on Foata normal form. 0/2234 useless extension candidates. Maximal degree in co-relation 20050. Up to 278 conditions per place. [2021-03-25 18:01:22,236 INFO L142 LiptonReduction]: Number of co-enabled transitions 2682 [2021-03-25 18:01:22,264 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:22,264 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:22,264 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 429 [2021-03-25 18:01:22,265 INFO L480 AbstractCegarLoop]: Abstraction has has 313 places, 381 transitions, 12918 flow [2021-03-25 18:01:22,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:22,265 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:22,265 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:22,265 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-03-25 18:01:22,265 INFO L428 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:22,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:22,265 INFO L82 PathProgramCache]: Analyzing trace with hash 768911008, now seen corresponding path program 35 times [2021-03-25 18:01:22,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:22,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652976364] [2021-03-25 18:01:22,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:22,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:22,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:22,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:22,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:22,282 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:01:22,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:01:22,290 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:22,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:22,302 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:01:22,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:01:22,322 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:22,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:22,347 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:22,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:22,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:22,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652976364] [2021-03-25 18:01:22,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:22,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:22,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436311675] [2021-03-25 18:01:22,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:22,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:22,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:22,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:22,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:22,368 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 381 transitions, 12918 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:22,368 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:22,368 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:22,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:23,015 INFO L129 PetriNetUnfolder]: 244/2511 cut-off events. [2021-03-25 18:01:23,015 INFO L130 PetriNetUnfolder]: For 196472/197186 co-relation queries the response was YES. [2021-03-25 18:01:23,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23235 conditions, 2511 events. 244/2511 cut-off events. For 196472/197186 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 34323 event pairs, 105 based on Foata normal form. 32/2434 useless extension candidates. Maximal degree in co-relation 23098. Up to 394 conditions per place. [2021-03-25 18:01:23,046 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 167 selfloop transitions, 204 changer transitions 0/385 dead transitions. [2021-03-25 18:01:23,046 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 385 transitions, 13932 flow [2021-03-25 18:01:23,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:23,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:23,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:23,048 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:23,048 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:23,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:23,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:23,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:23,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:23,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:23,049 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:23,049 INFO L185 Difference]: Start difference. First operand has 313 places, 381 transitions, 12918 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:23,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 320 places, 385 transitions, 13932 flow [2021-03-25 18:01:23,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 314 places, 385 transitions, 13439 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-25 18:01:23,888 INFO L241 Difference]: Finished difference. Result has 315 places, 381 transitions, 12836 flow [2021-03-25 18:01:23,888 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12425, PETRI_DIFFERENCE_MINUEND_PLACES=307, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12836, PETRI_PLACES=315, PETRI_TRANSITIONS=381} [2021-03-25 18:01:23,888 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 277 predicate places. [2021-03-25 18:01:23,888 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:23,889 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 315 places, 381 transitions, 12836 flow [2021-03-25 18:01:23,889 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 315 places, 381 transitions, 12836 flow [2021-03-25 18:01:23,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 315 places, 381 transitions, 12836 flow [2021-03-25 18:01:24,247 INFO L129 PetriNetUnfolder]: 139/2308 cut-off events. [2021-03-25 18:01:24,247 INFO L130 PetriNetUnfolder]: For 186658/186999 co-relation queries the response was YES. [2021-03-25 18:01:24,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20368 conditions, 2308 events. 139/2308 cut-off events. For 186658/186999 co-relation queries the response was YES. Maximal size of possible extension queue 436. Compared 32953 event pairs, 0 based on Foata normal form. 0/2232 useless extension candidates. Maximal degree in co-relation 20233. Up to 278 conditions per place. [2021-03-25 18:01:24,293 INFO L142 LiptonReduction]: Number of co-enabled transitions 2682 [2021-03-25 18:01:24,316 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:24,316 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:24,316 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 428 [2021-03-25 18:01:24,316 INFO L480 AbstractCegarLoop]: Abstraction has has 315 places, 381 transitions, 12836 flow [2021-03-25 18:01:24,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:24,316 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:24,316 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:24,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-03-25 18:01:24,316 INFO L428 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:24,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:24,317 INFO L82 PathProgramCache]: Analyzing trace with hash -854709530, now seen corresponding path program 36 times [2021-03-25 18:01:24,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:24,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934958338] [2021-03-25 18:01:24,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:24,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:24,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:24,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:24,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:24,339 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:01:24,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:01:24,348 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:01:24,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:01:24,359 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:24,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:24,376 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:24,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:24,397 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:24,399 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:24,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:24,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934958338] [2021-03-25 18:01:24,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:24,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:24,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227286489] [2021-03-25 18:01:24,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:24,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:24,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:24,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:24,421 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:24,421 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 381 transitions, 12836 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:24,421 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:24,421 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:24,421 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:25,087 INFO L129 PetriNetUnfolder]: 244/2510 cut-off events. [2021-03-25 18:01:25,087 INFO L130 PetriNetUnfolder]: For 202432/203138 co-relation queries the response was YES. [2021-03-25 18:01:25,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23415 conditions, 2510 events. 244/2510 cut-off events. For 202432/203138 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 34334 event pairs, 105 based on Foata normal form. 32/2433 useless extension candidates. Maximal degree in co-relation 23279. Up to 394 conditions per place. [2021-03-25 18:01:25,182 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 138 selfloop transitions, 180 changer transitions 53/385 dead transitions. [2021-03-25 18:01:25,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 385 transitions, 13858 flow [2021-03-25 18:01:25,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:25,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:25,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:25,184 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:25,184 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:25,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:25,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:25,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:25,185 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:25,189 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:25,190 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:25,190 INFO L185 Difference]: Start difference. First operand has 315 places, 381 transitions, 12836 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:25,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 385 transitions, 13858 flow [2021-03-25 18:01:26,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 385 transitions, 13477 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-25 18:01:26,136 INFO L241 Difference]: Finished difference. Result has 319 places, 328 transitions, 10537 flow [2021-03-25 18:01:26,137 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12455, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=381, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10537, PETRI_PLACES=319, PETRI_TRANSITIONS=328} [2021-03-25 18:01:26,137 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 281 predicate places. [2021-03-25 18:01:26,137 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:26,137 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 319 places, 328 transitions, 10537 flow [2021-03-25 18:01:26,137 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 319 places, 328 transitions, 10537 flow [2021-03-25 18:01:26,141 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 295 places, 328 transitions, 10537 flow [2021-03-25 18:01:26,531 INFO L129 PetriNetUnfolder]: 138/2153 cut-off events. [2021-03-25 18:01:26,531 INFO L130 PetriNetUnfolder]: For 185364/185680 co-relation queries the response was YES. [2021-03-25 18:01:26,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19053 conditions, 2153 events. 138/2153 cut-off events. For 185364/185680 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 30132 event pairs, 0 based on Foata normal form. 0/2084 useless extension candidates. Maximal degree in co-relation 18917. Up to 276 conditions per place. [2021-03-25 18:01:26,576 INFO L142 LiptonReduction]: Number of co-enabled transitions 2122 [2021-03-25 18:01:26,594 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:26,595 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:26,595 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 458 [2021-03-25 18:01:26,595 INFO L480 AbstractCegarLoop]: Abstraction has has 295 places, 328 transitions, 10537 flow [2021-03-25 18:01:26,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:26,595 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:26,595 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:26,595 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-03-25 18:01:26,596 INFO L428 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:26,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:26,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1024334096, now seen corresponding path program 37 times [2021-03-25 18:01:26,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:26,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418344665] [2021-03-25 18:01:26,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:26,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:26,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:26,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:26,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:26,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:26,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:26,621 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:26,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:26,644 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:01:26,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:01:26,673 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:26,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:26,697 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:26,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:26,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:26,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418344665] [2021-03-25 18:01:26,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:26,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:26,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136619651] [2021-03-25 18:01:26,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:26,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:26,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:26,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:26,720 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:26,721 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 328 transitions, 10537 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:26,721 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:26,721 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:26,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:27,359 INFO L129 PetriNetUnfolder]: 244/2515 cut-off events. [2021-03-25 18:01:27,359 INFO L130 PetriNetUnfolder]: For 214551/214987 co-relation queries the response was YES. [2021-03-25 18:01:27,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23338 conditions, 2515 events. 244/2515 cut-off events. For 214551/214987 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 34469 event pairs, 65 based on Foata normal form. 16/2421 useless extension candidates. Maximal degree in co-relation 23201. Up to 396 conditions per place. [2021-03-25 18:01:27,395 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 252 selfloop transitions, 121 changer transitions 1/388 dead transitions. [2021-03-25 18:01:27,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 388 transitions, 13303 flow [2021-03-25 18:01:27,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:27,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:27,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:27,396 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:27,396 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:27,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:27,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:27,396 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:27,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:27,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:27,397 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:27,398 INFO L185 Difference]: Start difference. First operand has 295 places, 328 transitions, 10537 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:27,398 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 388 transitions, 13303 flow [2021-03-25 18:01:28,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 261 places, 388 transitions, 12545 flow, removed 135 selfloop flow, removed 41 redundant places. [2021-03-25 18:01:28,033 INFO L241 Difference]: Finished difference. Result has 266 places, 341 transitions, 10790 flow [2021-03-25 18:01:28,033 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10042, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=10790, PETRI_PLACES=266, PETRI_TRANSITIONS=341} [2021-03-25 18:01:28,033 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 228 predicate places. [2021-03-25 18:01:28,033 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:28,033 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 266 places, 341 transitions, 10790 flow [2021-03-25 18:01:28,034 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 266 places, 341 transitions, 10790 flow [2021-03-25 18:01:28,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 341 transitions, 10790 flow [2021-03-25 18:01:28,378 INFO L129 PetriNetUnfolder]: 148/2310 cut-off events. [2021-03-25 18:01:28,379 INFO L130 PetriNetUnfolder]: For 73904/74324 co-relation queries the response was YES. [2021-03-25 18:01:28,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14946 conditions, 2310 events. 148/2310 cut-off events. For 73904/74324 co-relation queries the response was YES. Maximal size of possible extension queue 432. Compared 32795 event pairs, 0 based on Foata normal form. 1/2240 useless extension candidates. Maximal degree in co-relation 14839. Up to 296 conditions per place. [2021-03-25 18:01:28,424 INFO L142 LiptonReduction]: Number of co-enabled transitions 2266 [2021-03-25 18:01:28,444 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:28,444 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:28,444 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 411 [2021-03-25 18:01:28,444 INFO L480 AbstractCegarLoop]: Abstraction has has 265 places, 341 transitions, 10790 flow [2021-03-25 18:01:28,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:28,444 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:28,444 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:28,445 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-03-25 18:01:28,445 INFO L428 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:28,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:28,445 INFO L82 PathProgramCache]: Analyzing trace with hash -433736442, now seen corresponding path program 38 times [2021-03-25 18:01:28,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:28,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467436981] [2021-03-25 18:01:28,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:28,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:28,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:28,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:28,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:28,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:28,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:28,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:28,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:01:28,483 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:28,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:28,501 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:28,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:28,525 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:28,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:28,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:28,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467436981] [2021-03-25 18:01:28,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:28,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:28,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466801643] [2021-03-25 18:01:28,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:28,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:28,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:28,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:28,549 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:28,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 341 transitions, 10790 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:28,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:28,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:28,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:29,179 INFO L129 PetriNetUnfolder]: 243/2518 cut-off events. [2021-03-25 18:01:29,179 INFO L130 PetriNetUnfolder]: For 83397/83833 co-relation queries the response was YES. [2021-03-25 18:01:29,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17907 conditions, 2518 events. 243/2518 cut-off events. For 83397/83833 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 34443 event pairs, 69 based on Foata normal form. 20/2425 useless extension candidates. Maximal degree in co-relation 17799. Up to 411 conditions per place. [2021-03-25 18:01:29,206 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 196 selfloop transitions, 151 changer transitions 2/363 dead transitions. [2021-03-25 18:01:29,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 363 transitions, 12116 flow [2021-03-25 18:01:29,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:29,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:29,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:29,207 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:29,207 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:29,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:29,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:29,207 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:29,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:29,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:29,208 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:29,208 INFO L185 Difference]: Start difference. First operand has 265 places, 341 transitions, 10790 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:29,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 363 transitions, 12116 flow [2021-03-25 18:01:29,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 363 transitions, 12052 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-03-25 18:01:29,562 INFO L241 Difference]: Finished difference. Result has 274 places, 345 transitions, 11205 flow [2021-03-25 18:01:29,562 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=10734, PETRI_DIFFERENCE_MINUEND_PLACES=263, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=11205, PETRI_PLACES=274, PETRI_TRANSITIONS=345} [2021-03-25 18:01:29,562 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 236 predicate places. [2021-03-25 18:01:29,562 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:29,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 274 places, 345 transitions, 11205 flow [2021-03-25 18:01:29,562 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 274 places, 345 transitions, 11205 flow [2021-03-25 18:01:29,566 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 273 places, 345 transitions, 11205 flow [2021-03-25 18:01:29,854 INFO L129 PetriNetUnfolder]: 148/2311 cut-off events. [2021-03-25 18:01:29,854 INFO L130 PetriNetUnfolder]: For 77139/77513 co-relation queries the response was YES. [2021-03-25 18:01:29,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15296 conditions, 2311 events. 148/2311 cut-off events. For 77139/77513 co-relation queries the response was YES. Maximal size of possible extension queue 432. Compared 32653 event pairs, 0 based on Foata normal form. 4/2252 useless extension candidates. Maximal degree in co-relation 15186. Up to 296 conditions per place. [2021-03-25 18:01:29,893 INFO L142 LiptonReduction]: Number of co-enabled transitions 2314 [2021-03-25 18:01:29,912 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:29,912 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:29,913 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 351 [2021-03-25 18:01:29,913 INFO L480 AbstractCegarLoop]: Abstraction has has 273 places, 345 transitions, 11205 flow [2021-03-25 18:01:29,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:29,913 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:29,913 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:29,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-03-25 18:01:29,913 INFO L428 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:29,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:29,914 INFO L82 PathProgramCache]: Analyzing trace with hash 703165622, now seen corresponding path program 39 times [2021-03-25 18:01:29,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:29,914 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876322376] [2021-03-25 18:01:29,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:29,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:29,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:29,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:29,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:29,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:29,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:29,937 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:29,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:29,958 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:01:29,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:01:29,982 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:29,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:30,003 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:30,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:30,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876322376] [2021-03-25 18:01:30,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:30,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:30,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901803730] [2021-03-25 18:01:30,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:30,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:30,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:30,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:30,028 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:30,028 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 273 places, 345 transitions, 11205 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:30,028 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:30,028 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:30,029 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:30,608 INFO L129 PetriNetUnfolder]: 243/2546 cut-off events. [2021-03-25 18:01:30,608 INFO L130 PetriNetUnfolder]: For 88516/88929 co-relation queries the response was YES. [2021-03-25 18:01:30,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18455 conditions, 2546 events. 243/2546 cut-off events. For 88516/88929 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 34914 event pairs, 69 based on Foata normal form. 20/2454 useless extension candidates. Maximal degree in co-relation 18344. Up to 396 conditions per place. [2021-03-25 18:01:30,635 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 223 selfloop transitions, 154 changer transitions 1/392 dead transitions. [2021-03-25 18:01:30,635 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 392 transitions, 13507 flow [2021-03-25 18:01:30,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:30,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:30,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:30,638 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:30,638 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:30,638 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:30,638 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:30,638 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:30,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:30,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:30,639 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:30,639 INFO L185 Difference]: Start difference. First operand has 273 places, 345 transitions, 11205 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:30,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 392 transitions, 13507 flow [2021-03-25 18:01:31,012 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 392 transitions, 13323 flow, removed 19 selfloop flow, removed 4 redundant places. [2021-03-25 18:01:31,019 INFO L241 Difference]: Finished difference. Result has 281 places, 362 transitions, 12107 flow [2021-03-25 18:01:31,020 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11050, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12107, PETRI_PLACES=281, PETRI_TRANSITIONS=362} [2021-03-25 18:01:31,020 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 243 predicate places. [2021-03-25 18:01:31,020 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:31,020 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 281 places, 362 transitions, 12107 flow [2021-03-25 18:01:31,020 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 281 places, 362 transitions, 12107 flow [2021-03-25 18:01:31,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 280 places, 362 transitions, 12107 flow [2021-03-25 18:01:31,340 INFO L129 PetriNetUnfolder]: 151/2346 cut-off events. [2021-03-25 18:01:31,341 INFO L130 PetriNetUnfolder]: For 83345/83726 co-relation queries the response was YES. [2021-03-25 18:01:31,359 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15800 conditions, 2346 events. 151/2346 cut-off events. For 83345/83726 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 33236 event pairs, 0 based on Foata normal form. 3/2282 useless extension candidates. Maximal degree in co-relation 15687. Up to 302 conditions per place. [2021-03-25 18:01:31,380 INFO L142 LiptonReduction]: Number of co-enabled transitions 2508 [2021-03-25 18:01:31,400 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:31,400 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:31,400 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 380 [2021-03-25 18:01:31,401 INFO L480 AbstractCegarLoop]: Abstraction has has 280 places, 362 transitions, 12107 flow [2021-03-25 18:01:31,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,401 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:31,401 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:31,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-03-25 18:01:31,401 INFO L428 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:31,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:31,401 INFO L82 PathProgramCache]: Analyzing trace with hash -705201464, now seen corresponding path program 40 times [2021-03-25 18:01:31,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:31,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184061535] [2021-03-25 18:01:31,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:31,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:31,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:31,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:31,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:31,429 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:01:31,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:01:31,441 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:01:31,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:01:31,459 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:01:31,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:01:31,482 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:31,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:31,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:31,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184061535] [2021-03-25 18:01:31,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:31,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:31,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873305105] [2021-03-25 18:01:31,503 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:31,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:31,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:31,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:31,504 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:31,504 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 362 transitions, 12107 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:31,504 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:31,504 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:31,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:32,096 INFO L129 PetriNetUnfolder]: 242/2537 cut-off events. [2021-03-25 18:01:32,096 INFO L130 PetriNetUnfolder]: For 93197/93610 co-relation queries the response was YES. [2021-03-25 18:01:32,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18679 conditions, 2537 events. 242/2537 cut-off events. For 93197/93610 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 34799 event pairs, 69 based on Foata normal form. 23/2447 useless extension candidates. Maximal degree in co-relation 18565. Up to 390 conditions per place. [2021-03-25 18:01:32,125 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 189 selfloop transitions, 167 changer transitions 0/370 dead transitions. [2021-03-25 18:01:32,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 370 transitions, 13046 flow [2021-03-25 18:01:32,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:32,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:32,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:32,126 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:32,126 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:32,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:32,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:32,126 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:32,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:32,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:32,128 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:32,128 INFO L185 Difference]: Start difference. First operand has 280 places, 362 transitions, 12107 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:32,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 370 transitions, 13046 flow [2021-03-25 18:01:32,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 370 transitions, 12754 flow, removed 23 selfloop flow, removed 4 redundant places. [2021-03-25 18:01:32,636 INFO L241 Difference]: Finished difference. Result has 284 places, 362 transitions, 12160 flow [2021-03-25 18:01:32,637 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11823, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12160, PETRI_PLACES=284, PETRI_TRANSITIONS=362} [2021-03-25 18:01:32,637 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 246 predicate places. [2021-03-25 18:01:32,637 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:32,637 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 284 places, 362 transitions, 12160 flow [2021-03-25 18:01:32,637 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 284 places, 362 transitions, 12160 flow [2021-03-25 18:01:32,642 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 284 places, 362 transitions, 12160 flow [2021-03-25 18:01:32,946 INFO L129 PetriNetUnfolder]: 151/2345 cut-off events. [2021-03-25 18:01:32,946 INFO L130 PetriNetUnfolder]: For 81500/81983 co-relation queries the response was YES. [2021-03-25 18:01:32,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15913 conditions, 2345 events. 151/2345 cut-off events. For 81500/81983 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 33203 event pairs, 0 based on Foata normal form. 2/2279 useless extension candidates. Maximal degree in co-relation 15800. Up to 302 conditions per place. [2021-03-25 18:01:32,987 INFO L142 LiptonReduction]: Number of co-enabled transitions 2508 [2021-03-25 18:01:33,007 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:33,008 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:33,008 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 371 [2021-03-25 18:01:33,008 INFO L480 AbstractCegarLoop]: Abstraction has has 284 places, 362 transitions, 12160 flow [2021-03-25 18:01:33,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:33,008 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:33,008 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:33,009 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-03-25 18:01:33,009 INFO L428 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:33,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:33,009 INFO L82 PathProgramCache]: Analyzing trace with hash 184289042, now seen corresponding path program 41 times [2021-03-25 18:01:33,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:33,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949433516] [2021-03-25 18:01:33,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:33,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:33,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:33,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:33,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:33,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:33,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:33,033 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:01:33,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:01:33,046 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:01:33,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:01:33,063 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:01:33,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:01:33,085 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:33,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:33,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:33,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949433516] [2021-03-25 18:01:33,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:33,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:33,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989625669] [2021-03-25 18:01:33,107 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:33,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:33,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:33,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:33,107 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:33,108 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 362 transitions, 12160 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:33,108 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:33,108 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:33,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:33,719 INFO L129 PetriNetUnfolder]: 242/2536 cut-off events. [2021-03-25 18:01:33,719 INFO L130 PetriNetUnfolder]: For 91202/91615 co-relation queries the response was YES. [2021-03-25 18:01:33,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18805 conditions, 2536 events. 242/2536 cut-off events. For 91202/91615 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 34785 event pairs, 69 based on Foata normal form. 23/2446 useless extension candidates. Maximal degree in co-relation 18691. Up to 390 conditions per place. [2021-03-25 18:01:33,747 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 191 selfloop transitions, 165 changer transitions 0/370 dead transitions. [2021-03-25 18:01:33,747 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 370 transitions, 13099 flow [2021-03-25 18:01:33,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:33,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:33,748 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:33,748 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:33,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:33,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:33,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:33,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:33,749 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:33,749 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:33,749 INFO L185 Difference]: Start difference. First operand has 284 places, 362 transitions, 12160 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:33,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 370 transitions, 13099 flow [2021-03-25 18:01:34,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 287 places, 370 transitions, 12774 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-25 18:01:34,225 INFO L241 Difference]: Finished difference. Result has 288 places, 362 transitions, 12168 flow [2021-03-25 18:01:34,225 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11835, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12168, PETRI_PLACES=288, PETRI_TRANSITIONS=362} [2021-03-25 18:01:34,226 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 250 predicate places. [2021-03-25 18:01:34,226 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:34,226 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 288 places, 362 transitions, 12168 flow [2021-03-25 18:01:34,226 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 288 places, 362 transitions, 12168 flow [2021-03-25 18:01:34,230 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 288 places, 362 transitions, 12168 flow [2021-03-25 18:01:34,539 INFO L129 PetriNetUnfolder]: 151/2344 cut-off events. [2021-03-25 18:01:34,539 INFO L130 PetriNetUnfolder]: For 83741/84110 co-relation queries the response was YES. [2021-03-25 18:01:34,560 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16159 conditions, 2344 events. 151/2344 cut-off events. For 83741/84110 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 33270 event pairs, 0 based on Foata normal form. 3/2280 useless extension candidates. Maximal degree in co-relation 16045. Up to 302 conditions per place. [2021-03-25 18:01:34,583 INFO L142 LiptonReduction]: Number of co-enabled transitions 2508 [2021-03-25 18:01:34,604 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:34,604 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:34,604 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 378 [2021-03-25 18:01:34,604 INFO L480 AbstractCegarLoop]: Abstraction has has 288 places, 362 transitions, 12168 flow [2021-03-25 18:01:34,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:34,604 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:34,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:34,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-03-25 18:01:34,605 INFO L428 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:34,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:34,605 INFO L82 PathProgramCache]: Analyzing trace with hash -215487928, now seen corresponding path program 42 times [2021-03-25 18:01:34,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:34,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756909186] [2021-03-25 18:01:34,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:34,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:34,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:34,615 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:34,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:34,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:34,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:34,639 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:01:34,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:01:34,655 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:01:34,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:01:34,672 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:34,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:34,698 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:34,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:34,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:34,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756909186] [2021-03-25 18:01:34,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:34,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:34,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929096224] [2021-03-25 18:01:34,719 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:34,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:34,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:34,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:34,720 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:34,720 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 362 transitions, 12168 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:34,720 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:34,720 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:34,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:35,357 INFO L129 PetriNetUnfolder]: 242/2535 cut-off events. [2021-03-25 18:01:35,357 INFO L130 PetriNetUnfolder]: For 94062/94477 co-relation queries the response was YES. [2021-03-25 18:01:35,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19049 conditions, 2535 events. 242/2535 cut-off events. For 94062/94477 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 34796 event pairs, 69 based on Foata normal form. 24/2446 useless extension candidates. Maximal degree in co-relation 18934. Up to 390 conditions per place. [2021-03-25 18:01:35,385 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 190 selfloop transitions, 166 changer transitions 0/370 dead transitions. [2021-03-25 18:01:35,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 370 transitions, 13115 flow [2021-03-25 18:01:35,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:35,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:35,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:35,386 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:35,386 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:35,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:35,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:35,386 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:35,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:35,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:35,388 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:35,388 INFO L185 Difference]: Start difference. First operand has 288 places, 362 transitions, 12168 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:35,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 370 transitions, 13115 flow [2021-03-25 18:01:35,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 370 transitions, 12840 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-03-25 18:01:35,877 INFO L241 Difference]: Finished difference. Result has 294 places, 363 transitions, 12284 flow [2021-03-25 18:01:35,877 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11893, PETRI_DIFFERENCE_MINUEND_PLACES=285, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12284, PETRI_PLACES=294, PETRI_TRANSITIONS=363} [2021-03-25 18:01:35,878 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 256 predicate places. [2021-03-25 18:01:35,878 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:35,878 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 294 places, 363 transitions, 12284 flow [2021-03-25 18:01:35,878 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 294 places, 363 transitions, 12284 flow [2021-03-25 18:01:35,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 294 places, 363 transitions, 12284 flow [2021-03-25 18:01:36,202 INFO L129 PetriNetUnfolder]: 151/2343 cut-off events. [2021-03-25 18:01:36,203 INFO L130 PetriNetUnfolder]: For 86634/87062 co-relation queries the response was YES. [2021-03-25 18:01:36,223 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16454 conditions, 2343 events. 151/2343 cut-off events. For 86634/87062 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 33244 event pairs, 0 based on Foata normal form. 2/2279 useless extension candidates. Maximal degree in co-relation 16338. Up to 302 conditions per place. [2021-03-25 18:01:36,245 INFO L142 LiptonReduction]: Number of co-enabled transitions 2522 [2021-03-25 18:01:36,266 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:36,266 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:36,266 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 388 [2021-03-25 18:01:36,266 INFO L480 AbstractCegarLoop]: Abstraction has has 294 places, 363 transitions, 12284 flow [2021-03-25 18:01:36,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:36,266 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:36,266 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:36,266 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-03-25 18:01:36,266 INFO L428 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:36,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:36,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1998116454, now seen corresponding path program 43 times [2021-03-25 18:01:36,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:36,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997272171] [2021-03-25 18:01:36,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:36,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:36,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:36,278 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:36,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:36,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:36,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:36,294 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:01:36,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:01:36,306 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:01:36,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:01:36,323 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:36,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:36,345 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:36,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:36,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:36,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997272171] [2021-03-25 18:01:36,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:36,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:36,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301919963] [2021-03-25 18:01:36,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:36,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:36,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:36,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:36,367 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:36,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 363 transitions, 12284 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:36,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:36,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:36,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:36,995 INFO L129 PetriNetUnfolder]: 242/2534 cut-off events. [2021-03-25 18:01:36,995 INFO L130 PetriNetUnfolder]: For 97356/97771 co-relation queries the response was YES. [2021-03-25 18:01:37,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19342 conditions, 2534 events. 242/2534 cut-off events. For 97356/97771 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 34756 event pairs, 69 based on Foata normal form. 24/2445 useless extension candidates. Maximal degree in co-relation 19225. Up to 390 conditions per place. [2021-03-25 18:01:37,023 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 187 selfloop transitions, 169 changer transitions 0/370 dead transitions. [2021-03-25 18:01:37,023 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 301 places, 370 transitions, 13200 flow [2021-03-25 18:01:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:37,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:37,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:37,024 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:37,024 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:37,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:37,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:37,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:37,025 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:37,026 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:37,026 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:37,026 INFO L185 Difference]: Start difference. First operand has 294 places, 363 transitions, 12284 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:37,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 301 places, 370 transitions, 13200 flow [2021-03-25 18:01:37,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 370 transitions, 12880 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-25 18:01:37,487 INFO L241 Difference]: Finished difference. Result has 299 places, 364 transitions, 12401 flow [2021-03-25 18:01:37,488 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11964, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12401, PETRI_PLACES=299, PETRI_TRANSITIONS=364} [2021-03-25 18:01:37,488 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 261 predicate places. [2021-03-25 18:01:37,488 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:37,488 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 299 places, 364 transitions, 12401 flow [2021-03-25 18:01:37,488 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 299 places, 364 transitions, 12401 flow [2021-03-25 18:01:37,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 364 transitions, 12401 flow [2021-03-25 18:01:37,822 INFO L129 PetriNetUnfolder]: 151/2342 cut-off events. [2021-03-25 18:01:37,823 INFO L130 PetriNetUnfolder]: For 91363/91756 co-relation queries the response was YES. [2021-03-25 18:01:37,844 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16748 conditions, 2342 events. 151/2342 cut-off events. For 91363/91756 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 33176 event pairs, 0 based on Foata normal form. 5/2280 useless extension candidates. Maximal degree in co-relation 16630. Up to 302 conditions per place. [2021-03-25 18:01:37,867 INFO L142 LiptonReduction]: Number of co-enabled transitions 2536 [2021-03-25 18:01:37,888 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:37,888 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:37,888 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 400 [2021-03-25 18:01:37,889 INFO L480 AbstractCegarLoop]: Abstraction has has 299 places, 364 transitions, 12401 flow [2021-03-25 18:01:37,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:37,889 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:37,889 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:37,889 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-03-25 18:01:37,889 INFO L428 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:37,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:37,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1552148344, now seen corresponding path program 44 times [2021-03-25 18:01:37,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:37,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103905764] [2021-03-25 18:01:37,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:37,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:37,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:37,901 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:37,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:37,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:37,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:37,913 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:01:37,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:01:37,926 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:01:37,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:01:37,943 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:37,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:37,965 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:37,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:37,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:37,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103905764] [2021-03-25 18:01:37,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:37,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:37,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807637748] [2021-03-25 18:01:37,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:37,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:37,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:37,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:37,986 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:37,986 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 364 transitions, 12401 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:37,986 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:37,986 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:37,986 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:38,586 INFO L129 PetriNetUnfolder]: 242/2533 cut-off events. [2021-03-25 18:01:38,586 INFO L130 PetriNetUnfolder]: For 101965/102454 co-relation queries the response was YES. [2021-03-25 18:01:38,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19634 conditions, 2533 events. 242/2533 cut-off events. For 101965/102454 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 34757 event pairs, 69 based on Foata normal form. 27/2448 useless extension candidates. Maximal degree in co-relation 19515. Up to 390 conditions per place. [2021-03-25 18:01:38,615 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 185 selfloop transitions, 163 changer transitions 8/370 dead transitions. [2021-03-25 18:01:38,615 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 306 places, 370 transitions, 13289 flow [2021-03-25 18:01:38,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:38,616 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:38,616 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:38,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:38,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:38,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:38,617 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:38,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:38,618 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:38,618 INFO L185 Difference]: Start difference. First operand has 299 places, 364 transitions, 12401 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:38,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 306 places, 370 transitions, 13289 flow [2021-03-25 18:01:39,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 370 transitions, 13024 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-25 18:01:39,097 INFO L241 Difference]: Finished difference. Result has 304 places, 356 transitions, 12087 flow [2021-03-25 18:01:39,097 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12136, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=163, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12087, PETRI_PLACES=304, PETRI_TRANSITIONS=356} [2021-03-25 18:01:39,097 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 266 predicate places. [2021-03-25 18:01:39,098 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:39,098 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 304 places, 356 transitions, 12087 flow [2021-03-25 18:01:39,098 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 304 places, 356 transitions, 12087 flow [2021-03-25 18:01:39,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 298 places, 356 transitions, 12087 flow [2021-03-25 18:01:39,403 INFO L129 PetriNetUnfolder]: 150/2304 cut-off events. [2021-03-25 18:01:39,403 INFO L130 PetriNetUnfolder]: For 91968/92386 co-relation queries the response was YES. [2021-03-25 18:01:39,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16634 conditions, 2304 events. 150/2304 cut-off events. For 91968/92386 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 32564 event pairs, 0 based on Foata normal form. 2/2245 useless extension candidates. Maximal degree in co-relation 16515. Up to 300 conditions per place. [2021-03-25 18:01:39,444 INFO L142 LiptonReduction]: Number of co-enabled transitions 2438 [2021-03-25 18:01:39,464 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:39,464 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:39,464 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 366 [2021-03-25 18:01:39,464 INFO L480 AbstractCegarLoop]: Abstraction has has 298 places, 356 transitions, 12087 flow [2021-03-25 18:01:39,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:39,464 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:39,464 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:39,465 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-03-25 18:01:39,465 INFO L428 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:39,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:39,465 INFO L82 PathProgramCache]: Analyzing trace with hash -669860520, now seen corresponding path program 45 times [2021-03-25 18:01:39,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:39,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286570643] [2021-03-25 18:01:39,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:39,484 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:39,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:39,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:39,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:39,497 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:39,497 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:39,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:39,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:01:39,513 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:01:39,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:01:39,564 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:39,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:39,591 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:39,592 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:39,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:39,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286570643] [2021-03-25 18:01:39,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:39,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:39,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234800505] [2021-03-25 18:01:39,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:39,616 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:39,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:39,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:39,617 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:39,617 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 356 transitions, 12087 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:39,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:39,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:39,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:40,190 INFO L129 PetriNetUnfolder]: 241/2495 cut-off events. [2021-03-25 18:01:40,190 INFO L130 PetriNetUnfolder]: For 102976/103352 co-relation queries the response was YES. [2021-03-25 18:01:40,212 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19502 conditions, 2495 events. 241/2495 cut-off events. For 102976/103352 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 34109 event pairs, 69 based on Foata normal form. 21/2410 useless extension candidates. Maximal degree in co-relation 19382. Up to 406 conditions per place. [2021-03-25 18:01:40,218 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 201 selfloop transitions, 151 changer transitions 2/368 dead transitions. [2021-03-25 18:01:40,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 368 transitions, 13202 flow [2021-03-25 18:01:40,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:40,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:40,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:40,219 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:40,219 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:40,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:40,219 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:40,219 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:40,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:40,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:40,220 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:40,220 INFO L185 Difference]: Start difference. First operand has 298 places, 356 transitions, 12087 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:40,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 368 transitions, 13202 flow [2021-03-25 18:01:40,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 368 transitions, 12826 flow, removed 30 selfloop flow, removed 10 redundant places. [2021-03-25 18:01:40,642 INFO L241 Difference]: Finished difference. Result has 298 places, 357 transitions, 12153 flow [2021-03-25 18:01:40,643 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11766, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12153, PETRI_PLACES=298, PETRI_TRANSITIONS=357} [2021-03-25 18:01:40,643 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 260 predicate places. [2021-03-25 18:01:40,643 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:40,643 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 298 places, 357 transitions, 12153 flow [2021-03-25 18:01:40,643 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 298 places, 357 transitions, 12153 flow [2021-03-25 18:01:40,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 297 places, 357 transitions, 12153 flow [2021-03-25 18:01:40,952 INFO L129 PetriNetUnfolder]: 149/2294 cut-off events. [2021-03-25 18:01:40,952 INFO L130 PetriNetUnfolder]: For 77882/78307 co-relation queries the response was YES. [2021-03-25 18:01:40,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15438 conditions, 2294 events. 149/2294 cut-off events. For 77882/78307 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 32351 event pairs, 0 based on Foata normal form. 2/2238 useless extension candidates. Maximal degree in co-relation 15322. Up to 298 conditions per place. [2021-03-25 18:01:40,992 INFO L142 LiptonReduction]: Number of co-enabled transitions 2454 [2021-03-25 18:01:41,012 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:41,012 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:41,012 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 369 [2021-03-25 18:01:41,012 INFO L480 AbstractCegarLoop]: Abstraction has has 297 places, 357 transitions, 12153 flow [2021-03-25 18:01:41,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:41,012 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:41,013 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:41,013 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-03-25 18:01:41,013 INFO L428 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:41,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:41,013 INFO L82 PathProgramCache]: Analyzing trace with hash 2117147140, now seen corresponding path program 46 times [2021-03-25 18:01:41,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:41,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053623120] [2021-03-25 18:01:41,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:41,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:41,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:41,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:41,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:41,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:41,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:41,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:41,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:01:41,049 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-25 18:01:41,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 18:01:41,077 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:41,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:41,098 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:41,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:41,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:41,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053623120] [2021-03-25 18:01:41,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:41,119 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:41,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792700644] [2021-03-25 18:01:41,120 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:41,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:41,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:41,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:41,121 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:41,121 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 357 transitions, 12153 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:41,121 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:41,121 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:41,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:41,769 INFO L129 PetriNetUnfolder]: 239/2695 cut-off events. [2021-03-25 18:01:41,769 INFO L130 PetriNetUnfolder]: For 94066/94444 co-relation queries the response was YES. [2021-03-25 18:01:41,793 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19633 conditions, 2695 events. 239/2695 cut-off events. For 94066/94444 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 37623 event pairs, 57 based on Foata normal form. 15/2599 useless extension candidates. Maximal degree in co-relation 19516. Up to 434 conditions per place. [2021-03-25 18:01:41,798 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 293 selfloop transitions, 127 changer transitions 2/436 dead transitions. [2021-03-25 18:01:41,799 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 436 transitions, 15764 flow [2021-03-25 18:01:41,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:41,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:41,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:41,800 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:41,800 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:41,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:41,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:41,800 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:41,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:41,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:41,801 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:41,801 INFO L185 Difference]: Start difference. First operand has 297 places, 357 transitions, 12153 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:41,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 436 transitions, 15764 flow [2021-03-25 18:01:42,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 436 transitions, 15437 flow, removed 22 selfloop flow, removed 6 redundant places. [2021-03-25 18:01:42,286 INFO L241 Difference]: Finished difference. Result has 303 places, 373 transitions, 12848 flow [2021-03-25 18:01:42,286 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=11886, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=12848, PETRI_PLACES=303, PETRI_TRANSITIONS=373} [2021-03-25 18:01:42,286 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 265 predicate places. [2021-03-25 18:01:42,286 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:42,286 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 373 transitions, 12848 flow [2021-03-25 18:01:42,287 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 373 transitions, 12848 flow [2021-03-25 18:01:42,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 302 places, 373 transitions, 12848 flow [2021-03-25 18:01:42,667 INFO L129 PetriNetUnfolder]: 165/2552 cut-off events. [2021-03-25 18:01:42,667 INFO L130 PetriNetUnfolder]: For 90321/90550 co-relation queries the response was YES. [2021-03-25 18:01:42,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17443 conditions, 2552 events. 165/2552 cut-off events. For 90321/90550 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 36774 event pairs, 0 based on Foata normal form. 0/2494 useless extension candidates. Maximal degree in co-relation 17325. Up to 330 conditions per place. [2021-03-25 18:01:42,711 INFO L142 LiptonReduction]: Number of co-enabled transitions 2588 [2021-03-25 18:01:42,732 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:42,732 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:42,732 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 446 [2021-03-25 18:01:42,732 INFO L480 AbstractCegarLoop]: Abstraction has has 302 places, 373 transitions, 12848 flow [2021-03-25 18:01:42,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:42,732 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:42,733 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:42,733 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-03-25 18:01:42,733 INFO L428 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:42,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:42,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1351111734, now seen corresponding path program 47 times [2021-03-25 18:01:42,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:42,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254185463] [2021-03-25 18:01:42,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:42,750 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:42,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:42,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:42,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:42,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:42,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:42,764 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:42,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:42,786 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-25 18:01:42,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 18:01:42,815 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:42,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:42,838 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:42,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:42,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:42,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254185463] [2021-03-25 18:01:42,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:42,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:42,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644091154] [2021-03-25 18:01:42,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:42,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:42,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:42,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:42,862 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:42,862 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 373 transitions, 12848 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:42,862 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:42,862 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:42,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:43,504 INFO L129 PetriNetUnfolder]: 237/2723 cut-off events. [2021-03-25 18:01:43,505 INFO L130 PetriNetUnfolder]: For 98988/99409 co-relation queries the response was YES. [2021-03-25 18:01:43,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20042 conditions, 2723 events. 237/2723 cut-off events. For 98988/99409 co-relation queries the response was YES. Maximal size of possible extension queue 488. Compared 38221 event pairs, 69 based on Foata normal form. 22/2637 useless extension candidates. Maximal degree in co-relation 19923. Up to 426 conditions per place. [2021-03-25 18:01:43,536 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 219 selfloop transitions, 166 changer transitions 2/401 dead transitions. [2021-03-25 18:01:43,536 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 401 transitions, 14590 flow [2021-03-25 18:01:43,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:43,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:43,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:43,537 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:43,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:43,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:43,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:43,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:43,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:43,539 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:43,539 INFO L185 Difference]: Start difference. First operand has 302 places, 373 transitions, 12848 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:43,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 401 transitions, 14590 flow [2021-03-25 18:01:44,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 401 transitions, 14437 flow, removed 20 selfloop flow, removed 4 redundant places. [2021-03-25 18:01:44,085 INFO L241 Difference]: Finished difference. Result has 309 places, 377 transitions, 13274 flow [2021-03-25 18:01:44,086 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=12711, PETRI_DIFFERENCE_MINUEND_PLACES=298, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=13274, PETRI_PLACES=309, PETRI_TRANSITIONS=377} [2021-03-25 18:01:44,086 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 271 predicate places. [2021-03-25 18:01:44,086 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:44,086 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 309 places, 377 transitions, 13274 flow [2021-03-25 18:01:44,086 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 309 places, 377 transitions, 13274 flow [2021-03-25 18:01:44,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 308 places, 377 transitions, 13274 flow [2021-03-25 18:01:44,445 INFO L129 PetriNetUnfolder]: 167/2588 cut-off events. [2021-03-25 18:01:44,445 INFO L130 PetriNetUnfolder]: For 94159/94406 co-relation queries the response was YES. [2021-03-25 18:01:44,468 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18011 conditions, 2588 events. 167/2588 cut-off events. For 94159/94406 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 37395 event pairs, 0 based on Foata normal form. 0/2523 useless extension candidates. Maximal degree in co-relation 17891. Up to 334 conditions per place. [2021-03-25 18:01:44,492 INFO L142 LiptonReduction]: Number of co-enabled transitions 2638 [2021-03-25 18:01:44,514 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:44,514 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:44,514 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 428 [2021-03-25 18:01:44,515 INFO L480 AbstractCegarLoop]: Abstraction has has 308 places, 377 transitions, 13274 flow [2021-03-25 18:01:44,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:44,515 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:44,515 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:44,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-03-25 18:01:44,515 INFO L428 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:44,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:44,516 INFO L82 PathProgramCache]: Analyzing trace with hash 977850520, now seen corresponding path program 48 times [2021-03-25 18:01:44,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:44,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933470049] [2021-03-25 18:01:44,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:44,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:44,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:44,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:44,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:44,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:44,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:44,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:44,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:01:44,557 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-25 18:01:44,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 18:01:44,587 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:44,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:44,609 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:44,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:44,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:44,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933470049] [2021-03-25 18:01:44,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:44,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:44,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696945131] [2021-03-25 18:01:44,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:44,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:44,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:44,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:44,633 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:44,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 377 transitions, 13274 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:44,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:44,633 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:44,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:45,373 INFO L129 PetriNetUnfolder]: 236/2713 cut-off events. [2021-03-25 18:01:45,373 INFO L130 PetriNetUnfolder]: For 101199/101593 co-relation queries the response was YES. [2021-03-25 18:01:45,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20287 conditions, 2713 events. 236/2713 cut-off events. For 101199/101593 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 38010 event pairs, 69 based on Foata normal form. 22/2621 useless extension candidates. Maximal degree in co-relation 20166. Up to 443 conditions per place. [2021-03-25 18:01:45,398 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 246 selfloop transitions, 157 changer transitions 2/419 dead transitions. [2021-03-25 18:01:45,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 419 transitions, 15589 flow [2021-03-25 18:01:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:45,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:45,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:45,400 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:45,400 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:45,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:45,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:45,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:45,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:45,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:45,401 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:45,401 INFO L185 Difference]: Start difference. First operand has 308 places, 377 transitions, 13274 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:45,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 419 transitions, 15589 flow [2021-03-25 18:01:45,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 311 places, 419 transitions, 15404 flow, removed 12 selfloop flow, removed 4 redundant places. [2021-03-25 18:01:45,868 INFO L241 Difference]: Finished difference. Result has 316 places, 391 transitions, 14134 flow [2021-03-25 18:01:45,869 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13112, PETRI_DIFFERENCE_MINUEND_PLACES=304, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14134, PETRI_PLACES=316, PETRI_TRANSITIONS=391} [2021-03-25 18:01:45,869 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 278 predicate places. [2021-03-25 18:01:45,869 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:45,869 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 316 places, 391 transitions, 14134 flow [2021-03-25 18:01:45,869 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 316 places, 391 transitions, 14134 flow [2021-03-25 18:01:45,874 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 315 places, 391 transitions, 14134 flow [2021-03-25 18:01:46,247 INFO L129 PetriNetUnfolder]: 166/2578 cut-off events. [2021-03-25 18:01:46,247 INFO L130 PetriNetUnfolder]: For 100481/100696 co-relation queries the response was YES. [2021-03-25 18:01:46,271 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18240 conditions, 2578 events. 166/2578 cut-off events. For 100481/100696 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 37231 event pairs, 0 based on Foata normal form. 0/2520 useless extension candidates. Maximal degree in co-relation 18117. Up to 332 conditions per place. [2021-03-25 18:01:46,295 INFO L142 LiptonReduction]: Number of co-enabled transitions 2776 [2021-03-25 18:01:46,319 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:46,319 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:46,319 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 450 [2021-03-25 18:01:46,320 INFO L480 AbstractCegarLoop]: Abstraction has has 315 places, 391 transitions, 14134 flow [2021-03-25 18:01:46,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:46,320 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:46,320 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:46,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-03-25 18:01:46,320 INFO L428 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:46,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:46,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1740840540, now seen corresponding path program 49 times [2021-03-25 18:01:46,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:46,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565142542] [2021-03-25 18:01:46,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:46,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:46,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:46,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:46,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:46,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:46,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:46,344 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:46,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:46,365 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:01:46,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:01:46,390 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:01:46,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:01:46,413 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:46,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:46,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:46,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565142542] [2021-03-25 18:01:46,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:46,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:46,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352625944] [2021-03-25 18:01:46,435 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:46,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:46,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:46,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:46,436 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:46,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 391 transitions, 14134 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:46,436 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:46,436 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:46,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:47,285 INFO L129 PetriNetUnfolder]: 235/2703 cut-off events. [2021-03-25 18:01:47,285 INFO L130 PetriNetUnfolder]: For 107510/107992 co-relation queries the response was YES. [2021-03-25 18:01:47,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20523 conditions, 2703 events. 235/2703 cut-off events. For 107510/107992 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 37856 event pairs, 69 based on Foata normal form. 25/2619 useless extension candidates. Maximal degree in co-relation 20399. Up to 426 conditions per place. [2021-03-25 18:01:47,317 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 218 selfloop transitions, 176 changer transitions 3/411 dead transitions. [2021-03-25 18:01:47,317 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 411 transitions, 15626 flow [2021-03-25 18:01:47,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:47,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:47,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:47,318 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:47,318 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:47,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:47,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:47,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:47,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:47,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:47,319 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:47,319 INFO L185 Difference]: Start difference. First operand has 315 places, 391 transitions, 14134 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:47,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 411 transitions, 15626 flow [2021-03-25 18:01:47,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 318 places, 411 transitions, 15430 flow, removed 24 selfloop flow, removed 4 redundant places. [2021-03-25 18:01:47,938 INFO L241 Difference]: Finished difference. Result has 320 places, 390 transitions, 14290 flow [2021-03-25 18:01:47,938 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13948, PETRI_DIFFERENCE_MINUEND_PLACES=311, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=175, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=215, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14290, PETRI_PLACES=320, PETRI_TRANSITIONS=390} [2021-03-25 18:01:47,938 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 282 predicate places. [2021-03-25 18:01:47,939 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:47,939 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 320 places, 390 transitions, 14290 flow [2021-03-25 18:01:47,939 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 320 places, 390 transitions, 14290 flow [2021-03-25 18:01:47,944 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 319 places, 390 transitions, 14290 flow [2021-03-25 18:01:48,316 INFO L129 PetriNetUnfolder]: 165/2566 cut-off events. [2021-03-25 18:01:48,316 INFO L130 PetriNetUnfolder]: For 100029/100254 co-relation queries the response was YES. [2021-03-25 18:01:48,396 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18345 conditions, 2566 events. 165/2566 cut-off events. For 100029/100254 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 36967 event pairs, 0 based on Foata normal form. 0/2506 useless extension candidates. Maximal degree in co-relation 18222. Up to 330 conditions per place. [2021-03-25 18:01:48,417 INFO L142 LiptonReduction]: Number of co-enabled transitions 2760 [2021-03-25 18:01:48,441 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:48,441 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:48,441 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 502 [2021-03-25 18:01:48,442 INFO L480 AbstractCegarLoop]: Abstraction has has 319 places, 390 transitions, 14290 flow [2021-03-25 18:01:48,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:48,442 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:48,442 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:48,442 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-03-25 18:01:48,442 INFO L428 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:48,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:48,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1986280744, now seen corresponding path program 50 times [2021-03-25 18:01:48,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:48,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742159839] [2021-03-25 18:01:48,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:48,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:48,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:48,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:48,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:48,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:48,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:48,465 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:48,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:48,485 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-25 18:01:48,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 18:01:48,516 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:48,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:48,538 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:48,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:48,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742159839] [2021-03-25 18:01:48,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:48,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:48,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255985205] [2021-03-25 18:01:48,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:48,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:48,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:48,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:48,561 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:48,561 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 319 places, 390 transitions, 14290 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:48,561 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:48,562 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:48,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:49,229 INFO L129 PetriNetUnfolder]: 234/2691 cut-off events. [2021-03-25 18:01:49,230 INFO L130 PetriNetUnfolder]: For 107407/107889 co-relation queries the response was YES. [2021-03-25 18:01:49,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20623 conditions, 2691 events. 234/2691 cut-off events. For 107407/107889 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 37673 event pairs, 69 based on Foata normal form. 25/2607 useless extension candidates. Maximal degree in co-relation 20499. Up to 426 conditions per place. [2021-03-25 18:01:49,262 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 222 selfloop transitions, 172 changer transitions 2/410 dead transitions. [2021-03-25 18:01:49,262 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 410 transitions, 15776 flow [2021-03-25 18:01:49,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:49,263 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:49,263 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:49,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:49,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:49,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:49,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:49,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:49,264 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:49,264 INFO L185 Difference]: Start difference. First operand has 319 places, 390 transitions, 14290 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:49,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 326 places, 410 transitions, 15776 flow [2021-03-25 18:01:49,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 321 places, 410 transitions, 15433 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-25 18:01:49,854 INFO L241 Difference]: Finished difference. Result has 323 places, 390 transitions, 14306 flow [2021-03-25 18:01:49,855 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=13955, PETRI_DIFFERENCE_MINUEND_PLACES=314, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14306, PETRI_PLACES=323, PETRI_TRANSITIONS=390} [2021-03-25 18:01:49,855 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 285 predicate places. [2021-03-25 18:01:49,855 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:49,855 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 323 places, 390 transitions, 14306 flow [2021-03-25 18:01:49,855 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 323 places, 390 transitions, 14306 flow [2021-03-25 18:01:49,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 322 places, 390 transitions, 14306 flow [2021-03-25 18:01:50,235 INFO L129 PetriNetUnfolder]: 164/2556 cut-off events. [2021-03-25 18:01:50,236 INFO L130 PetriNetUnfolder]: For 100342/100557 co-relation queries the response was YES. [2021-03-25 18:01:50,264 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18310 conditions, 2556 events. 164/2556 cut-off events. For 100342/100557 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 36842 event pairs, 0 based on Foata normal form. 0/2497 useless extension candidates. Maximal degree in co-relation 18186. Up to 328 conditions per place. [2021-03-25 18:01:50,288 INFO L142 LiptonReduction]: Number of co-enabled transitions 2750 [2021-03-25 18:01:50,315 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:50,315 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:50,315 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 460 [2021-03-25 18:01:50,316 INFO L480 AbstractCegarLoop]: Abstraction has has 322 places, 390 transitions, 14306 flow [2021-03-25 18:01:50,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:50,316 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:50,316 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:50,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-03-25 18:01:50,316 INFO L428 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:50,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:50,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1990232474, now seen corresponding path program 51 times [2021-03-25 18:01:50,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:50,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62349104] [2021-03-25 18:01:50,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:50,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:50,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:50,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:50,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:50,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:50,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:50,340 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:50,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:50,361 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:01:50,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:01:50,378 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:01:50,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:01:50,402 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:50,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:50,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:50,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62349104] [2021-03-25 18:01:50,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:50,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:50,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031784730] [2021-03-25 18:01:50,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:50,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:50,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:50,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:50,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:50,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 390 transitions, 14306 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:50,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:50,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:50,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:51,133 INFO L129 PetriNetUnfolder]: 233/2681 cut-off events. [2021-03-25 18:01:51,133 INFO L130 PetriNetUnfolder]: For 107436/107918 co-relation queries the response was YES. [2021-03-25 18:01:51,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20585 conditions, 2681 events. 233/2681 cut-off events. For 107436/107918 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 37495 event pairs, 69 based on Foata normal form. 25/2597 useless extension candidates. Maximal degree in co-relation 20460. Up to 426 conditions per place. [2021-03-25 18:01:51,165 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 214 selfloop transitions, 180 changer transitions 0/408 dead transitions. [2021-03-25 18:01:51,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 408 transitions, 15720 flow [2021-03-25 18:01:51,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:51,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:51,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:51,166 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:51,166 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:51,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:51,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:51,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:51,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:51,167 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:51,167 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:51,167 INFO L185 Difference]: Start difference. First operand has 322 places, 390 transitions, 14306 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:51,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 408 transitions, 15720 flow [2021-03-25 18:01:51,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 408 transitions, 15565 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-25 18:01:51,766 INFO L241 Difference]: Finished difference. Result has 328 places, 404 transitions, 15145 flow [2021-03-25 18:01:51,767 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14159, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=390, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15145, PETRI_PLACES=328, PETRI_TRANSITIONS=404} [2021-03-25 18:01:51,767 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 290 predicate places. [2021-03-25 18:01:51,767 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:51,767 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 328 places, 404 transitions, 15145 flow [2021-03-25 18:01:51,768 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 328 places, 404 transitions, 15145 flow [2021-03-25 18:01:51,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 328 places, 404 transitions, 15145 flow [2021-03-25 18:01:52,160 INFO L129 PetriNetUnfolder]: 164/2555 cut-off events. [2021-03-25 18:01:52,160 INFO L130 PetriNetUnfolder]: For 102489/102704 co-relation queries the response was YES. [2021-03-25 18:01:52,187 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18587 conditions, 2555 events. 164/2555 cut-off events. For 102489/102704 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 36803 event pairs, 0 based on Foata normal form. 0/2496 useless extension candidates. Maximal degree in co-relation 18462. Up to 328 conditions per place. [2021-03-25 18:01:52,212 INFO L142 LiptonReduction]: Number of co-enabled transitions 2788 [2021-03-25 18:01:52,238 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:52,238 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:52,238 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 471 [2021-03-25 18:01:52,239 INFO L480 AbstractCegarLoop]: Abstraction has has 328 places, 404 transitions, 15145 flow [2021-03-25 18:01:52,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:52,239 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:52,239 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:52,239 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-03-25 18:01:52,239 INFO L428 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:52,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:52,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1553442510, now seen corresponding path program 52 times [2021-03-25 18:01:52,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:52,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241754458] [2021-03-25 18:01:52,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:52,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:52,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:52,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:52,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:52,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:52,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:52,264 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:52,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:52,285 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:01:52,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:01:52,302 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:52,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:52,323 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:52,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:52,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:52,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241754458] [2021-03-25 18:01:52,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:52,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:52,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839807635] [2021-03-25 18:01:52,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:52,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:52,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:52,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:52,345 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:52,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 404 transitions, 15145 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:52,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:52,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:52,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:53,087 INFO L129 PetriNetUnfolder]: 233/2680 cut-off events. [2021-03-25 18:01:53,088 INFO L130 PetriNetUnfolder]: For 109825/110305 co-relation queries the response was YES. [2021-03-25 18:01:53,114 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20861 conditions, 2680 events. 233/2680 cut-off events. For 109825/110305 co-relation queries the response was YES. Maximal size of possible extension queue 480. Compared 37436 event pairs, 69 based on Foata normal form. 24/2595 useless extension candidates. Maximal degree in co-relation 20735. Up to 426 conditions per place. [2021-03-25 18:01:53,120 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 214 selfloop transitions, 176 changer transitions 4/408 dead transitions. [2021-03-25 18:01:53,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 408 transitions, 16029 flow [2021-03-25 18:01:53,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:53,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:53,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:53,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:53,121 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:53,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:53,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:53,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:53,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:53,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:53,122 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:53,122 INFO L185 Difference]: Start difference. First operand has 328 places, 404 transitions, 15145 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:53,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 408 transitions, 16029 flow [2021-03-25 18:01:53,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 408 transitions, 15750 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-25 18:01:53,756 INFO L241 Difference]: Finished difference. Result has 333 places, 400 transitions, 15034 flow [2021-03-25 18:01:53,757 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14866, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=176, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15034, PETRI_PLACES=333, PETRI_TRANSITIONS=400} [2021-03-25 18:01:53,757 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 295 predicate places. [2021-03-25 18:01:53,757 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:53,757 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 400 transitions, 15034 flow [2021-03-25 18:01:53,757 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 400 transitions, 15034 flow [2021-03-25 18:01:53,762 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 331 places, 400 transitions, 15034 flow [2021-03-25 18:01:54,132 INFO L129 PetriNetUnfolder]: 163/2540 cut-off events. [2021-03-25 18:01:54,132 INFO L130 PetriNetUnfolder]: For 104757/104972 co-relation queries the response was YES. [2021-03-25 18:01:54,156 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18805 conditions, 2540 events. 163/2540 cut-off events. For 104757/104972 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 36554 event pairs, 0 based on Foata normal form. 0/2481 useless extension candidates. Maximal degree in co-relation 18679. Up to 326 conditions per place. [2021-03-25 18:01:54,237 INFO L142 LiptonReduction]: Number of co-enabled transitions 2742 [2021-03-25 18:01:54,263 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:54,263 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:54,263 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 506 [2021-03-25 18:01:54,263 INFO L480 AbstractCegarLoop]: Abstraction has has 331 places, 400 transitions, 15034 flow [2021-03-25 18:01:54,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:54,264 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:54,264 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:54,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-03-25 18:01:54,264 INFO L428 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:54,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:54,264 INFO L82 PathProgramCache]: Analyzing trace with hash -947050058, now seen corresponding path program 53 times [2021-03-25 18:01:54,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:54,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736789585] [2021-03-25 18:01:54,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:54,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:54,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:54,284 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:54,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:54,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:54,289 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:54,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:54,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:01:54,307 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:01:54,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:01:54,328 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:01:54,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:01:54,349 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:54,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:54,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:54,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736789585] [2021-03-25 18:01:54,374 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:54,374 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:54,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101295352] [2021-03-25 18:01:54,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:54,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:54,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:54,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:54,375 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:54,375 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 400 transitions, 15034 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:54,375 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:54,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:54,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:55,107 INFO L129 PetriNetUnfolder]: 232/2665 cut-off events. [2021-03-25 18:01:55,107 INFO L130 PetriNetUnfolder]: For 112090/112570 co-relation queries the response was YES. [2021-03-25 18:01:55,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21072 conditions, 2665 events. 232/2665 cut-off events. For 112090/112570 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 37199 event pairs, 69 based on Foata normal form. 24/2582 useless extension candidates. Maximal degree in co-relation 20945. Up to 442 conditions per place. [2021-03-25 18:01:55,138 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 228 selfloop transitions, 160 changer transitions 2/404 dead transitions. [2021-03-25 18:01:55,138 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 404 transitions, 15918 flow [2021-03-25 18:01:55,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:55,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:55,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:55,139 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:55,139 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:55,139 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:55,140 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:55,140 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:55,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:55,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:55,140 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:55,141 INFO L185 Difference]: Start difference. First operand has 331 places, 400 transitions, 15034 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:55,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 404 transitions, 15918 flow [2021-03-25 18:01:55,714 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 404 transitions, 15500 flow, removed 13 selfloop flow, removed 7 redundant places. [2021-03-25 18:01:55,724 INFO L241 Difference]: Finished difference. Result has 332 places, 398 transitions, 14865 flow [2021-03-25 18:01:55,724 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14632, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=160, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14865, PETRI_PLACES=332, PETRI_TRANSITIONS=398} [2021-03-25 18:01:55,724 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 294 predicate places. [2021-03-25 18:01:55,724 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:55,724 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 332 places, 398 transitions, 14865 flow [2021-03-25 18:01:55,725 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 332 places, 398 transitions, 14865 flow [2021-03-25 18:01:55,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 331 places, 398 transitions, 14865 flow [2021-03-25 18:01:56,113 INFO L129 PetriNetUnfolder]: 162/2530 cut-off events. [2021-03-25 18:01:56,114 INFO L130 PetriNetUnfolder]: For 101227/101453 co-relation queries the response was YES. [2021-03-25 18:01:56,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18398 conditions, 2530 events. 162/2530 cut-off events. For 101227/101453 co-relation queries the response was YES. Maximal size of possible extension queue 472. Compared 36341 event pairs, 0 based on Foata normal form. 0/2471 useless extension candidates. Maximal degree in co-relation 18273. Up to 324 conditions per place. [2021-03-25 18:01:56,166 INFO L142 LiptonReduction]: Number of co-enabled transitions 2730 [2021-03-25 18:01:56,192 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:56,192 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:56,192 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 468 [2021-03-25 18:01:56,193 INFO L480 AbstractCegarLoop]: Abstraction has has 331 places, 398 transitions, 14865 flow [2021-03-25 18:01:56,193 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:56,193 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:56,193 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:56,193 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-03-25 18:01:56,193 INFO L428 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:56,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:56,193 INFO L82 PathProgramCache]: Analyzing trace with hash -63561370, now seen corresponding path program 54 times [2021-03-25 18:01:56,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:56,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050490726] [2021-03-25 18:01:56,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:56,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:56,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:56,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:56,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:56,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:56,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:56,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:56,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:01:56,232 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:01:56,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:01:56,258 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:01:56,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:01:56,278 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:56,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:56,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:56,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050490726] [2021-03-25 18:01:56,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:56,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:56,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062310410] [2021-03-25 18:01:56,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:56,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:56,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:56,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:56,305 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:56,305 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 398 transitions, 14865 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:56,305 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:56,305 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:56,305 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:56,988 INFO L129 PetriNetUnfolder]: 231/2655 cut-off events. [2021-03-25 18:01:56,989 INFO L130 PetriNetUnfolder]: For 108181/108661 co-relation queries the response was YES. [2021-03-25 18:01:57,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20663 conditions, 2655 events. 231/2655 cut-off events. For 108181/108661 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 37047 event pairs, 69 based on Foata normal form. 24/2572 useless extension candidates. Maximal degree in co-relation 20537. Up to 442 conditions per place. [2021-03-25 18:01:57,020 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 221 selfloop transitions, 165 changer transitions 2/402 dead transitions. [2021-03-25 18:01:57,020 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 402 transitions, 15737 flow [2021-03-25 18:01:57,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:57,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:57,021 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:57,021 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:57,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:57,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:57,022 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:57,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:57,023 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:57,023 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:57,023 INFO L185 Difference]: Start difference. First operand has 331 places, 398 transitions, 14865 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:57,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 402 transitions, 15737 flow [2021-03-25 18:01:57,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 402 transitions, 15310 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-25 18:01:57,637 INFO L241 Difference]: Finished difference. Result has 333 places, 396 transitions, 14687 flow [2021-03-25 18:01:57,638 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14446, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14687, PETRI_PLACES=333, PETRI_TRANSITIONS=396} [2021-03-25 18:01:57,638 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 295 predicate places. [2021-03-25 18:01:57,638 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:57,638 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 333 places, 396 transitions, 14687 flow [2021-03-25 18:01:57,638 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 333 places, 396 transitions, 14687 flow [2021-03-25 18:01:57,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 332 places, 396 transitions, 14687 flow [2021-03-25 18:01:58,016 INFO L129 PetriNetUnfolder]: 161/2520 cut-off events. [2021-03-25 18:01:58,016 INFO L130 PetriNetUnfolder]: For 98514/98739 co-relation queries the response was YES. [2021-03-25 18:01:58,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18307 conditions, 2520 events. 161/2520 cut-off events. For 98514/98739 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 36190 event pairs, 0 based on Foata normal form. 1/2464 useless extension candidates. Maximal degree in co-relation 18182. Up to 322 conditions per place. [2021-03-25 18:01:58,065 INFO L142 LiptonReduction]: Number of co-enabled transitions 2712 [2021-03-25 18:01:58,090 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:58,090 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:58,090 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 452 [2021-03-25 18:01:58,091 INFO L480 AbstractCegarLoop]: Abstraction has has 332 places, 396 transitions, 14687 flow [2021-03-25 18:01:58,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:58,091 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:58,091 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:58,091 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-03-25 18:01:58,091 INFO L428 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:58,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:58,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1536876484, now seen corresponding path program 55 times [2021-03-25 18:01:58,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:58,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589776109] [2021-03-25 18:01:58,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:58,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:58,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:58,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:58,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:58,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:58,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:01:58,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:58,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:01:58,125 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:01:58,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:01:58,145 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:01:58,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:01:58,168 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:01:58,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:01:58,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:01:58,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589776109] [2021-03-25 18:01:58,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:01:58,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:01:58,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241057594] [2021-03-25 18:01:58,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:01:58,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:01:58,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:01:58,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:01:58,192 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:01:58,192 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 396 transitions, 14687 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:58,192 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:01:58,192 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:01:58,192 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:01:58,920 INFO L129 PetriNetUnfolder]: 230/2645 cut-off events. [2021-03-25 18:01:58,921 INFO L130 PetriNetUnfolder]: For 105799/106281 co-relation queries the response was YES. [2021-03-25 18:01:58,946 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20569 conditions, 2645 events. 230/2645 cut-off events. For 105799/106281 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 36852 event pairs, 69 based on Foata normal form. 25/2563 useless extension candidates. Maximal degree in co-relation 20443. Up to 442 conditions per place. [2021-03-25 18:01:58,951 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 221 selfloop transitions, 162 changer transitions 3/400 dead transitions. [2021-03-25 18:01:58,951 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 400 transitions, 15555 flow [2021-03-25 18:01:58,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:01:58,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:01:58,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:01:58,952 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:01:58,952 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:01:58,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:01:58,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:01:58,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:01:58,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:58,953 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:58,953 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:58,953 INFO L185 Difference]: Start difference. First operand has 332 places, 396 transitions, 14687 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:01:58,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 400 transitions, 15555 flow [2021-03-25 18:01:59,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 400 transitions, 15233 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-25 18:01:59,540 INFO L241 Difference]: Finished difference. Result has 335 places, 393 transitions, 14550 flow [2021-03-25 18:01:59,540 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14373, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=162, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=14550, PETRI_PLACES=335, PETRI_TRANSITIONS=393} [2021-03-25 18:01:59,541 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 297 predicate places. [2021-03-25 18:01:59,541 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:01:59,541 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 335 places, 393 transitions, 14550 flow [2021-03-25 18:01:59,541 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 335 places, 393 transitions, 14550 flow [2021-03-25 18:01:59,545 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 333 places, 393 transitions, 14550 flow [2021-03-25 18:01:59,907 INFO L129 PetriNetUnfolder]: 160/2504 cut-off events. [2021-03-25 18:01:59,908 INFO L130 PetriNetUnfolder]: For 97866/98081 co-relation queries the response was YES. [2021-03-25 18:01:59,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18175 conditions, 2504 events. 160/2504 cut-off events. For 97866/98081 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 35911 event pairs, 0 based on Foata normal form. 0/2446 useless extension candidates. Maximal degree in co-relation 18050. Up to 320 conditions per place. [2021-03-25 18:01:59,954 INFO L142 LiptonReduction]: Number of co-enabled transitions 2682 [2021-03-25 18:01:59,978 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:01:59,978 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:01:59,978 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 437 [2021-03-25 18:01:59,978 INFO L480 AbstractCegarLoop]: Abstraction has has 333 places, 393 transitions, 14550 flow [2021-03-25 18:01:59,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:01:59,978 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:01:59,978 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:01:59,978 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-03-25 18:01:59,978 INFO L428 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:01:59,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:01:59,979 INFO L82 PathProgramCache]: Analyzing trace with hash 632381588, now seen corresponding path program 56 times [2021-03-25 18:01:59,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:01:59,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868730609] [2021-03-25 18:01:59,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:01:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:01:59,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:59,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:01:59,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:59,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:01:59,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:01:59,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:00,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:00,002 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:02:00,012 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:02:00,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:02:00,027 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:00,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:00,047 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:00,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:00,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:00,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868730609] [2021-03-25 18:02:00,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:00,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:00,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608401670] [2021-03-25 18:02:00,070 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:00,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:00,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:00,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:00,071 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:00,071 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 393 transitions, 14550 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:00,071 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:00,072 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:00,072 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:00,828 INFO L129 PetriNetUnfolder]: 229/2629 cut-off events. [2021-03-25 18:02:00,829 INFO L130 PetriNetUnfolder]: For 104893/105375 co-relation queries the response was YES. [2021-03-25 18:02:00,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20431 conditions, 2629 events. 229/2629 cut-off events. For 104893/105375 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 36543 event pairs, 69 based on Foata normal form. 25/2548 useless extension candidates. Maximal degree in co-relation 20305. Up to 436 conditions per place. [2021-03-25 18:02:00,865 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 248 selfloop transitions, 157 changer transitions 0/419 dead transitions. [2021-03-25 18:02:00,865 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 419 transitions, 16322 flow [2021-03-25 18:02:00,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:00,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:00,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:00,866 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:00,866 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:00,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:00,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:00,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:00,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:00,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:00,867 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:00,867 INFO L185 Difference]: Start difference. First operand has 333 places, 393 transitions, 14550 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:00,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 419 transitions, 16322 flow [2021-03-25 18:02:01,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 419 transitions, 15952 flow, removed 24 selfloop flow, removed 6 redundant places. [2021-03-25 18:02:01,507 INFO L241 Difference]: Finished difference. Result has 337 places, 411 transitions, 15354 flow [2021-03-25 18:02:01,507 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14212, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=393, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15354, PETRI_PLACES=337, PETRI_TRANSITIONS=411} [2021-03-25 18:02:01,507 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 299 predicate places. [2021-03-25 18:02:01,507 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:01,508 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 337 places, 411 transitions, 15354 flow [2021-03-25 18:02:01,508 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 337 places, 411 transitions, 15354 flow [2021-03-25 18:02:01,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 337 places, 411 transitions, 15354 flow [2021-03-25 18:02:01,871 INFO L129 PetriNetUnfolder]: 160/2503 cut-off events. [2021-03-25 18:02:01,871 INFO L130 PetriNetUnfolder]: For 95557/95772 co-relation queries the response was YES. [2021-03-25 18:02:01,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17900 conditions, 2503 events. 160/2503 cut-off events. For 95557/95772 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 35949 event pairs, 0 based on Foata normal form. 0/2447 useless extension candidates. Maximal degree in co-relation 17774. Up to 320 conditions per place. [2021-03-25 18:02:01,917 INFO L142 LiptonReduction]: Number of co-enabled transitions 2738 [2021-03-25 18:02:01,943 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:01,943 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:01,943 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 436 [2021-03-25 18:02:01,944 INFO L480 AbstractCegarLoop]: Abstraction has has 337 places, 411 transitions, 15354 flow [2021-03-25 18:02:01,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:01,944 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:01,944 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:01,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-03-25 18:02:01,944 INFO L428 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:01,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:01,944 INFO L82 PathProgramCache]: Analyzing trace with hash -440703792, now seen corresponding path program 57 times [2021-03-25 18:02:01,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:01,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373182440] [2021-03-25 18:02:01,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:01,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:01,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:01,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:01,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:01,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:01,977 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:01,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:01,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:02:01,995 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:01,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:02,013 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:02,014 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:02,032 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:02,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:02,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:02,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373182440] [2021-03-25 18:02:02,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:02,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:02,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128785585] [2021-03-25 18:02:02,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:02,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:02,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:02,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:02,052 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:02,052 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 411 transitions, 15354 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:02,052 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:02,052 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:02,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:02,757 INFO L129 PetriNetUnfolder]: 229/2628 cut-off events. [2021-03-25 18:02:02,757 INFO L130 PetriNetUnfolder]: For 102446/102928 co-relation queries the response was YES. [2021-03-25 18:02:02,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20140 conditions, 2628 events. 229/2628 cut-off events. For 102446/102928 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 36577 event pairs, 69 based on Foata normal form. 24/2546 useless extension candidates. Maximal degree in co-relation 20013. Up to 436 conditions per place. [2021-03-25 18:02:02,789 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 252 selfloop transitions, 151 changer transitions 2/419 dead transitions. [2021-03-25 18:02:02,789 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 419 transitions, 16378 flow [2021-03-25 18:02:02,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:02,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:02,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:02,790 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:02,790 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:02,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:02,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:02,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:02,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:02,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:02,791 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:02,791 INFO L185 Difference]: Start difference. First operand has 337 places, 411 transitions, 15354 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:02,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 419 transitions, 16378 flow [2021-03-25 18:02:03,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 419 transitions, 16115 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-03-25 18:02:03,363 INFO L241 Difference]: Finished difference. Result has 342 places, 413 transitions, 15472 flow [2021-03-25 18:02:03,363 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15091, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=260, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15472, PETRI_PLACES=342, PETRI_TRANSITIONS=413} [2021-03-25 18:02:03,364 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 304 predicate places. [2021-03-25 18:02:03,364 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:03,364 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 342 places, 413 transitions, 15472 flow [2021-03-25 18:02:03,364 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 342 places, 413 transitions, 15472 flow [2021-03-25 18:02:03,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 341 places, 413 transitions, 15472 flow [2021-03-25 18:02:03,733 INFO L129 PetriNetUnfolder]: 159/2493 cut-off events. [2021-03-25 18:02:03,734 INFO L130 PetriNetUnfolder]: For 99200/99415 co-relation queries the response was YES. [2021-03-25 18:02:03,810 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18194 conditions, 2493 events. 159/2493 cut-off events. For 99200/99415 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 35746 event pairs, 0 based on Foata normal form. 0/2433 useless extension candidates. Maximal degree in co-relation 18067. Up to 318 conditions per place. [2021-03-25 18:02:03,831 INFO L142 LiptonReduction]: Number of co-enabled transitions 2754 [2021-03-25 18:02:03,858 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:03,858 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:03,858 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 494 [2021-03-25 18:02:03,859 INFO L480 AbstractCegarLoop]: Abstraction has has 341 places, 413 transitions, 15472 flow [2021-03-25 18:02:03,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:03,859 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:03,859 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:03,859 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-03-25 18:02:03,859 INFO L428 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:03,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:03,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1547496748, now seen corresponding path program 58 times [2021-03-25 18:02:03,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:03,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240829617] [2021-03-25 18:02:03,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:03,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:03,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:03,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:03,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:03,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:03,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:03,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:03,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:02:03,891 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:02:03,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:02:03,907 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:03,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:03,930 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:03,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:03,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240829617] [2021-03-25 18:02:03,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:03,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:03,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74450219] [2021-03-25 18:02:03,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:03,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:03,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:03,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:03,952 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:03,953 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 413 transitions, 15472 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:03,953 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:03,953 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:03,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:04,656 INFO L129 PetriNetUnfolder]: 228/2618 cut-off events. [2021-03-25 18:02:04,656 INFO L130 PetriNetUnfolder]: For 106101/106583 co-relation queries the response was YES. [2021-03-25 18:02:04,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20430 conditions, 2618 events. 228/2618 cut-off events. For 106101/106583 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 36318 event pairs, 69 based on Foata normal form. 24/2536 useless extension candidates. Maximal degree in co-relation 20302. Up to 436 conditions per place. [2021-03-25 18:02:04,687 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 248 selfloop transitions, 152 changer transitions 3/417 dead transitions. [2021-03-25 18:02:04,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 417 transitions, 16374 flow [2021-03-25 18:02:04,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:04,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:04,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:04,688 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:04,688 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:04,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:04,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:04,689 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:04,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:04,689 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:04,689 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:04,690 INFO L185 Difference]: Start difference. First operand has 341 places, 413 transitions, 15472 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:04,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 417 transitions, 16374 flow [2021-03-25 18:02:05,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 417 transitions, 16121 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-25 18:02:05,264 INFO L241 Difference]: Finished difference. Result has 345 places, 410 transitions, 15384 flow [2021-03-25 18:02:05,265 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15227, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15384, PETRI_PLACES=345, PETRI_TRANSITIONS=410} [2021-03-25 18:02:05,265 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 307 predicate places. [2021-03-25 18:02:05,265 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:05,265 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 345 places, 410 transitions, 15384 flow [2021-03-25 18:02:05,265 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 345 places, 410 transitions, 15384 flow [2021-03-25 18:02:05,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 343 places, 410 transitions, 15384 flow [2021-03-25 18:02:05,649 INFO L129 PetriNetUnfolder]: 158/2477 cut-off events. [2021-03-25 18:02:05,649 INFO L130 PetriNetUnfolder]: For 98563/98788 co-relation queries the response was YES. [2021-03-25 18:02:05,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18131 conditions, 2477 events. 158/2477 cut-off events. For 98563/98788 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 35381 event pairs, 0 based on Foata normal form. 1/2423 useless extension candidates. Maximal degree in co-relation 18004. Up to 316 conditions per place. [2021-03-25 18:02:05,699 INFO L142 LiptonReduction]: Number of co-enabled transitions 2730 [2021-03-25 18:02:05,727 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:05,727 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:05,728 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 463 [2021-03-25 18:02:05,728 INFO L480 AbstractCegarLoop]: Abstraction has has 343 places, 410 transitions, 15384 flow [2021-03-25 18:02:05,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:05,728 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:05,728 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:05,728 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-03-25 18:02:05,728 INFO L428 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:05,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:05,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1498620048, now seen corresponding path program 59 times [2021-03-25 18:02:05,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:05,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872213758] [2021-03-25 18:02:05,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:05,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:05,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:05,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:05,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:05,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:05,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:05,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:05,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:02:05,758 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-25 18:02:05,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 18:02:05,782 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:05,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:05,803 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:05,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:05,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:05,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872213758] [2021-03-25 18:02:05,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:05,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:05,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896194050] [2021-03-25 18:02:05,821 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:05,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:05,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:05,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:05,822 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:05,822 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 410 transitions, 15384 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:05,822 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:05,822 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:05,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:06,516 INFO L129 PetriNetUnfolder]: 227/2602 cut-off events. [2021-03-25 18:02:06,516 INFO L130 PetriNetUnfolder]: For 105303/105787 co-relation queries the response was YES. [2021-03-25 18:02:06,546 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20361 conditions, 2602 events. 227/2602 cut-off events. For 105303/105787 co-relation queries the response was YES. Maximal size of possible extension queue 462. Compared 36059 event pairs, 69 based on Foata normal form. 25/2522 useless extension candidates. Maximal degree in co-relation 20233. Up to 436 conditions per place. [2021-03-25 18:02:06,552 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 249 selfloop transitions, 149 changer transitions 2/414 dead transitions. [2021-03-25 18:02:06,552 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 414 transitions, 16280 flow [2021-03-25 18:02:06,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:06,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:06,553 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:06,553 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:06,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:06,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:06,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:06,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:06,554 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:06,554 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:06,554 INFO L185 Difference]: Start difference. First operand has 343 places, 410 transitions, 15384 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:06,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 414 transitions, 16280 flow [2021-03-25 18:02:07,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 414 transitions, 15972 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-03-25 18:02:07,110 INFO L241 Difference]: Finished difference. Result has 345 places, 408 transitions, 15292 flow [2021-03-25 18:02:07,110 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15092, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15292, PETRI_PLACES=345, PETRI_TRANSITIONS=408} [2021-03-25 18:02:07,110 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 307 predicate places. [2021-03-25 18:02:07,110 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:07,110 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 345 places, 408 transitions, 15292 flow [2021-03-25 18:02:07,110 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 345 places, 408 transitions, 15292 flow [2021-03-25 18:02:07,115 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 344 places, 408 transitions, 15292 flow [2021-03-25 18:02:07,510 INFO L129 PetriNetUnfolder]: 157/2467 cut-off events. [2021-03-25 18:02:07,510 INFO L130 PetriNetUnfolder]: For 95285/95500 co-relation queries the response was YES. [2021-03-25 18:02:07,535 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17818 conditions, 2467 events. 157/2467 cut-off events. For 95285/95500 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 35308 event pairs, 0 based on Foata normal form. 0/2411 useless extension candidates. Maximal degree in co-relation 17692. Up to 314 conditions per place. [2021-03-25 18:02:07,559 INFO L142 LiptonReduction]: Number of co-enabled transitions 2716 [2021-03-25 18:02:07,584 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:07,584 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:07,584 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 474 [2021-03-25 18:02:07,585 INFO L480 AbstractCegarLoop]: Abstraction has has 344 places, 408 transitions, 15292 flow [2021-03-25 18:02:07,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:07,585 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:07,585 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:07,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-03-25 18:02:07,585 INFO L428 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:07,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:07,586 INFO L82 PathProgramCache]: Analyzing trace with hash 303998706, now seen corresponding path program 60 times [2021-03-25 18:02:07,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:07,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503239031] [2021-03-25 18:02:07,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:07,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:07,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:07,595 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:07,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:07,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:07,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:07,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:07,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:02:07,617 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:07,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:07,631 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:07,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:07,652 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:07,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:07,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:07,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503239031] [2021-03-25 18:02:07,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:07,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:07,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729277103] [2021-03-25 18:02:07,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:07,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:07,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:07,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:07,676 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:07,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 408 transitions, 15292 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:07,677 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:07,677 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:07,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:08,371 INFO L129 PetriNetUnfolder]: 226/2592 cut-off events. [2021-03-25 18:02:08,372 INFO L130 PetriNetUnfolder]: For 102043/102527 co-relation queries the response was YES. [2021-03-25 18:02:08,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20046 conditions, 2592 events. 226/2592 cut-off events. For 102043/102527 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 35915 event pairs, 69 based on Foata normal form. 25/2512 useless extension candidates. Maximal degree in co-relation 19919. Up to 436 conditions per place. [2021-03-25 18:02:08,408 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 249 selfloop transitions, 147 changer transitions 2/412 dead transitions. [2021-03-25 18:02:08,408 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 412 transitions, 16176 flow [2021-03-25 18:02:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:08,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:08,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:08,409 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:08,409 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:08,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:08,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:08,409 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:08,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:08,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:08,410 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:08,410 INFO L185 Difference]: Start difference. First operand has 344 places, 408 transitions, 15292 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:08,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 412 transitions, 16176 flow [2021-03-25 18:02:08,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 412 transitions, 15884 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-25 18:02:09,003 INFO L241 Difference]: Finished difference. Result has 347 places, 406 transitions, 15211 flow [2021-03-25 18:02:09,003 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15008, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=147, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15211, PETRI_PLACES=347, PETRI_TRANSITIONS=406} [2021-03-25 18:02:09,003 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 309 predicate places. [2021-03-25 18:02:09,003 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:09,003 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 347 places, 406 transitions, 15211 flow [2021-03-25 18:02:09,004 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 347 places, 406 transitions, 15211 flow [2021-03-25 18:02:09,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 346 places, 406 transitions, 15211 flow [2021-03-25 18:02:09,364 INFO L129 PetriNetUnfolder]: 156/2457 cut-off events. [2021-03-25 18:02:09,365 INFO L130 PetriNetUnfolder]: For 95123/95338 co-relation queries the response was YES. [2021-03-25 18:02:09,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17765 conditions, 2457 events. 156/2457 cut-off events. For 95123/95338 co-relation queries the response was YES. Maximal size of possible extension queue 460. Compared 35131 event pairs, 0 based on Foata normal form. 0/2401 useless extension candidates. Maximal degree in co-relation 17639. Up to 312 conditions per place. [2021-03-25 18:02:09,411 INFO L142 LiptonReduction]: Number of co-enabled transitions 2712 [2021-03-25 18:02:09,436 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:09,436 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:09,437 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 434 [2021-03-25 18:02:09,437 INFO L480 AbstractCegarLoop]: Abstraction has has 346 places, 406 transitions, 15211 flow [2021-03-25 18:02:09,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:09,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:09,437 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:09,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-03-25 18:02:09,437 INFO L428 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:09,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:09,437 INFO L82 PathProgramCache]: Analyzing trace with hash -666274416, now seen corresponding path program 61 times [2021-03-25 18:02:09,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:09,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483747055] [2021-03-25 18:02:09,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:09,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:09,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:09,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:09,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:09,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:09,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:09,469 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:09,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:09,490 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:02:09,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:02:09,519 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:09,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:09,541 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:09,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:09,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:09,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483747055] [2021-03-25 18:02:09,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:09,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:09,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725856176] [2021-03-25 18:02:09,563 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:09,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:09,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:09,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:09,564 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:09,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 406 transitions, 15211 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:09,564 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:09,564 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:09,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:10,305 INFO L129 PetriNetUnfolder]: 232/2720 cut-off events. [2021-03-25 18:02:10,306 INFO L130 PetriNetUnfolder]: For 106306/106788 co-relation queries the response was YES. [2021-03-25 18:02:10,332 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20862 conditions, 2720 events. 232/2720 cut-off events. For 106306/106788 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 38190 event pairs, 61 based on Foata normal form. 15/2634 useless extension candidates. Maximal degree in co-relation 20735. Up to 424 conditions per place. [2021-03-25 18:02:10,337 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 147 changer transitions 2/441 dead transitions. [2021-03-25 18:02:10,337 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 441 transitions, 17383 flow [2021-03-25 18:02:10,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:10,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:10,338 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:10,338 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:10,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:10,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:10,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:10,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:10,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:10,339 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:10,340 INFO L185 Difference]: Start difference. First operand has 346 places, 406 transitions, 15211 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:10,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 441 transitions, 17383 flow [2021-03-25 18:02:10,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 441 transitions, 17067 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-25 18:02:10,934 INFO L241 Difference]: Finished difference. Result has 353 places, 415 transitions, 15773 flow [2021-03-25 18:02:10,934 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=14927, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=406, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=259, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=15773, PETRI_PLACES=353, PETRI_TRANSITIONS=415} [2021-03-25 18:02:10,934 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 315 predicate places. [2021-03-25 18:02:10,935 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:10,935 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 353 places, 415 transitions, 15773 flow [2021-03-25 18:02:10,935 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 353 places, 415 transitions, 15773 flow [2021-03-25 18:02:10,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 352 places, 415 transitions, 15773 flow [2021-03-25 18:02:11,330 INFO L129 PetriNetUnfolder]: 168/2597 cut-off events. [2021-03-25 18:02:11,330 INFO L130 PetriNetUnfolder]: For 103780/103978 co-relation queries the response was YES. [2021-03-25 18:02:11,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18857 conditions, 2597 events. 168/2597 cut-off events. For 103780/103978 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 37461 event pairs, 0 based on Foata normal form. 1/2539 useless extension candidates. Maximal degree in co-relation 18727. Up to 336 conditions per place. [2021-03-25 18:02:11,379 INFO L142 LiptonReduction]: Number of co-enabled transitions 2794 [2021-03-25 18:02:11,404 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:11,405 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:11,405 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 470 [2021-03-25 18:02:11,405 INFO L480 AbstractCegarLoop]: Abstraction has has 352 places, 415 transitions, 15773 flow [2021-03-25 18:02:11,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:11,405 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:11,405 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:11,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-03-25 18:02:11,405 INFO L428 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:11,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:11,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1622614354, now seen corresponding path program 62 times [2021-03-25 18:02:11,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:11,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916141661] [2021-03-25 18:02:11,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:11,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:11,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:11,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:11,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:11,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:11,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:11,427 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:11,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:11,446 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:02:11,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:02:11,461 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:11,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:11,480 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:11,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:11,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:11,498 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916141661] [2021-03-25 18:02:11,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:11,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:11,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222298754] [2021-03-25 18:02:11,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:11,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:11,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:11,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:11,498 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:11,499 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 415 transitions, 15773 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:11,499 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:11,499 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:11,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:12,229 INFO L129 PetriNetUnfolder]: 231/2713 cut-off events. [2021-03-25 18:02:12,229 INFO L130 PetriNetUnfolder]: For 109957/110445 co-relation queries the response was YES. [2021-03-25 18:02:12,256 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20983 conditions, 2713 events. 231/2713 cut-off events. For 109957/110445 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 38095 event pairs, 53 based on Foata normal form. 18/2632 useless extension candidates. Maximal degree in co-relation 20852. Up to 435 conditions per place. [2021-03-25 18:02:12,261 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 291 selfloop transitions, 149 changer transitions 2/456 dead transitions. [2021-03-25 18:02:12,261 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 456 transitions, 18110 flow [2021-03-25 18:02:12,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:12,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:12,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:12,262 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:12,262 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:12,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:12,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:12,262 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:12,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:12,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:12,263 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:12,263 INFO L185 Difference]: Start difference. First operand has 352 places, 415 transitions, 15773 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:12,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 456 transitions, 18110 flow [2021-03-25 18:02:12,905 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 456 transitions, 17946 flow, removed 17 selfloop flow, removed 4 redundant places. [2021-03-25 18:02:12,916 INFO L241 Difference]: Finished difference. Result has 360 places, 435 transitions, 16841 flow [2021-03-25 18:02:12,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=15617, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16841, PETRI_PLACES=360, PETRI_TRANSITIONS=435} [2021-03-25 18:02:12,916 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 322 predicate places. [2021-03-25 18:02:12,916 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:12,916 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 360 places, 435 transitions, 16841 flow [2021-03-25 18:02:12,916 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 360 places, 435 transitions, 16841 flow [2021-03-25 18:02:12,921 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 359 places, 435 transitions, 16841 flow [2021-03-25 18:02:13,320 INFO L129 PetriNetUnfolder]: 167/2587 cut-off events. [2021-03-25 18:02:13,320 INFO L130 PetriNetUnfolder]: For 109017/109223 co-relation queries the response was YES. [2021-03-25 18:02:13,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19202 conditions, 2587 events. 167/2587 cut-off events. For 109017/109223 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37342 event pairs, 0 based on Foata normal form. 1/2529 useless extension candidates. Maximal degree in co-relation 19069. Up to 334 conditions per place. [2021-03-25 18:02:13,369 INFO L142 LiptonReduction]: Number of co-enabled transitions 3000 [2021-03-25 18:02:13,398 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:13,398 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:13,398 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 482 [2021-03-25 18:02:13,399 INFO L480 AbstractCegarLoop]: Abstraction has has 359 places, 435 transitions, 16841 flow [2021-03-25 18:02:13,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:13,399 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:13,399 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:13,399 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-03-25 18:02:13,399 INFO L428 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:13,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:13,399 INFO L82 PathProgramCache]: Analyzing trace with hash -22554488, now seen corresponding path program 63 times [2021-03-25 18:02:13,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:13,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807590109] [2021-03-25 18:02:13,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:13,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:13,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:13,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:13,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:13,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:13,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:13,431 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:02:13,432 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:02:13,442 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:02:13,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:02:13,467 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:02:13,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:02:13,487 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:13,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:13,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:13,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807590109] [2021-03-25 18:02:13,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:13,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:13,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625335072] [2021-03-25 18:02:13,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:13,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:13,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:13,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:13,524 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:13,525 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 435 transitions, 16841 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:13,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:13,525 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:13,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:14,330 INFO L129 PetriNetUnfolder]: 230/2703 cut-off events. [2021-03-25 18:02:14,330 INFO L130 PetriNetUnfolder]: For 115491/115993 co-relation queries the response was YES. [2021-03-25 18:02:14,354 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21341 conditions, 2703 events. 230/2703 cut-off events. For 115491/115993 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 37845 event pairs, 53 based on Foata normal form. 18/2615 useless extension candidates. Maximal degree in co-relation 21207. Up to 406 conditions per place. [2021-03-25 18:02:14,358 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 170 changer transitions 0/444 dead transitions. [2021-03-25 18:02:14,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 366 places, 444 transitions, 18011 flow [2021-03-25 18:02:14,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:14,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:14,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:14,360 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:14,360 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:14,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:14,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:14,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:14,362 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:14,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:14,363 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:14,363 INFO L185 Difference]: Start difference. First operand has 359 places, 435 transitions, 16841 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:14,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 366 places, 444 transitions, 18011 flow [2021-03-25 18:02:14,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 362 places, 444 transitions, 17822 flow, removed 30 selfloop flow, removed 4 redundant places. [2021-03-25 18:02:14,995 INFO L241 Difference]: Finished difference. Result has 363 places, 435 transitions, 17003 flow [2021-03-25 18:02:14,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16660, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17003, PETRI_PLACES=363, PETRI_TRANSITIONS=435} [2021-03-25 18:02:14,996 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 325 predicate places. [2021-03-25 18:02:14,996 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:14,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 363 places, 435 transitions, 17003 flow [2021-03-25 18:02:14,996 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 363 places, 435 transitions, 17003 flow [2021-03-25 18:02:15,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 363 places, 435 transitions, 17003 flow [2021-03-25 18:02:15,416 INFO L129 PetriNetUnfolder]: 167/2586 cut-off events. [2021-03-25 18:02:15,416 INFO L130 PetriNetUnfolder]: For 109040/109246 co-relation queries the response was YES. [2021-03-25 18:02:15,442 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19385 conditions, 2586 events. 167/2586 cut-off events. For 109040/109246 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 37263 event pairs, 0 based on Foata normal form. 1/2531 useless extension candidates. Maximal degree in co-relation 19253. Up to 334 conditions per place. [2021-03-25 18:02:15,467 INFO L142 LiptonReduction]: Number of co-enabled transitions 3000 [2021-03-25 18:02:15,496 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:15,496 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:15,496 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 500 [2021-03-25 18:02:15,496 INFO L480 AbstractCegarLoop]: Abstraction has has 363 places, 435 transitions, 17003 flow [2021-03-25 18:02:15,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:15,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:15,497 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:15,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-03-25 18:02:15,497 INFO L428 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:15,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:15,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1207805122, now seen corresponding path program 64 times [2021-03-25 18:02:15,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:15,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452511204] [2021-03-25 18:02:15,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:15,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:15,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:15,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:15,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:15,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:15,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:15,528 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:02:15,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:02:15,540 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:02:15,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:02:15,566 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:15,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:15,585 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:15,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:15,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:15,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452511204] [2021-03-25 18:02:15,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:15,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:15,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103597658] [2021-03-25 18:02:15,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:15,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:15,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:15,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:15,604 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:15,604 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 435 transitions, 17003 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:15,604 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:15,604 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:15,604 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:16,384 INFO L129 PetriNetUnfolder]: 230/2702 cut-off events. [2021-03-25 18:02:16,384 INFO L130 PetriNetUnfolder]: For 115388/115890 co-relation queries the response was YES. [2021-03-25 18:02:16,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21533 conditions, 2702 events. 230/2702 cut-off events. For 115388/115890 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 37824 event pairs, 53 based on Foata normal form. 18/2614 useless extension candidates. Maximal degree in co-relation 21400. Up to 406 conditions per place. [2021-03-25 18:02:16,417 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 170 changer transitions 0/444 dead transitions. [2021-03-25 18:02:16,417 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 370 places, 444 transitions, 18173 flow [2021-03-25 18:02:16,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:16,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:16,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:16,418 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:16,418 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:16,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:16,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:16,419 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:16,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:16,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:16,420 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:16,420 INFO L185 Difference]: Start difference. First operand has 363 places, 435 transitions, 17003 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:16,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 370 places, 444 transitions, 18173 flow [2021-03-25 18:02:17,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 444 transitions, 17911 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-03-25 18:02:17,137 INFO L241 Difference]: Finished difference. Result has 368 places, 435 transitions, 17084 flow [2021-03-25 18:02:17,138 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16741, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=170, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17084, PETRI_PLACES=368, PETRI_TRANSITIONS=435} [2021-03-25 18:02:17,138 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 330 predicate places. [2021-03-25 18:02:17,138 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:17,138 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 368 places, 435 transitions, 17084 flow [2021-03-25 18:02:17,138 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 368 places, 435 transitions, 17084 flow [2021-03-25 18:02:17,145 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 368 places, 435 transitions, 17084 flow [2021-03-25 18:02:17,555 INFO L129 PetriNetUnfolder]: 167/2585 cut-off events. [2021-03-25 18:02:17,555 INFO L130 PetriNetUnfolder]: For 111346/111563 co-relation queries the response was YES. [2021-03-25 18:02:17,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19717 conditions, 2585 events. 167/2585 cut-off events. For 111346/111563 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 37190 event pairs, 0 based on Foata normal form. 2/2531 useless extension candidates. Maximal degree in co-relation 19584. Up to 334 conditions per place. [2021-03-25 18:02:17,606 INFO L142 LiptonReduction]: Number of co-enabled transitions 3000 [2021-03-25 18:02:17,635 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:17,635 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:17,635 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 497 [2021-03-25 18:02:17,636 INFO L480 AbstractCegarLoop]: Abstraction has has 368 places, 435 transitions, 17084 flow [2021-03-25 18:02:17,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:17,636 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:17,636 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:17,636 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-03-25 18:02:17,636 INFO L428 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:17,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:17,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1477731600, now seen corresponding path program 65 times [2021-03-25 18:02:17,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:17,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356183892] [2021-03-25 18:02:17,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:17,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:17,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:17,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:17,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:17,650 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:17,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:17,658 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:17,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:17,678 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:02:17,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:02:17,703 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:17,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:17,722 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:17,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:17,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:17,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356183892] [2021-03-25 18:02:17,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:17,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:17,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84276664] [2021-03-25 18:02:17,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:17,741 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:17,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:17,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:17,742 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:17,742 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 435 transitions, 17084 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:17,742 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:17,742 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:17,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:18,498 INFO L129 PetriNetUnfolder]: 230/2701 cut-off events. [2021-03-25 18:02:18,498 INFO L130 PetriNetUnfolder]: For 118183/118687 co-relation queries the response was YES. [2021-03-25 18:02:18,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21863 conditions, 2701 events. 230/2701 cut-off events. For 118183/118687 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 37855 event pairs, 53 based on Foata normal form. 19/2613 useless extension candidates. Maximal degree in co-relation 21729. Up to 435 conditions per place. [2021-03-25 18:02:18,537 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 289 selfloop transitions, 149 changer transitions 1/453 dead transitions. [2021-03-25 18:02:18,537 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 453 transitions, 18634 flow [2021-03-25 18:02:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:18,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:18,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:18,539 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:18,539 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:18,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:18,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:18,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:18,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:18,540 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:18,540 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:18,540 INFO L185 Difference]: Start difference. First operand has 368 places, 435 transitions, 17084 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:18,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 453 transitions, 18634 flow [2021-03-25 18:02:19,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 371 places, 453 transitions, 18296 flow, removed 4 selfloop flow, removed 4 redundant places. [2021-03-25 18:02:19,237 INFO L241 Difference]: Finished difference. Result has 372 places, 434 transitions, 17018 flow [2021-03-25 18:02:19,237 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16764, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17018, PETRI_PLACES=372, PETRI_TRANSITIONS=434} [2021-03-25 18:02:19,237 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 334 predicate places. [2021-03-25 18:02:19,237 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:19,237 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 372 places, 434 transitions, 17018 flow [2021-03-25 18:02:19,237 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 372 places, 434 transitions, 17018 flow [2021-03-25 18:02:19,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 371 places, 434 transitions, 17018 flow [2021-03-25 18:02:19,642 INFO L129 PetriNetUnfolder]: 166/2576 cut-off events. [2021-03-25 18:02:19,642 INFO L130 PetriNetUnfolder]: For 114093/114294 co-relation queries the response was YES. [2021-03-25 18:02:19,667 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19949 conditions, 2576 events. 166/2576 cut-off events. For 114093/114294 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 37148 event pairs, 0 based on Foata normal form. 0/2518 useless extension candidates. Maximal degree in co-relation 19815. Up to 332 conditions per place. [2021-03-25 18:02:19,692 INFO L142 LiptonReduction]: Number of co-enabled transitions 2998 [2021-03-25 18:02:19,721 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:19,721 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:19,721 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 484 [2021-03-25 18:02:19,722 INFO L480 AbstractCegarLoop]: Abstraction has has 371 places, 434 transitions, 17018 flow [2021-03-25 18:02:19,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:19,722 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:19,722 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:19,722 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-03-25 18:02:19,722 INFO L428 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:19,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:19,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1076348288, now seen corresponding path program 66 times [2021-03-25 18:02:19,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:19,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091904603] [2021-03-25 18:02:19,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:19,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:19,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:19,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:19,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:19,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:19,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:19,740 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:02:19,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:02:19,751 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:19,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:19,765 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:19,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:19,783 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:19,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:19,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:19,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091904603] [2021-03-25 18:02:19,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:19,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:19,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101480289] [2021-03-25 18:02:19,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:19,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:19,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:19,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:19,820 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:19,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 434 transitions, 17018 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:19,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:19,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:19,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:20,595 INFO L129 PetriNetUnfolder]: 229/2692 cut-off events. [2021-03-25 18:02:20,595 INFO L130 PetriNetUnfolder]: For 121099/121597 co-relation queries the response was YES. [2021-03-25 18:02:20,623 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22092 conditions, 2692 events. 229/2692 cut-off events. For 121099/121597 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37667 event pairs, 53 based on Foata normal form. 19/2604 useless extension candidates. Maximal degree in co-relation 21957. Up to 406 conditions per place. [2021-03-25 18:02:20,629 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 259 selfloop transitions, 170 changer transitions 0/443 dead transitions. [2021-03-25 18:02:20,629 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 443 transitions, 18202 flow [2021-03-25 18:02:20,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:20,630 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:20,630 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:20,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:20,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:20,630 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:20,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:20,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:20,631 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:20,631 INFO L185 Difference]: Start difference. First operand has 371 places, 434 transitions, 17018 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:20,631 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 443 transitions, 18202 flow [2021-03-25 18:02:21,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 443 transitions, 18068 flow, removed 24 selfloop flow, removed 3 redundant places. [2021-03-25 18:02:21,346 INFO L241 Difference]: Finished difference. Result has 377 places, 437 transitions, 17454 flow [2021-03-25 18:02:21,346 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16892, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17454, PETRI_PLACES=377, PETRI_TRANSITIONS=437} [2021-03-25 18:02:21,346 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 339 predicate places. [2021-03-25 18:02:21,346 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:21,346 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 437 transitions, 17454 flow [2021-03-25 18:02:21,347 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 437 transitions, 17454 flow [2021-03-25 18:02:21,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 377 places, 437 transitions, 17454 flow [2021-03-25 18:02:21,798 INFO L129 PetriNetUnfolder]: 166/2575 cut-off events. [2021-03-25 18:02:21,798 INFO L130 PetriNetUnfolder]: For 116383/116586 co-relation queries the response was YES. [2021-03-25 18:02:21,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20205 conditions, 2575 events. 166/2575 cut-off events. For 116383/116586 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 37085 event pairs, 0 based on Foata normal form. 0/2519 useless extension candidates. Maximal degree in co-relation 20071. Up to 332 conditions per place. [2021-03-25 18:02:21,846 INFO L142 LiptonReduction]: Number of co-enabled transitions 3040 [2021-03-25 18:02:21,875 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:21,875 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:21,875 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 529 [2021-03-25 18:02:21,875 INFO L480 AbstractCegarLoop]: Abstraction has has 377 places, 437 transitions, 17454 flow [2021-03-25 18:02:21,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:21,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:21,876 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:21,876 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-03-25 18:02:21,876 INFO L428 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:21,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:21,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1902461704, now seen corresponding path program 67 times [2021-03-25 18:02:21,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:21,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517470730] [2021-03-25 18:02:21,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:21,890 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:21,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:21,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:21,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:21,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:21,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:21,903 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:02:21,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:02:21,915 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:21,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:21,933 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:21,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:21,954 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:21,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:21,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:21,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517470730] [2021-03-25 18:02:21,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:21,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:21,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936438846] [2021-03-25 18:02:21,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:21,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:21,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:21,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:21,977 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:21,977 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 437 transitions, 17454 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:21,977 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:21,977 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:21,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:22,732 INFO L129 PetriNetUnfolder]: 229/2691 cut-off events. [2021-03-25 18:02:22,732 INFO L130 PetriNetUnfolder]: For 123712/124210 co-relation queries the response was YES. [2021-03-25 18:02:22,760 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22357 conditions, 2691 events. 229/2691 cut-off events. For 123712/124210 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37651 event pairs, 53 based on Foata normal form. 18/2603 useless extension candidates. Maximal degree in co-relation 22222. Up to 406 conditions per place. [2021-03-25 18:02:22,765 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 169 changer transitions 0/443 dead transitions. [2021-03-25 18:02:22,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 443 transitions, 18498 flow [2021-03-25 18:02:22,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:22,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:22,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:22,766 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:22,766 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:22,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:22,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:22,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:22,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:22,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:22,768 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:22,768 INFO L185 Difference]: Start difference. First operand has 377 places, 437 transitions, 17454 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:22,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 443 transitions, 18498 flow [2021-03-25 18:02:23,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 443 transitions, 18233 flow, removed 14 selfloop flow, removed 3 redundant places. [2021-03-25 18:02:23,514 INFO L241 Difference]: Finished difference. Result has 382 places, 437 transitions, 17530 flow [2021-03-25 18:02:23,514 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17189, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=169, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17530, PETRI_PLACES=382, PETRI_TRANSITIONS=437} [2021-03-25 18:02:23,514 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 344 predicate places. [2021-03-25 18:02:23,514 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:23,514 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 382 places, 437 transitions, 17530 flow [2021-03-25 18:02:23,515 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 382 places, 437 transitions, 17530 flow [2021-03-25 18:02:23,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 382 places, 437 transitions, 17530 flow [2021-03-25 18:02:23,969 INFO L129 PetriNetUnfolder]: 166/2574 cut-off events. [2021-03-25 18:02:23,969 INFO L130 PetriNetUnfolder]: For 119422/119625 co-relation queries the response was YES. [2021-03-25 18:02:23,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20520 conditions, 2574 events. 166/2574 cut-off events. For 119422/119625 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 37045 event pairs, 0 based on Foata normal form. 0/2517 useless extension candidates. Maximal degree in co-relation 20385. Up to 332 conditions per place. [2021-03-25 18:02:24,023 INFO L142 LiptonReduction]: Number of co-enabled transitions 3040 [2021-03-25 18:02:24,053 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:24,053 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:24,053 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 539 [2021-03-25 18:02:24,053 INFO L480 AbstractCegarLoop]: Abstraction has has 382 places, 437 transitions, 17530 flow [2021-03-25 18:02:24,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:24,053 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:24,053 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:24,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-03-25 18:02:24,054 INFO L428 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:24,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:24,054 INFO L82 PathProgramCache]: Analyzing trace with hash -2059821630, now seen corresponding path program 68 times [2021-03-25 18:02:24,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:24,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927493144] [2021-03-25 18:02:24,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:24,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:24,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:24,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:24,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:24,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:24,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:24,076 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:02:24,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:02:24,089 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:02:24,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:02:24,106 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:24,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:24,125 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:24,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:24,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:24,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927493144] [2021-03-25 18:02:24,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:24,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:24,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718696510] [2021-03-25 18:02:24,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:24,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:24,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:24,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:24,144 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:24,144 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 437 transitions, 17530 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:24,144 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:24,144 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:24,144 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:24,931 INFO L129 PetriNetUnfolder]: 229/2690 cut-off events. [2021-03-25 18:02:24,932 INFO L130 PetriNetUnfolder]: For 126698/127196 co-relation queries the response was YES. [2021-03-25 18:02:24,960 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22670 conditions, 2690 events. 229/2690 cut-off events. For 126698/127196 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37601 event pairs, 53 based on Foata normal form. 18/2601 useless extension candidates. Maximal degree in co-relation 22534. Up to 406 conditions per place. [2021-03-25 18:02:24,966 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 250 selfloop transitions, 165 changer transitions 14/443 dead transitions. [2021-03-25 18:02:24,966 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 443 transitions, 18582 flow [2021-03-25 18:02:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:24,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:24,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:24,967 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:24,967 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:24,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:24,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:24,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:24,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:24,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:24,968 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:24,968 INFO L185 Difference]: Start difference. First operand has 382 places, 437 transitions, 17530 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:24,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 443 transitions, 18582 flow [2021-03-25 18:02:25,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 443 transitions, 18272 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 18:02:25,792 INFO L241 Difference]: Finished difference. Result has 386 places, 423 transitions, 16831 flow [2021-03-25 18:02:25,793 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17220, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=437, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16831, PETRI_PLACES=386, PETRI_TRANSITIONS=423} [2021-03-25 18:02:25,793 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 348 predicate places. [2021-03-25 18:02:25,793 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:25,793 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 386 places, 423 transitions, 16831 flow [2021-03-25 18:02:25,793 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 386 places, 423 transitions, 16831 flow [2021-03-25 18:02:25,800 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 380 places, 423 transitions, 16831 flow [2021-03-25 18:02:26,241 INFO L129 PetriNetUnfolder]: 165/2532 cut-off events. [2021-03-25 18:02:26,242 INFO L130 PetriNetUnfolder]: For 119520/119723 co-relation queries the response was YES. [2021-03-25 18:02:26,267 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20342 conditions, 2532 events. 165/2532 cut-off events. For 119520/119723 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 36308 event pairs, 0 based on Foata normal form. 0/2479 useless extension candidates. Maximal degree in co-relation 20206. Up to 330 conditions per place. [2021-03-25 18:02:26,293 INFO L142 LiptonReduction]: Number of co-enabled transitions 2896 [2021-03-25 18:02:26,321 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:26,321 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:26,321 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 528 [2021-03-25 18:02:26,322 INFO L480 AbstractCegarLoop]: Abstraction has has 380 places, 423 transitions, 16831 flow [2021-03-25 18:02:26,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:26,322 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:26,322 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:26,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-03-25 18:02:26,322 INFO L428 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:26,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:26,322 INFO L82 PathProgramCache]: Analyzing trace with hash 222700006, now seen corresponding path program 69 times [2021-03-25 18:02:26,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:26,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858101535] [2021-03-25 18:02:26,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:26,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:26,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:26,331 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:26,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:26,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:26,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:26,343 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:26,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:26,364 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:02:26,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:02:26,389 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:02:26,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:02:26,412 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:26,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:26,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858101535] [2021-03-25 18:02:26,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:26,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:26,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672610486] [2021-03-25 18:02:26,433 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:26,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:26,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:26,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:26,434 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:26,434 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 423 transitions, 16831 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:26,434 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:26,434 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:26,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:27,202 INFO L129 PetriNetUnfolder]: 228/2648 cut-off events. [2021-03-25 18:02:27,203 INFO L130 PetriNetUnfolder]: For 127173/127668 co-relation queries the response was YES. [2021-03-25 18:02:27,235 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22474 conditions, 2648 events. 228/2648 cut-off events. For 127173/127668 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 36878 event pairs, 53 based on Foata normal form. 18/2562 useless extension candidates. Maximal degree in co-relation 22337. Up to 406 conditions per place. [2021-03-25 18:02:27,241 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 268 selfloop transitions, 144 changer transitions 3/429 dead transitions. [2021-03-25 18:02:27,241 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 429 transitions, 17863 flow [2021-03-25 18:02:27,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:27,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:27,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:27,242 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:27,242 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:27,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:27,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:27,242 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:27,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:27,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:27,243 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:27,243 INFO L185 Difference]: Start difference. First operand has 380 places, 423 transitions, 16831 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:27,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 429 transitions, 17863 flow [2021-03-25 18:02:27,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 429 transitions, 17403 flow, removed 31 selfloop flow, removed 11 redundant places. [2021-03-25 18:02:27,986 INFO L241 Difference]: Finished difference. Result has 377 places, 420 transitions, 16574 flow [2021-03-25 18:02:27,986 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16419, PETRI_DIFFERENCE_MINUEND_PLACES=369, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16574, PETRI_PLACES=377, PETRI_TRANSITIONS=420} [2021-03-25 18:02:27,986 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 339 predicate places. [2021-03-25 18:02:27,986 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:27,986 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 377 places, 420 transitions, 16574 flow [2021-03-25 18:02:27,986 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 377 places, 420 transitions, 16574 flow [2021-03-25 18:02:27,991 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 376 places, 420 transitions, 16574 flow [2021-03-25 18:02:28,382 INFO L129 PetriNetUnfolder]: 164/2520 cut-off events. [2021-03-25 18:02:28,382 INFO L130 PetriNetUnfolder]: For 102003/102203 co-relation queries the response was YES. [2021-03-25 18:02:28,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18903 conditions, 2520 events. 164/2520 cut-off events. For 102003/102203 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36144 event pairs, 0 based on Foata normal form. 0/2466 useless extension candidates. Maximal degree in co-relation 18772. Up to 328 conditions per place. [2021-03-25 18:02:28,432 INFO L142 LiptonReduction]: Number of co-enabled transitions 2874 [2021-03-25 18:02:28,460 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:28,460 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:28,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 474 [2021-03-25 18:02:28,461 INFO L480 AbstractCegarLoop]: Abstraction has has 376 places, 420 transitions, 16574 flow [2021-03-25 18:02:28,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:28,461 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:28,461 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:28,461 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-03-25 18:02:28,461 INFO L428 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:28,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:28,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1799376378, now seen corresponding path program 70 times [2021-03-25 18:02:28,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:28,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763771619] [2021-03-25 18:02:28,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:28,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:28,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:28,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:28,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:28,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:28,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:28,480 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:28,481 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:28,499 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:02:28,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:02:28,513 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:28,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:28,533 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:28,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:28,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763771619] [2021-03-25 18:02:28,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:28,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:28,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704312077] [2021-03-25 18:02:28,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:28,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:28,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:28,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:28,552 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:28,552 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 420 transitions, 16574 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:28,552 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:28,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:28,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:29,301 INFO L129 PetriNetUnfolder]: 227/2636 cut-off events. [2021-03-25 18:02:29,301 INFO L130 PetriNetUnfolder]: For 108801/109296 co-relation queries the response was YES. [2021-03-25 18:02:29,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21035 conditions, 2636 events. 227/2636 cut-off events. For 108801/109296 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 36638 event pairs, 53 based on Foata normal form. 19/2551 useless extension candidates. Maximal degree in co-relation 20903. Up to 406 conditions per place. [2021-03-25 18:02:29,333 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 152 changer transitions 0/426 dead transitions. [2021-03-25 18:02:29,333 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 383 places, 426 transitions, 17560 flow [2021-03-25 18:02:29,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:29,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:29,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:29,334 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:29,334 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:29,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:29,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:29,335 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:29,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:29,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:29,336 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:29,336 INFO L185 Difference]: Start difference. First operand has 376 places, 420 transitions, 16574 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:29,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 383 places, 426 transitions, 17560 flow [2021-03-25 18:02:29,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 426 transitions, 17403 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-03-25 18:02:29,996 INFO L241 Difference]: Finished difference. Result has 380 places, 420 transitions, 16732 flow [2021-03-25 18:02:29,996 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16425, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16732, PETRI_PLACES=380, PETRI_TRANSITIONS=420} [2021-03-25 18:02:29,996 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 342 predicate places. [2021-03-25 18:02:29,996 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:29,997 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 380 places, 420 transitions, 16732 flow [2021-03-25 18:02:29,997 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 380 places, 420 transitions, 16732 flow [2021-03-25 18:02:30,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 380 places, 420 transitions, 16732 flow [2021-03-25 18:02:30,388 INFO L129 PetriNetUnfolder]: 164/2519 cut-off events. [2021-03-25 18:02:30,388 INFO L130 PetriNetUnfolder]: For 102711/102910 co-relation queries the response was YES. [2021-03-25 18:02:30,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19123 conditions, 2519 events. 164/2519 cut-off events. For 102711/102910 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36066 event pairs, 0 based on Foata normal form. 0/2466 useless extension candidates. Maximal degree in co-relation 18993. Up to 328 conditions per place. [2021-03-25 18:02:30,437 INFO L142 LiptonReduction]: Number of co-enabled transitions 2874 [2021-03-25 18:02:30,478 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:30,478 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:30,478 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 482 [2021-03-25 18:02:30,478 INFO L480 AbstractCegarLoop]: Abstraction has has 380 places, 420 transitions, 16732 flow [2021-03-25 18:02:30,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:30,478 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:30,479 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:30,479 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-03-25 18:02:30,479 INFO L428 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:30,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:30,479 INFO L82 PathProgramCache]: Analyzing trace with hash -259402748, now seen corresponding path program 71 times [2021-03-25 18:02:30,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:30,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174050845] [2021-03-25 18:02:30,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:30,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:30,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:30,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:30,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:30,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:30,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:30,499 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:30,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:30,519 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:02:30,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:02:30,534 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:02:30,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:02:30,553 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:30,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:30,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174050845] [2021-03-25 18:02:30,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:30,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:30,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35253962] [2021-03-25 18:02:30,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:30,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:30,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:30,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:30,572 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:30,573 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 420 transitions, 16732 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:30,573 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:30,573 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:30,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:31,286 INFO L129 PetriNetUnfolder]: 227/2635 cut-off events. [2021-03-25 18:02:31,286 INFO L130 PetriNetUnfolder]: For 109137/109632 co-relation queries the response was YES. [2021-03-25 18:02:31,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21264 conditions, 2635 events. 227/2635 cut-off events. For 109137/109632 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 36660 event pairs, 53 based on Foata normal form. 19/2551 useless extension candidates. Maximal degree in co-relation 21133. Up to 406 conditions per place. [2021-03-25 18:02:31,318 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 148 changer transitions 4/426 dead transitions. [2021-03-25 18:02:31,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 387 places, 426 transitions, 17718 flow [2021-03-25 18:02:31,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:31,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:31,319 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:31,319 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:31,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:31,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:31,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:31,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:31,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:31,320 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:31,320 INFO L185 Difference]: Start difference. First operand has 380 places, 420 transitions, 16732 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:31,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 387 places, 426 transitions, 17718 flow [2021-03-25 18:02:31,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 426 transitions, 17391 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-25 18:02:32,005 INFO L241 Difference]: Finished difference. Result has 383 places, 416 transitions, 16482 flow [2021-03-25 18:02:32,005 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16405, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16482, PETRI_PLACES=383, PETRI_TRANSITIONS=416} [2021-03-25 18:02:32,005 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 345 predicate places. [2021-03-25 18:02:32,005 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:32,005 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 383 places, 416 transitions, 16482 flow [2021-03-25 18:02:32,005 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 383 places, 416 transitions, 16482 flow [2021-03-25 18:02:32,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 381 places, 416 transitions, 16482 flow [2021-03-25 18:02:32,391 INFO L129 PetriNetUnfolder]: 163/2504 cut-off events. [2021-03-25 18:02:32,392 INFO L130 PetriNetUnfolder]: For 102036/102236 co-relation queries the response was YES. [2021-03-25 18:02:32,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19267 conditions, 2504 events. 163/2504 cut-off events. For 102036/102236 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 35740 event pairs, 0 based on Foata normal form. 0/2450 useless extension candidates. Maximal degree in co-relation 19138. Up to 326 conditions per place. [2021-03-25 18:02:32,444 INFO L142 LiptonReduction]: Number of co-enabled transitions 2828 [2021-03-25 18:02:32,471 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:32,471 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:32,471 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 466 [2021-03-25 18:02:32,471 INFO L480 AbstractCegarLoop]: Abstraction has has 381 places, 416 transitions, 16482 flow [2021-03-25 18:02:32,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:32,472 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:32,472 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:32,472 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-03-25 18:02:32,472 INFO L428 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:32,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:32,472 INFO L82 PathProgramCache]: Analyzing trace with hash 190516096, now seen corresponding path program 72 times [2021-03-25 18:02:32,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:32,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664828161] [2021-03-25 18:02:32,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:32,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:32,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:32,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:32,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:32,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:32,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:32,495 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:32,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:32,514 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-25 18:02:32,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 18:02:32,538 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:32,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:32,557 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:32,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:32,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:32,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664828161] [2021-03-25 18:02:32,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:32,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:32,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294318002] [2021-03-25 18:02:32,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:32,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:32,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:32,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:32,576 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:32,576 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 416 transitions, 16482 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:32,577 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:32,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:32,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:33,258 INFO L129 PetriNetUnfolder]: 226/2620 cut-off events. [2021-03-25 18:02:33,258 INFO L130 PetriNetUnfolder]: For 109010/109503 co-relation queries the response was YES. [2021-03-25 18:02:33,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21401 conditions, 2620 events. 226/2620 cut-off events. For 109010/109503 co-relation queries the response was YES. Maximal size of possible extension queue 463. Compared 36367 event pairs, 53 based on Foata normal form. 18/2536 useless extension candidates. Maximal degree in co-relation 21271. Up to 406 conditions per place. [2021-03-25 18:02:33,290 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 262 selfloop transitions, 144 changer transitions 2/422 dead transitions. [2021-03-25 18:02:33,290 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 422 transitions, 17468 flow [2021-03-25 18:02:33,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:33,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:33,291 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:33,291 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:33,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:33,292 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:33,292 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:33,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:33,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:33,292 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:33,292 INFO L185 Difference]: Start difference. First operand has 381 places, 416 transitions, 16482 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:33,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 422 transitions, 17468 flow [2021-03-25 18:02:33,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 422 transitions, 17228 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-25 18:02:33,989 INFO L241 Difference]: Finished difference. Result has 385 places, 415 transitions, 16535 flow [2021-03-25 18:02:33,989 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16258, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16535, PETRI_PLACES=385, PETRI_TRANSITIONS=415} [2021-03-25 18:02:33,989 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 347 predicate places. [2021-03-25 18:02:33,989 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:33,989 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 385 places, 415 transitions, 16535 flow [2021-03-25 18:02:33,990 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 385 places, 415 transitions, 16535 flow [2021-03-25 18:02:33,994 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 384 places, 415 transitions, 16535 flow [2021-03-25 18:02:34,380 INFO L129 PetriNetUnfolder]: 162/2494 cut-off events. [2021-03-25 18:02:34,381 INFO L130 PetriNetUnfolder]: For 100838/101038 co-relation queries the response was YES. [2021-03-25 18:02:34,406 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19048 conditions, 2494 events. 162/2494 cut-off events. For 100838/101038 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 35585 event pairs, 0 based on Foata normal form. 0/2442 useless extension candidates. Maximal degree in co-relation 18919. Up to 324 conditions per place. [2021-03-25 18:02:34,432 INFO L142 LiptonReduction]: Number of co-enabled transitions 2828 [2021-03-25 18:02:34,458 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:34,459 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:34,459 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 470 [2021-03-25 18:02:34,459 INFO L480 AbstractCegarLoop]: Abstraction has has 384 places, 415 transitions, 16535 flow [2021-03-25 18:02:34,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:34,459 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:34,459 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:34,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-03-25 18:02:34,460 INFO L428 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:34,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:34,460 INFO L82 PathProgramCache]: Analyzing trace with hash -775394714, now seen corresponding path program 73 times [2021-03-25 18:02:34,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:34,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170609752] [2021-03-25 18:02:34,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:34,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:34,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:34,480 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:34,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:34,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:34,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:34,492 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:34,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:34,512 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-25 18:02:34,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 18:02:34,536 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:34,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:34,555 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:34,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:34,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:34,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170609752] [2021-03-25 18:02:34,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:34,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:34,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892552523] [2021-03-25 18:02:34,573 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:34,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:34,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:34,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:34,574 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:34,574 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 415 transitions, 16535 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:34,574 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:34,574 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:34,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:35,303 INFO L129 PetriNetUnfolder]: 225/2610 cut-off events. [2021-03-25 18:02:35,304 INFO L130 PetriNetUnfolder]: For 107478/107973 co-relation queries the response was YES. [2021-03-25 18:02:35,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21180 conditions, 2610 events. 225/2610 cut-off events. For 107478/107973 co-relation queries the response was YES. Maximal size of possible extension queue 461. Compared 36190 event pairs, 53 based on Foata normal form. 19/2526 useless extension candidates. Maximal degree in co-relation 21050. Up to 406 conditions per place. [2021-03-25 18:02:35,336 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 261 selfloop transitions, 143 changer transitions 2/420 dead transitions. [2021-03-25 18:02:35,336 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 391 places, 420 transitions, 17465 flow [2021-03-25 18:02:35,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:35,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:35,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:35,337 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:35,337 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:35,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:35,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:35,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:35,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:35,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:35,338 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:35,338 INFO L185 Difference]: Start difference. First operand has 384 places, 415 transitions, 16535 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:35,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 391 places, 420 transitions, 17465 flow [2021-03-25 18:02:36,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 420 transitions, 17229 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-25 18:02:36,029 INFO L241 Difference]: Finished difference. Result has 388 places, 413 transitions, 16488 flow [2021-03-25 18:02:36,030 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16307, PETRI_DIFFERENCE_MINUEND_PLACES=380, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=415, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=143, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16488, PETRI_PLACES=388, PETRI_TRANSITIONS=413} [2021-03-25 18:02:36,030 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 350 predicate places. [2021-03-25 18:02:36,030 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:36,030 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 388 places, 413 transitions, 16488 flow [2021-03-25 18:02:36,030 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 388 places, 413 transitions, 16488 flow [2021-03-25 18:02:36,035 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 387 places, 413 transitions, 16488 flow [2021-03-25 18:02:36,463 INFO L129 PetriNetUnfolder]: 161/2484 cut-off events. [2021-03-25 18:02:36,463 INFO L130 PetriNetUnfolder]: For 100571/100771 co-relation queries the response was YES. [2021-03-25 18:02:36,486 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19048 conditions, 2484 events. 161/2484 cut-off events. For 100571/100771 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 35456 event pairs, 0 based on Foata normal form. 0/2432 useless extension candidates. Maximal degree in co-relation 18919. Up to 322 conditions per place. [2021-03-25 18:02:36,509 INFO L142 LiptonReduction]: Number of co-enabled transitions 2824 [2021-03-25 18:02:36,534 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:36,535 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:36,535 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 505 [2021-03-25 18:02:36,535 INFO L480 AbstractCegarLoop]: Abstraction has has 387 places, 413 transitions, 16488 flow [2021-03-25 18:02:36,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:36,535 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:36,535 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:36,535 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-03-25 18:02:36,535 INFO L428 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:36,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:36,536 INFO L82 PathProgramCache]: Analyzing trace with hash -323408046, now seen corresponding path program 74 times [2021-03-25 18:02:36,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:36,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174953231] [2021-03-25 18:02:36,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:36,542 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:36,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:36,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:36,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:36,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:36,547 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:36,555 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:36,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:36,572 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:02:36,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:02:36,595 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:02:36,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:02:36,615 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:36,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:36,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:36,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174953231] [2021-03-25 18:02:36,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:36,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:36,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733495518] [2021-03-25 18:02:36,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:36,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:36,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:36,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:36,635 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:36,635 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 413 transitions, 16488 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:36,635 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:36,635 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:36,635 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:37,346 INFO L129 PetriNetUnfolder]: 224/2600 cut-off events. [2021-03-25 18:02:37,346 INFO L130 PetriNetUnfolder]: For 106882/107377 co-relation queries the response was YES. [2021-03-25 18:02:37,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21177 conditions, 2600 events. 224/2600 cut-off events. For 106882/107377 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 36049 event pairs, 53 based on Foata normal form. 19/2516 useless extension candidates. Maximal degree in co-relation 21047. Up to 427 conditions per place. [2021-03-25 18:02:37,379 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 272 selfloop transitions, 141 changer transitions 0/427 dead transitions. [2021-03-25 18:02:37,379 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 427 transitions, 17792 flow [2021-03-25 18:02:37,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:37,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:37,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:37,380 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:37,380 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:37,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:37,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:37,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:37,381 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:37,381 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:37,381 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:37,381 INFO L185 Difference]: Start difference. First operand has 387 places, 413 transitions, 16488 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:37,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 427 transitions, 17792 flow [2021-03-25 18:02:38,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 427 transitions, 17416 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-25 18:02:38,096 INFO L241 Difference]: Finished difference. Result has 390 places, 422 transitions, 16829 flow [2021-03-25 18:02:38,096 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16120, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=413, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=132, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16829, PETRI_PLACES=390, PETRI_TRANSITIONS=422} [2021-03-25 18:02:38,097 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 352 predicate places. [2021-03-25 18:02:38,097 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:38,097 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 390 places, 422 transitions, 16829 flow [2021-03-25 18:02:38,097 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 390 places, 422 transitions, 16829 flow [2021-03-25 18:02:38,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 390 places, 422 transitions, 16829 flow [2021-03-25 18:02:38,495 INFO L129 PetriNetUnfolder]: 161/2483 cut-off events. [2021-03-25 18:02:38,495 INFO L130 PetriNetUnfolder]: For 100394/100593 co-relation queries the response was YES. [2021-03-25 18:02:38,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18920 conditions, 2483 events. 161/2483 cut-off events. For 100394/100593 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 35431 event pairs, 0 based on Foata normal form. 0/2430 useless extension candidates. Maximal degree in co-relation 18790. Up to 322 conditions per place. [2021-03-25 18:02:38,545 INFO L142 LiptonReduction]: Number of co-enabled transitions 2848 [2021-03-25 18:02:38,573 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:38,573 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:38,573 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 476 [2021-03-25 18:02:38,574 INFO L480 AbstractCegarLoop]: Abstraction has has 390 places, 422 transitions, 16829 flow [2021-03-25 18:02:38,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:38,574 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:38,574 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:38,574 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-03-25 18:02:38,574 INFO L428 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:38,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:38,574 INFO L82 PathProgramCache]: Analyzing trace with hash 723540934, now seen corresponding path program 75 times [2021-03-25 18:02:38,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:38,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994721110] [2021-03-25 18:02:38,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:38,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:38,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:38,581 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:38,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:38,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:38,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:38,592 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:38,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:38,609 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:02:38,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:02:38,631 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:02:38,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:02:38,651 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:38,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:38,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994721110] [2021-03-25 18:02:38,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:38,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:38,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095763106] [2021-03-25 18:02:38,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:38,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:38,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:38,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:38,670 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:38,671 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 422 transitions, 16829 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:38,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:38,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:38,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:39,382 INFO L129 PetriNetUnfolder]: 224/2599 cut-off events. [2021-03-25 18:02:39,382 INFO L130 PetriNetUnfolder]: For 107192/107687 co-relation queries the response was YES. [2021-03-25 18:02:39,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21038 conditions, 2599 events. 224/2599 cut-off events. For 107192/107687 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 36034 event pairs, 53 based on Foata normal form. 19/2515 useless extension candidates. Maximal degree in co-relation 20907. Up to 427 conditions per place. [2021-03-25 18:02:39,414 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 276 selfloop transitions, 135 changer transitions 2/427 dead transitions. [2021-03-25 18:02:39,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 427 transitions, 17773 flow [2021-03-25 18:02:39,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:39,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:39,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:39,415 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:39,415 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:39,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:39,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:39,415 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:39,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:39,416 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:39,416 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:39,416 INFO L185 Difference]: Start difference. First operand has 390 places, 422 transitions, 16829 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:39,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 427 transitions, 17773 flow [2021-03-25 18:02:40,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 394 places, 427 transitions, 17549 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-25 18:02:40,093 INFO L241 Difference]: Finished difference. Result has 395 places, 420 transitions, 16780 flow [2021-03-25 18:02:40,094 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16605, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16780, PETRI_PLACES=395, PETRI_TRANSITIONS=420} [2021-03-25 18:02:40,094 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 357 predicate places. [2021-03-25 18:02:40,094 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:40,094 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 395 places, 420 transitions, 16780 flow [2021-03-25 18:02:40,094 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 395 places, 420 transitions, 16780 flow [2021-03-25 18:02:40,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 394 places, 420 transitions, 16780 flow [2021-03-25 18:02:40,485 INFO L129 PetriNetUnfolder]: 160/2473 cut-off events. [2021-03-25 18:02:40,485 INFO L130 PetriNetUnfolder]: For 102657/102857 co-relation queries the response was YES. [2021-03-25 18:02:40,510 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19166 conditions, 2473 events. 160/2473 cut-off events. For 102657/102857 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 35301 event pairs, 0 based on Foata normal form. 0/2421 useless extension candidates. Maximal degree in co-relation 19035. Up to 320 conditions per place. [2021-03-25 18:02:40,535 INFO L142 LiptonReduction]: Number of co-enabled transitions 2830 [2021-03-25 18:02:40,562 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:40,562 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:40,562 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 468 [2021-03-25 18:02:40,562 INFO L480 AbstractCegarLoop]: Abstraction has has 394 places, 420 transitions, 16780 flow [2021-03-25 18:02:40,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:40,563 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:40,563 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:40,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-03-25 18:02:40,563 INFO L428 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:40,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:40,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1524776512, now seen corresponding path program 76 times [2021-03-25 18:02:40,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:40,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527207822] [2021-03-25 18:02:40,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:40,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:40,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:40,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:40,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:40,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:40,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:40,588 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:40,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:40,607 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:02:40,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:02:40,625 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:40,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:40,647 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:40,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:40,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527207822] [2021-03-25 18:02:40,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:40,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:40,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107390] [2021-03-25 18:02:40,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:40,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:40,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:40,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:40,669 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:40,669 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 420 transitions, 16780 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:40,669 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:40,669 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:40,669 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:41,511 INFO L129 PetriNetUnfolder]: 223/2589 cut-off events. [2021-03-25 18:02:41,511 INFO L130 PetriNetUnfolder]: For 109395/109888 co-relation queries the response was YES. [2021-03-25 18:02:41,537 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21280 conditions, 2589 events. 223/2589 cut-off events. For 109395/109888 co-relation queries the response was YES. Maximal size of possible extension queue 457. Compared 35887 event pairs, 53 based on Foata normal form. 18/2504 useless extension candidates. Maximal degree in co-relation 21148. Up to 427 conditions per place. [2021-03-25 18:02:41,543 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 279 selfloop transitions, 132 changer transitions 1/426 dead transitions. [2021-03-25 18:02:41,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 426 transitions, 17772 flow [2021-03-25 18:02:41,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:41,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:41,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:41,544 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:41,544 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:41,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:41,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:41,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:41,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:41,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:41,545 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:41,545 INFO L185 Difference]: Start difference. First operand has 394 places, 420 transitions, 16780 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:41,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 426 transitions, 17772 flow [2021-03-25 18:02:42,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 426 transitions, 17501 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-25 18:02:42,238 INFO L241 Difference]: Finished difference. Result has 398 places, 420 transitions, 16787 flow [2021-03-25 18:02:42,238 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16518, PETRI_DIFFERENCE_MINUEND_PLACES=389, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16787, PETRI_PLACES=398, PETRI_TRANSITIONS=420} [2021-03-25 18:02:42,238 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 360 predicate places. [2021-03-25 18:02:42,238 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:42,239 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 398 places, 420 transitions, 16787 flow [2021-03-25 18:02:42,239 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 398 places, 420 transitions, 16787 flow [2021-03-25 18:02:42,243 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 397 places, 420 transitions, 16787 flow [2021-03-25 18:02:42,625 INFO L129 PetriNetUnfolder]: 159/2464 cut-off events. [2021-03-25 18:02:42,625 INFO L130 PetriNetUnfolder]: For 102662/102862 co-relation queries the response was YES. [2021-03-25 18:02:42,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19140 conditions, 2464 events. 159/2464 cut-off events. For 102662/102862 co-relation queries the response was YES. Maximal size of possible extension queue 453. Compared 35111 event pairs, 0 based on Foata normal form. 0/2412 useless extension candidates. Maximal degree in co-relation 19008. Up to 318 conditions per place. [2021-03-25 18:02:42,679 INFO L142 LiptonReduction]: Number of co-enabled transitions 2836 [2021-03-25 18:02:42,707 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:42,707 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:42,707 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 469 [2021-03-25 18:02:42,707 INFO L480 AbstractCegarLoop]: Abstraction has has 397 places, 420 transitions, 16787 flow [2021-03-25 18:02:42,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:42,708 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:42,708 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:42,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-03-25 18:02:42,708 INFO L428 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:42,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:42,708 INFO L82 PathProgramCache]: Analyzing trace with hash 946021150, now seen corresponding path program 77 times [2021-03-25 18:02:42,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:42,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736280409] [2021-03-25 18:02:42,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:42,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:42,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:42,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:42,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:42,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:42,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:42,727 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:42,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:42,744 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:02:42,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:02:42,767 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:42,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:42,786 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:42,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:42,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:42,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736280409] [2021-03-25 18:02:42,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:42,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:42,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773465934] [2021-03-25 18:02:42,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:42,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:42,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:42,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:42,805 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:42,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 420 transitions, 16787 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:42,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:42,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:42,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:43,531 INFO L129 PetriNetUnfolder]: 222/2580 cut-off events. [2021-03-25 18:02:43,531 INFO L130 PetriNetUnfolder]: For 109360/109853 co-relation queries the response was YES. [2021-03-25 18:02:43,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21252 conditions, 2580 events. 222/2580 cut-off events. For 109360/109853 co-relation queries the response was YES. Maximal size of possible extension queue 455. Compared 35695 event pairs, 53 based on Foata normal form. 18/2495 useless extension candidates. Maximal degree in co-relation 21119. Up to 427 conditions per place. [2021-03-25 18:02:43,568 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 273 selfloop transitions, 134 changer transitions 4/425 dead transitions. [2021-03-25 18:02:43,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 425 transitions, 17735 flow [2021-03-25 18:02:43,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:43,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:43,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:43,569 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:43,569 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:43,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:43,569 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:43,569 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:43,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:43,570 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:43,570 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:43,570 INFO L185 Difference]: Start difference. First operand has 397 places, 420 transitions, 16787 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:43,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 425 transitions, 17735 flow [2021-03-25 18:02:44,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 425 transitions, 17473 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-25 18:02:44,286 INFO L241 Difference]: Finished difference. Result has 400 places, 416 transitions, 16595 flow [2021-03-25 18:02:44,286 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16533, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=16595, PETRI_PLACES=400, PETRI_TRANSITIONS=416} [2021-03-25 18:02:44,286 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 362 predicate places. [2021-03-25 18:02:44,286 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:44,286 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 400 places, 416 transitions, 16595 flow [2021-03-25 18:02:44,286 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 400 places, 416 transitions, 16595 flow [2021-03-25 18:02:44,291 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 398 places, 416 transitions, 16595 flow [2021-03-25 18:02:44,681 INFO L129 PetriNetUnfolder]: 158/2447 cut-off events. [2021-03-25 18:02:44,681 INFO L130 PetriNetUnfolder]: For 101467/101667 co-relation queries the response was YES. [2021-03-25 18:02:44,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18994 conditions, 2447 events. 158/2447 cut-off events. For 101467/101667 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 34827 event pairs, 0 based on Foata normal form. 0/2395 useless extension candidates. Maximal degree in co-relation 18862. Up to 316 conditions per place. [2021-03-25 18:02:44,731 INFO L142 LiptonReduction]: Number of co-enabled transitions 2800 [2021-03-25 18:02:44,759 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:44,759 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:44,759 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 473 [2021-03-25 18:02:44,759 INFO L480 AbstractCegarLoop]: Abstraction has has 398 places, 416 transitions, 16595 flow [2021-03-25 18:02:44,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:44,760 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:44,760 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:44,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-03-25 18:02:44,760 INFO L428 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:44,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:44,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1610800874, now seen corresponding path program 78 times [2021-03-25 18:02:44,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:44,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310637468] [2021-03-25 18:02:44,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:44,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:44,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:44,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:44,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:44,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:44,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:44,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:44,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:02:44,789 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-25 18:02:44,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 18:02:44,813 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:44,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:44,834 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:44,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:44,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:44,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310637468] [2021-03-25 18:02:44,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:44,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:44,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569203049] [2021-03-25 18:02:44,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:44,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:44,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:44,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:44,853 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:44,853 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 416 transitions, 16595 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:44,853 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:44,853 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:44,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:45,642 INFO L129 PetriNetUnfolder]: 224/2727 cut-off events. [2021-03-25 18:02:45,642 INFO L130 PetriNetUnfolder]: For 114617/115112 co-relation queries the response was YES. [2021-03-25 18:02:45,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22288 conditions, 2727 events. 224/2727 cut-off events. For 114617/115112 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 38368 event pairs, 53 based on Foata normal form. 16/2640 useless extension candidates. Maximal degree in co-relation 22155. Up to 428 conditions per place. [2021-03-25 18:02:45,677 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 327 selfloop transitions, 132 changer transitions 2/475 dead transitions. [2021-03-25 18:02:45,677 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 405 places, 475 transitions, 20031 flow [2021-03-25 18:02:45,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:45,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:45,678 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:45,678 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:45,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:45,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:45,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:45,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:45,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:45,679 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:45,679 INFO L185 Difference]: Start difference. First operand has 398 places, 416 transitions, 16595 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:45,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 405 places, 475 transitions, 20031 flow [2021-03-25 18:02:46,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 475 transitions, 19694 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-03-25 18:02:46,481 INFO L241 Difference]: Finished difference. Result has 404 places, 434 transitions, 17612 flow [2021-03-25 18:02:46,481 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16328, PETRI_DIFFERENCE_MINUEND_PLACES=392, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=416, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=114, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17612, PETRI_PLACES=404, PETRI_TRANSITIONS=434} [2021-03-25 18:02:46,482 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 366 predicate places. [2021-03-25 18:02:46,482 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:46,482 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 404 places, 434 transitions, 17612 flow [2021-03-25 18:02:46,482 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 404 places, 434 transitions, 17612 flow [2021-03-25 18:02:46,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 403 places, 434 transitions, 17612 flow [2021-03-25 18:02:46,972 INFO L129 PetriNetUnfolder]: 170/2624 cut-off events. [2021-03-25 18:02:46,973 INFO L130 PetriNetUnfolder]: For 112329/112516 co-relation queries the response was YES. [2021-03-25 18:02:47,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20327 conditions, 2624 events. 170/2624 cut-off events. For 112329/112516 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 37864 event pairs, 0 based on Foata normal form. 0/2566 useless extension candidates. Maximal degree in co-relation 20192. Up to 340 conditions per place. [2021-03-25 18:02:47,027 INFO L142 LiptonReduction]: Number of co-enabled transitions 2954 [2021-03-25 18:02:47,057 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:47,057 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:47,057 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 575 [2021-03-25 18:02:47,057 INFO L480 AbstractCegarLoop]: Abstraction has has 403 places, 434 transitions, 17612 flow [2021-03-25 18:02:47,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:47,057 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:47,057 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:47,057 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-03-25 18:02:47,057 INFO L428 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:47,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:47,058 INFO L82 PathProgramCache]: Analyzing trace with hash -321503262, now seen corresponding path program 79 times [2021-03-25 18:02:47,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:47,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113133622] [2021-03-25 18:02:47,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:47,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:47,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:47,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:47,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:47,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:47,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:47,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:47,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:02:47,086 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-25 18:02:47,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 18:02:47,112 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:47,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:47,150 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:47,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:47,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:47,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113133622] [2021-03-25 18:02:47,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:47,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:47,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660970687] [2021-03-25 18:02:47,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:47,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:47,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:47,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:47,175 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:47,175 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 434 transitions, 17612 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:47,175 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:47,175 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:47,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:47,971 INFO L129 PetriNetUnfolder]: 223/2717 cut-off events. [2021-03-25 18:02:47,972 INFO L130 PetriNetUnfolder]: For 116507/117041 co-relation queries the response was YES. [2021-03-25 18:02:48,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22124 conditions, 2717 events. 223/2717 cut-off events. For 116507/117041 co-relation queries the response was YES. Maximal size of possible extension queue 482. Compared 38173 event pairs, 53 based on Foata normal form. 19/2640 useless extension candidates. Maximal degree in co-relation 21988. Up to 448 conditions per place. [2021-03-25 18:02:48,007 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 143 changer transitions 2/459 dead transitions. [2021-03-25 18:02:48,007 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 410 places, 459 transitions, 19486 flow [2021-03-25 18:02:48,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:48,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:48,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:48,008 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:48,008 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:48,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:48,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:48,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:48,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:48,009 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:48,009 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:48,009 INFO L185 Difference]: Start difference. First operand has 403 places, 434 transitions, 17612 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:48,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 410 places, 459 transitions, 19486 flow [2021-03-25 18:02:48,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 406 places, 459 transitions, 19339 flow, removed 15 selfloop flow, removed 4 redundant places. [2021-03-25 18:02:48,765 INFO L241 Difference]: Finished difference. Result has 410 places, 438 transitions, 18067 flow [2021-03-25 18:02:48,765 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17474, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=434, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18067, PETRI_PLACES=410, PETRI_TRANSITIONS=438} [2021-03-25 18:02:48,765 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 372 predicate places. [2021-03-25 18:02:48,765 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:48,766 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 410 places, 438 transitions, 18067 flow [2021-03-25 18:02:48,766 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 410 places, 438 transitions, 18067 flow [2021-03-25 18:02:48,771 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 409 places, 438 transitions, 18067 flow [2021-03-25 18:02:49,194 INFO L129 PetriNetUnfolder]: 169/2614 cut-off events. [2021-03-25 18:02:49,194 INFO L130 PetriNetUnfolder]: For 115007/115171 co-relation queries the response was YES. [2021-03-25 18:02:49,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20554 conditions, 2614 events. 169/2614 cut-off events. For 115007/115171 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37702 event pairs, 0 based on Foata normal form. 0/2560 useless extension candidates. Maximal degree in co-relation 20417. Up to 338 conditions per place. [2021-03-25 18:02:49,252 INFO L142 LiptonReduction]: Number of co-enabled transitions 2974 [2021-03-25 18:02:49,298 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:49,298 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:49,298 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 533 [2021-03-25 18:02:49,298 INFO L480 AbstractCegarLoop]: Abstraction has has 409 places, 438 transitions, 18067 flow [2021-03-25 18:02:49,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:49,298 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:49,299 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:49,299 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-03-25 18:02:49,299 INFO L428 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:49,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:49,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1127740514, now seen corresponding path program 80 times [2021-03-25 18:02:49,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:49,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950971310] [2021-03-25 18:02:49,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:49,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:49,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:49,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:49,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:49,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:49,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:49,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:49,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:02:49,331 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-25 18:02:49,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 18:02:49,359 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:49,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:49,382 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:49,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:49,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:49,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950971310] [2021-03-25 18:02:49,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:49,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:49,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836606509] [2021-03-25 18:02:49,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:49,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:49,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:49,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:49,405 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:49,405 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 409 places, 438 transitions, 18067 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:49,405 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:49,405 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:49,405 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:50,214 INFO L129 PetriNetUnfolder]: 222/2707 cut-off events. [2021-03-25 18:02:50,214 INFO L130 PetriNetUnfolder]: For 120106/120681 co-relation queries the response was YES. [2021-03-25 18:02:50,247 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22348 conditions, 2707 events. 222/2707 cut-off events. For 120106/120681 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 38011 event pairs, 53 based on Foata normal form. 22/2632 useless extension candidates. Maximal degree in co-relation 22210. Up to 448 conditions per place. [2021-03-25 18:02:50,253 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 141 changer transitions 2/457 dead transitions. [2021-03-25 18:02:50,253 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 457 transitions, 19645 flow [2021-03-25 18:02:50,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:50,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:50,254 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:50,254 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:50,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:50,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:50,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:50,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:50,255 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:50,255 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:50,255 INFO L185 Difference]: Start difference. First operand has 409 places, 438 transitions, 18067 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:50,255 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 416 places, 457 transitions, 19645 flow [2021-03-25 18:02:50,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 411 places, 457 transitions, 19423 flow, removed 17 selfloop flow, removed 5 redundant places. [2021-03-25 18:02:51,003 INFO L241 Difference]: Finished difference. Result has 413 places, 439 transitions, 18212 flow [2021-03-25 18:02:51,004 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17853, PETRI_DIFFERENCE_MINUEND_PLACES=404, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18212, PETRI_PLACES=413, PETRI_TRANSITIONS=439} [2021-03-25 18:02:51,004 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 375 predicate places. [2021-03-25 18:02:51,004 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:51,004 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 413 places, 439 transitions, 18212 flow [2021-03-25 18:02:51,004 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 413 places, 439 transitions, 18212 flow [2021-03-25 18:02:51,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 412 places, 439 transitions, 18212 flow [2021-03-25 18:02:51,473 INFO L129 PetriNetUnfolder]: 168/2604 cut-off events. [2021-03-25 18:02:51,473 INFO L130 PetriNetUnfolder]: For 114438/114613 co-relation queries the response was YES. [2021-03-25 18:02:51,500 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20675 conditions, 2604 events. 168/2604 cut-off events. For 114438/114613 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37560 event pairs, 0 based on Foata normal form. 0/2549 useless extension candidates. Maximal degree in co-relation 20539. Up to 336 conditions per place. [2021-03-25 18:02:51,525 INFO L142 LiptonReduction]: Number of co-enabled transitions 2996 [2021-03-25 18:02:51,553 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:51,553 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:51,553 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 549 [2021-03-25 18:02:51,554 INFO L480 AbstractCegarLoop]: Abstraction has has 412 places, 439 transitions, 18212 flow [2021-03-25 18:02:51,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:51,554 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:51,554 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:51,554 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-03-25 18:02:51,554 INFO L428 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:51,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:51,554 INFO L82 PathProgramCache]: Analyzing trace with hash -807282246, now seen corresponding path program 81 times [2021-03-25 18:02:51,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:51,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445989620] [2021-03-25 18:02:51,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:51,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:51,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:51,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:51,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:51,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:51,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:51,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:51,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:02:51,584 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:51,584 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:51,598 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:51,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:51,617 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:51,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:51,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:51,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445989620] [2021-03-25 18:02:51,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:51,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:51,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813734030] [2021-03-25 18:02:51,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:51,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:51,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:51,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:51,636 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:51,636 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 439 transitions, 18212 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:51,636 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:51,636 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:51,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:52,432 INFO L129 PetriNetUnfolder]: 221/2697 cut-off events. [2021-03-25 18:02:52,432 INFO L130 PetriNetUnfolder]: For 118776/119344 co-relation queries the response was YES. [2021-03-25 18:02:52,460 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22466 conditions, 2697 events. 221/2697 cut-off events. For 118776/119344 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37852 event pairs, 53 based on Foata normal form. 22/2622 useless extension candidates. Maximal degree in co-relation 22329. Up to 448 conditions per place. [2021-03-25 18:02:52,466 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 296 selfloop transitions, 145 changer transitions 0/455 dead transitions. [2021-03-25 18:02:52,466 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 419 places, 455 transitions, 19626 flow [2021-03-25 18:02:52,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:52,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:52,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:52,467 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:52,467 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:52,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:52,467 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:52,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:52,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:52,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:52,468 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:52,468 INFO L185 Difference]: Start difference. First operand has 412 places, 439 transitions, 18212 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:52,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 419 places, 455 transitions, 19626 flow [2021-03-25 18:02:53,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 414 places, 455 transitions, 19344 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-03-25 18:02:53,247 INFO L241 Difference]: Finished difference. Result has 416 places, 447 transitions, 18592 flow [2021-03-25 18:02:53,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17938, PETRI_DIFFERENCE_MINUEND_PLACES=407, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=137, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18592, PETRI_PLACES=416, PETRI_TRANSITIONS=447} [2021-03-25 18:02:53,248 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 378 predicate places. [2021-03-25 18:02:53,248 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:53,248 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 416 places, 447 transitions, 18592 flow [2021-03-25 18:02:53,248 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 416 places, 447 transitions, 18592 flow [2021-03-25 18:02:53,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 416 places, 447 transitions, 18592 flow [2021-03-25 18:02:53,682 INFO L129 PetriNetUnfolder]: 168/2603 cut-off events. [2021-03-25 18:02:53,683 INFO L130 PetriNetUnfolder]: For 115106/115270 co-relation queries the response was YES. [2021-03-25 18:02:53,709 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20704 conditions, 2603 events. 168/2603 cut-off events. For 115106/115270 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 37507 event pairs, 0 based on Foata normal form. 0/2549 useless extension candidates. Maximal degree in co-relation 20567. Up to 336 conditions per place. [2021-03-25 18:02:53,735 INFO L142 LiptonReduction]: Number of co-enabled transitions 3012 [2021-03-25 18:02:53,765 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:53,765 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:53,766 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 518 [2021-03-25 18:02:53,766 INFO L480 AbstractCegarLoop]: Abstraction has has 416 places, 447 transitions, 18592 flow [2021-03-25 18:02:53,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:53,766 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:53,766 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:53,767 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-03-25 18:02:53,767 INFO L428 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:53,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:53,767 INFO L82 PathProgramCache]: Analyzing trace with hash -2123439550, now seen corresponding path program 82 times [2021-03-25 18:02:53,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:53,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123067623] [2021-03-25 18:02:53,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:53,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:53,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:53,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:53,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:53,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:53,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:53,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:53,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:02:53,797 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:02:53,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:02:53,812 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:53,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:53,834 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:53,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:53,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:53,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123067623] [2021-03-25 18:02:53,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:53,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:53,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923236960] [2021-03-25 18:02:53,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:53,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:53,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:53,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:53,861 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:53,861 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 447 transitions, 18592 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:53,861 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:53,861 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:53,861 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:54,665 INFO L129 PetriNetUnfolder]: 221/2696 cut-off events. [2021-03-25 18:02:54,666 INFO L130 PetriNetUnfolder]: For 119811/120377 co-relation queries the response was YES. [2021-03-25 18:02:54,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22494 conditions, 2696 events. 221/2696 cut-off events. For 119811/120377 co-relation queries the response was YES. Maximal size of possible extension queue 478. Compared 37880 event pairs, 53 based on Foata normal form. 21/2620 useless extension candidates. Maximal degree in co-relation 22356. Up to 448 conditions per place. [2021-03-25 18:02:54,699 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 297 selfloop transitions, 139 changer transitions 5/455 dead transitions. [2021-03-25 18:02:54,700 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 423 places, 455 transitions, 19704 flow [2021-03-25 18:02:54,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:54,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:54,701 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:54,701 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:54,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:54,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:54,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:54,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:54,702 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:54,702 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:54,702 INFO L185 Difference]: Start difference. First operand has 416 places, 447 transitions, 18592 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:54,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 423 places, 455 transitions, 19704 flow [2021-03-25 18:02:55,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 421 places, 455 transitions, 19570 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 18:02:55,494 INFO L241 Difference]: Finished difference. Result has 423 places, 444 transitions, 18573 flow [2021-03-25 18:02:55,494 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18458, PETRI_DIFFERENCE_MINUEND_PLACES=414, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=308, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18573, PETRI_PLACES=423, PETRI_TRANSITIONS=444} [2021-03-25 18:02:55,494 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 385 predicate places. [2021-03-25 18:02:55,494 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:55,495 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 423 places, 444 transitions, 18573 flow [2021-03-25 18:02:55,495 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 423 places, 444 transitions, 18573 flow [2021-03-25 18:02:55,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 421 places, 444 transitions, 18573 flow [2021-03-25 18:02:55,932 INFO L129 PetriNetUnfolder]: 167/2586 cut-off events. [2021-03-25 18:02:55,932 INFO L130 PetriNetUnfolder]: For 117829/118015 co-relation queries the response was YES. [2021-03-25 18:02:55,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21037 conditions, 2586 events. 167/2586 cut-off events. For 117829/118015 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 37255 event pairs, 0 based on Foata normal form. 1/2531 useless extension candidates. Maximal degree in co-relation 20898. Up to 334 conditions per place. [2021-03-25 18:02:55,987 INFO L142 LiptonReduction]: Number of co-enabled transitions 2994 [2021-03-25 18:02:56,017 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:56,017 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:56,017 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 523 [2021-03-25 18:02:56,018 INFO L480 AbstractCegarLoop]: Abstraction has has 421 places, 444 transitions, 18573 flow [2021-03-25 18:02:56,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:56,018 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:56,018 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:56,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-03-25 18:02:56,018 INFO L428 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:56,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:56,019 INFO L82 PathProgramCache]: Analyzing trace with hash -390962630, now seen corresponding path program 83 times [2021-03-25 18:02:56,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:56,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506458287] [2021-03-25 18:02:56,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:56,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:56,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:56,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:56,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:56,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:56,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:56,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:56,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:02:56,051 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:02:56,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:02:56,067 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:56,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:56,089 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:56,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:56,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506458287] [2021-03-25 18:02:56,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:56,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:56,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777287089] [2021-03-25 18:02:56,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:56,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:56,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:56,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:56,111 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:56,112 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 421 places, 444 transitions, 18573 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:56,112 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:56,112 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:56,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:57,067 INFO L129 PetriNetUnfolder]: 220/2679 cut-off events. [2021-03-25 18:02:57,068 INFO L130 PetriNetUnfolder]: For 122358/122924 co-relation queries the response was YES. [2021-03-25 18:02:57,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22820 conditions, 2679 events. 220/2679 cut-off events. For 122358/122924 co-relation queries the response was YES. Maximal size of possible extension queue 475. Compared 37574 event pairs, 53 based on Foata normal form. 21/2603 useless extension candidates. Maximal degree in co-relation 22680. Up to 448 conditions per place. [2021-03-25 18:02:57,103 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 135 changer transitions 1/450 dead transitions. [2021-03-25 18:02:57,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 450 transitions, 19599 flow [2021-03-25 18:02:57,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:57,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:57,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:57,105 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:57,105 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:57,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:57,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:57,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:57,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:57,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:57,106 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:57,106 INFO L185 Difference]: Start difference. First operand has 421 places, 444 transitions, 18573 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:57,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 450 transitions, 19599 flow [2021-03-25 18:02:57,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 422 places, 450 transitions, 19314 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-25 18:02:57,906 INFO L241 Difference]: Finished difference. Result has 424 places, 445 transitions, 18625 flow [2021-03-25 18:02:57,907 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18304, PETRI_DIFFERENCE_MINUEND_PLACES=415, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=444, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=309, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18625, PETRI_PLACES=424, PETRI_TRANSITIONS=445} [2021-03-25 18:02:57,907 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 386 predicate places. [2021-03-25 18:02:57,907 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:02:57,907 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 424 places, 445 transitions, 18625 flow [2021-03-25 18:02:57,907 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 424 places, 445 transitions, 18625 flow [2021-03-25 18:02:57,913 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 423 places, 445 transitions, 18625 flow [2021-03-25 18:02:58,337 INFO L129 PetriNetUnfolder]: 166/2577 cut-off events. [2021-03-25 18:02:58,337 INFO L130 PetriNetUnfolder]: For 116409/116584 co-relation queries the response was YES. [2021-03-25 18:02:58,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20753 conditions, 2577 events. 166/2577 cut-off events. For 116409/116584 co-relation queries the response was YES. Maximal size of possible extension queue 473. Compared 37120 event pairs, 0 based on Foata normal form. 0/2521 useless extension candidates. Maximal degree in co-relation 20614. Up to 332 conditions per place. [2021-03-25 18:02:58,391 INFO L142 LiptonReduction]: Number of co-enabled transitions 3006 [2021-03-25 18:02:58,437 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:02:58,437 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:02:58,438 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 531 [2021-03-25 18:02:58,438 INFO L480 AbstractCegarLoop]: Abstraction has has 423 places, 445 transitions, 18625 flow [2021-03-25 18:02:58,438 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:58,438 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:02:58,438 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:02:58,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2021-03-25 18:02:58,438 INFO L428 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:02:58,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:02:58,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1098442366, now seen corresponding path program 84 times [2021-03-25 18:02:58,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:02:58,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517051054] [2021-03-25 18:02:58,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:02:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:02:58,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:58,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:02:58,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:58,448 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:02:58,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:58,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:02:58,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:02:58,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:02:58,471 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:02:58,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:02:58,488 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:02:58,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:02:58,510 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:02:58,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:02:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:02:58,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517051054] [2021-03-25 18:02:58,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:02:58,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:02:58,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558268570] [2021-03-25 18:02:58,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:02:58,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:02:58,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:02:58,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:02:58,533 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:02:58,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 423 places, 445 transitions, 18625 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:58,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:02:58,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:02:58,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:02:59,318 INFO L129 PetriNetUnfolder]: 219/2670 cut-off events. [2021-03-25 18:02:59,318 INFO L130 PetriNetUnfolder]: For 120663/121229 co-relation queries the response was YES. [2021-03-25 18:02:59,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22535 conditions, 2670 events. 219/2670 cut-off events. For 120663/121229 co-relation queries the response was YES. Maximal size of possible extension queue 474. Compared 37427 event pairs, 53 based on Foata normal form. 21/2594 useless extension candidates. Maximal degree in co-relation 22395. Up to 448 conditions per place. [2021-03-25 18:02:59,351 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 299 selfloop transitions, 134 changer transitions 2/449 dead transitions. [2021-03-25 18:02:59,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 430 places, 449 transitions, 19575 flow [2021-03-25 18:02:59,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:02:59,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:02:59,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:02:59,352 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:02:59,352 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:02:59,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:02:59,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:02:59,353 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:02:59,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:59,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:59,353 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:02:59,353 INFO L185 Difference]: Start difference. First operand has 423 places, 445 transitions, 18625 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:02:59,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 430 places, 449 transitions, 19575 flow [2021-03-25 18:03:00,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 425 places, 449 transitions, 19334 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-25 18:03:00,141 INFO L241 Difference]: Finished difference. Result has 426 places, 443 transitions, 18551 flow [2021-03-25 18:03:00,141 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18392, PETRI_DIFFERENCE_MINUEND_PLACES=418, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18551, PETRI_PLACES=426, PETRI_TRANSITIONS=443} [2021-03-25 18:03:00,142 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 388 predicate places. [2021-03-25 18:03:00,142 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:00,142 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 426 places, 443 transitions, 18551 flow [2021-03-25 18:03:00,142 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 426 places, 443 transitions, 18551 flow [2021-03-25 18:03:00,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 425 places, 443 transitions, 18551 flow [2021-03-25 18:03:00,571 INFO L129 PetriNetUnfolder]: 165/2567 cut-off events. [2021-03-25 18:03:00,572 INFO L130 PetriNetUnfolder]: For 115511/115675 co-relation queries the response was YES. [2021-03-25 18:03:00,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20739 conditions, 2567 events. 165/2567 cut-off events. For 115511/115675 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 36912 event pairs, 0 based on Foata normal form. 0/2513 useless extension candidates. Maximal degree in co-relation 20601. Up to 330 conditions per place. [2021-03-25 18:03:00,625 INFO L142 LiptonReduction]: Number of co-enabled transitions 2996 [2021-03-25 18:03:00,654 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:00,654 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:00,654 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 512 [2021-03-25 18:03:00,655 INFO L480 AbstractCegarLoop]: Abstraction has has 425 places, 443 transitions, 18551 flow [2021-03-25 18:03:00,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:00,655 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:00,655 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:00,655 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-03-25 18:03:00,655 INFO L428 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:00,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:00,655 INFO L82 PathProgramCache]: Analyzing trace with hash -404992948, now seen corresponding path program 85 times [2021-03-25 18:03:00,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:00,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457882982] [2021-03-25 18:03:00,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:00,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:00,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:00,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:00,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:00,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:00,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:00,677 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:03:00,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:03:00,689 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:00,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:00,705 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:00,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:00,727 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:00,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:00,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457882982] [2021-03-25 18:03:00,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:00,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:00,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636736730] [2021-03-25 18:03:00,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:00,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:00,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:00,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:00,749 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:00,749 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 425 places, 443 transitions, 18551 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:00,749 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:00,749 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:00,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:01,663 INFO L129 PetriNetUnfolder]: 218/2660 cut-off events. [2021-03-25 18:03:01,663 INFO L130 PetriNetUnfolder]: For 119980/120548 co-relation queries the response was YES. [2021-03-25 18:03:01,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22518 conditions, 2660 events. 218/2660 cut-off events. For 119980/120548 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 37248 event pairs, 53 based on Foata normal form. 17/2582 useless extension candidates. Maximal degree in co-relation 22379. Up to 430 conditions per place. [2021-03-25 18:03:01,701 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 255 selfloop transitions, 186 changer transitions 0/455 dead transitions. [2021-03-25 18:03:01,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 455 transitions, 19914 flow [2021-03-25 18:03:01,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:01,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:01,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:01,703 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:01,703 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:01,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:01,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:01,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:01,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:01,704 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:01,704 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:01,704 INFO L185 Difference]: Start difference. First operand has 425 places, 443 transitions, 18551 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:01,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 455 transitions, 19914 flow [2021-03-25 18:03:02,517 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 427 places, 455 transitions, 19640 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-25 18:03:02,528 INFO L241 Difference]: Finished difference. Result has 429 places, 448 transitions, 19012 flow [2021-03-25 18:03:02,528 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18291, PETRI_DIFFERENCE_MINUEND_PLACES=420, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=257, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19012, PETRI_PLACES=429, PETRI_TRANSITIONS=448} [2021-03-25 18:03:02,528 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 391 predicate places. [2021-03-25 18:03:02,528 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:02,529 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 429 places, 448 transitions, 19012 flow [2021-03-25 18:03:02,529 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 429 places, 448 transitions, 19012 flow [2021-03-25 18:03:02,534 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 429 places, 448 transitions, 19012 flow [2021-03-25 18:03:02,978 INFO L129 PetriNetUnfolder]: 165/2566 cut-off events. [2021-03-25 18:03:02,978 INFO L130 PetriNetUnfolder]: For 117068/117244 co-relation queries the response was YES. [2021-03-25 18:03:03,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20774 conditions, 2566 events. 165/2566 cut-off events. For 117068/117244 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 36886 event pairs, 0 based on Foata normal form. 0/2513 useless extension candidates. Maximal degree in co-relation 20635. Up to 330 conditions per place. [2021-03-25 18:03:03,033 INFO L142 LiptonReduction]: Number of co-enabled transitions 3066 [2021-03-25 18:03:03,062 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:03,063 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:03,063 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 535 [2021-03-25 18:03:03,063 INFO L480 AbstractCegarLoop]: Abstraction has has 429 places, 448 transitions, 19012 flow [2021-03-25 18:03:03,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:03,063 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:03,063 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:03,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2021-03-25 18:03:03,063 INFO L428 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:03,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:03,064 INFO L82 PathProgramCache]: Analyzing trace with hash -659693220, now seen corresponding path program 86 times [2021-03-25 18:03:03,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:03,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380771097] [2021-03-25 18:03:03,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:03,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:03,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:03,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:03,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:03,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:03,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:03,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:03,084 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:03:03,094 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:03,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:03,108 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:03,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:03,127 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:03,127 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:03,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380771097] [2021-03-25 18:03:03,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:03,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:03,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579451846] [2021-03-25 18:03:03,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:03,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:03,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:03,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:03,146 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:03,146 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 448 transitions, 19012 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:03,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:03,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:03,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:03,957 INFO L129 PetriNetUnfolder]: 218/2659 cut-off events. [2021-03-25 18:03:03,958 INFO L130 PetriNetUnfolder]: For 121484/122068 co-relation queries the response was YES. [2021-03-25 18:03:03,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22552 conditions, 2659 events. 218/2659 cut-off events. For 121484/122068 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 37285 event pairs, 53 based on Foata normal form. 17/2581 useless extension candidates. Maximal degree in co-relation 22412. Up to 430 conditions per place. [2021-03-25 18:03:03,992 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 270 selfloop transitions, 171 changer transitions 0/455 dead transitions. [2021-03-25 18:03:03,993 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 436 places, 455 transitions, 20112 flow [2021-03-25 18:03:03,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:03,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:03,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:03,993 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:03,993 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:03,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:03,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:03,994 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:03,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:03,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:03,994 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:03,995 INFO L185 Difference]: Start difference. First operand has 429 places, 448 transitions, 19012 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:03,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 436 places, 455 transitions, 20112 flow [2021-03-25 18:03:04,828 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 455 transitions, 19785 flow, removed 25 selfloop flow, removed 4 redundant places. [2021-03-25 18:03:04,840 INFO L241 Difference]: Finished difference. Result has 433 places, 448 transitions, 19030 flow [2021-03-25 18:03:04,841 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18685, PETRI_DIFFERENCE_MINUEND_PLACES=425, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19030, PETRI_PLACES=433, PETRI_TRANSITIONS=448} [2021-03-25 18:03:04,841 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 395 predicate places. [2021-03-25 18:03:04,841 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:04,841 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 433 places, 448 transitions, 19030 flow [2021-03-25 18:03:04,841 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 433 places, 448 transitions, 19030 flow [2021-03-25 18:03:04,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 433 places, 448 transitions, 19030 flow [2021-03-25 18:03:05,280 INFO L129 PetriNetUnfolder]: 165/2565 cut-off events. [2021-03-25 18:03:05,280 INFO L130 PetriNetUnfolder]: For 118146/118310 co-relation queries the response was YES. [2021-03-25 18:03:05,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21076 conditions, 2565 events. 165/2565 cut-off events. For 118146/118310 co-relation queries the response was YES. Maximal size of possible extension queue 470. Compared 36885 event pairs, 0 based on Foata normal form. 0/2513 useless extension candidates. Maximal degree in co-relation 20937. Up to 330 conditions per place. [2021-03-25 18:03:05,335 INFO L142 LiptonReduction]: Number of co-enabled transitions 3066 [2021-03-25 18:03:05,366 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:05,366 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:05,366 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 525 [2021-03-25 18:03:05,366 INFO L480 AbstractCegarLoop]: Abstraction has has 433 places, 448 transitions, 19030 flow [2021-03-25 18:03:05,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:05,367 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:05,367 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:05,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2021-03-25 18:03:05,367 INFO L428 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:05,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:05,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1100896414, now seen corresponding path program 87 times [2021-03-25 18:03:05,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:05,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326569076] [2021-03-25 18:03:05,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:05,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:05,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:05,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:05,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:05,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:05,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:05,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:05,395 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:03:05,405 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:03:05,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:03:05,430 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:03:05,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:03:05,454 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:05,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:05,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:05,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326569076] [2021-03-25 18:03:05,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:05,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:05,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848867512] [2021-03-25 18:03:05,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:05,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:05,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:05,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:05,474 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:05,474 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 448 transitions, 19030 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:05,474 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:05,474 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:05,474 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:06,344 INFO L129 PetriNetUnfolder]: 218/2658 cut-off events. [2021-03-25 18:03:06,344 INFO L130 PetriNetUnfolder]: For 123110/123682 co-relation queries the response was YES. [2021-03-25 18:03:06,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22852 conditions, 2658 events. 218/2658 cut-off events. For 123110/123682 co-relation queries the response was YES. Maximal size of possible extension queue 471. Compared 37247 event pairs, 53 based on Foata normal form. 16/2579 useless extension candidates. Maximal degree in co-relation 22712. Up to 430 conditions per place. [2021-03-25 18:03:06,373 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 274 selfloop transitions, 165 changer transitions 2/455 dead transitions. [2021-03-25 18:03:06,373 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 455 transitions, 20138 flow [2021-03-25 18:03:06,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:06,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:06,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:06,374 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:06,374 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:06,374 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:06,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:06,374 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:06,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:06,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:06,375 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:06,376 INFO L185 Difference]: Start difference. First operand has 433 places, 448 transitions, 19030 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:06,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 440 places, 455 transitions, 20138 flow [2021-03-25 18:03:07,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 437 places, 455 transitions, 19851 flow, removed 21 selfloop flow, removed 3 redundant places. [2021-03-25 18:03:07,172 INFO L241 Difference]: Finished difference. Result has 438 places, 446 transitions, 18969 flow [2021-03-25 18:03:07,172 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18743, PETRI_DIFFERENCE_MINUEND_PLACES=430, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=165, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18969, PETRI_PLACES=438, PETRI_TRANSITIONS=446} [2021-03-25 18:03:07,172 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 400 predicate places. [2021-03-25 18:03:07,172 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:07,173 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 438 places, 446 transitions, 18969 flow [2021-03-25 18:03:07,173 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 438 places, 446 transitions, 18969 flow [2021-03-25 18:03:07,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 437 places, 446 transitions, 18969 flow [2021-03-25 18:03:07,611 INFO L129 PetriNetUnfolder]: 164/2555 cut-off events. [2021-03-25 18:03:07,611 INFO L130 PetriNetUnfolder]: For 120447/120612 co-relation queries the response was YES. [2021-03-25 18:03:07,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21340 conditions, 2555 events. 164/2555 cut-off events. For 120447/120612 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 36724 event pairs, 0 based on Foata normal form. 0/2502 useless extension candidates. Maximal degree in co-relation 21200. Up to 328 conditions per place. [2021-03-25 18:03:07,665 INFO L142 LiptonReduction]: Number of co-enabled transitions 3048 [2021-03-25 18:03:07,713 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:07,713 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:07,713 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 541 [2021-03-25 18:03:07,714 INFO L480 AbstractCegarLoop]: Abstraction has has 437 places, 446 transitions, 18969 flow [2021-03-25 18:03:07,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:07,714 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:07,714 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:07,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2021-03-25 18:03:07,714 INFO L428 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:07,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:07,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1102592360, now seen corresponding path program 88 times [2021-03-25 18:03:07,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:07,714 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073262168] [2021-03-25 18:03:07,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:07,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:07,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:07,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:07,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:07,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:07,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:07,736 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:03:07,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:03:07,748 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:07,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:07,765 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:07,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:07,789 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:07,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:07,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:07,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073262168] [2021-03-25 18:03:07,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:07,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:07,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193840273] [2021-03-25 18:03:07,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:07,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:07,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:07,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:07,814 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:07,814 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 437 places, 446 transitions, 18969 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:07,814 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:07,814 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:07,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:08,671 INFO L129 PetriNetUnfolder]: 217/2648 cut-off events. [2021-03-25 18:03:08,672 INFO L130 PetriNetUnfolder]: For 125384/125966 co-relation queries the response was YES. [2021-03-25 18:03:08,701 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23112 conditions, 2648 events. 217/2648 cut-off events. For 125384/125966 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 37043 event pairs, 53 based on Foata normal form. 16/2569 useless extension candidates. Maximal degree in co-relation 22971. Up to 430 conditions per place. [2021-03-25 18:03:08,707 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 248 selfloop transitions, 191 changer transitions 0/453 dead transitions. [2021-03-25 18:03:08,707 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 444 places, 453 transitions, 20081 flow [2021-03-25 18:03:08,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:08,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:08,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:08,708 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:08,708 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:08,708 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:08,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:08,708 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:08,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:08,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:08,709 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:08,709 INFO L185 Difference]: Start difference. First operand has 437 places, 446 transitions, 18969 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:08,709 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 444 places, 453 transitions, 20081 flow [2021-03-25 18:03:09,534 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 439 places, 453 transitions, 19766 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-25 18:03:09,545 INFO L241 Difference]: Finished difference. Result has 440 places, 446 transitions, 19047 flow [2021-03-25 18:03:09,546 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18662, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=191, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=255, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19047, PETRI_PLACES=440, PETRI_TRANSITIONS=446} [2021-03-25 18:03:09,546 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 402 predicate places. [2021-03-25 18:03:09,546 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:09,546 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 440 places, 446 transitions, 19047 flow [2021-03-25 18:03:09,546 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 440 places, 446 transitions, 19047 flow [2021-03-25 18:03:09,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 440 places, 446 transitions, 19047 flow [2021-03-25 18:03:09,974 INFO L129 PetriNetUnfolder]: 164/2554 cut-off events. [2021-03-25 18:03:09,974 INFO L130 PetriNetUnfolder]: For 120387/120565 co-relation queries the response was YES. [2021-03-25 18:03:10,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21350 conditions, 2554 events. 164/2554 cut-off events. For 120387/120565 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 36661 event pairs, 0 based on Foata normal form. 0/2500 useless extension candidates. Maximal degree in co-relation 21210. Up to 328 conditions per place. [2021-03-25 18:03:10,027 INFO L142 LiptonReduction]: Number of co-enabled transitions 3048 [2021-03-25 18:03:10,057 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:10,057 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:10,057 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 511 [2021-03-25 18:03:10,057 INFO L480 AbstractCegarLoop]: Abstraction has has 440 places, 446 transitions, 19047 flow [2021-03-25 18:03:10,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:10,058 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:10,058 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:10,058 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2021-03-25 18:03:10,058 INFO L428 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:10,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:10,058 INFO L82 PathProgramCache]: Analyzing trace with hash -828247792, now seen corresponding path program 89 times [2021-03-25 18:03:10,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:10,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527005594] [2021-03-25 18:03:10,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:10,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:10,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:10,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:10,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:10,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:10,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:10,085 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:03:10,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:03:10,097 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:03:10,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:03:10,134 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:10,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:10,156 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:10,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:10,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:10,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527005594] [2021-03-25 18:03:10,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:10,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:10,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361223334] [2021-03-25 18:03:10,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:10,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:10,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:10,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:10,178 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:10,178 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 446 transitions, 19047 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:10,179 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:10,179 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:10,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:11,045 INFO L129 PetriNetUnfolder]: 217/2647 cut-off events. [2021-03-25 18:03:11,045 INFO L130 PetriNetUnfolder]: For 125324/125920 co-relation queries the response was YES. [2021-03-25 18:03:11,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23121 conditions, 2647 events. 217/2647 cut-off events. For 125324/125920 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 37008 event pairs, 53 based on Foata normal form. 17/2569 useless extension candidates. Maximal degree in co-relation 22980. Up to 430 conditions per place. [2021-03-25 18:03:11,078 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 254 selfloop transitions, 185 changer transitions 0/453 dead transitions. [2021-03-25 18:03:11,078 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 447 places, 453 transitions, 20159 flow [2021-03-25 18:03:11,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:11,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:11,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:11,079 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:11,079 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:11,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:11,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:11,080 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:11,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:11,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:11,080 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:11,081 INFO L185 Difference]: Start difference. First operand has 440 places, 446 transitions, 19047 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:11,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 447 places, 453 transitions, 20159 flow [2021-03-25 18:03:11,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 442 places, 453 transitions, 19621 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-25 18:03:11,909 INFO L241 Difference]: Finished difference. Result has 443 places, 446 transitions, 18882 flow [2021-03-25 18:03:11,909 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18509, PETRI_DIFFERENCE_MINUEND_PLACES=435, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=185, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18882, PETRI_PLACES=443, PETRI_TRANSITIONS=446} [2021-03-25 18:03:11,909 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 405 predicate places. [2021-03-25 18:03:11,909 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:11,909 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 443 places, 446 transitions, 18882 flow [2021-03-25 18:03:11,910 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 443 places, 446 transitions, 18882 flow [2021-03-25 18:03:11,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 443 places, 446 transitions, 18882 flow [2021-03-25 18:03:12,345 INFO L129 PetriNetUnfolder]: 164/2553 cut-off events. [2021-03-25 18:03:12,345 INFO L130 PetriNetUnfolder]: For 121211/121377 co-relation queries the response was YES. [2021-03-25 18:03:12,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21525 conditions, 2553 events. 164/2553 cut-off events. For 121211/121377 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 36718 event pairs, 0 based on Foata normal form. 0/2499 useless extension candidates. Maximal degree in co-relation 21385. Up to 328 conditions per place. [2021-03-25 18:03:12,398 INFO L142 LiptonReduction]: Number of co-enabled transitions 3048 [2021-03-25 18:03:12,428 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:12,428 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:12,428 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 519 [2021-03-25 18:03:12,429 INFO L480 AbstractCegarLoop]: Abstraction has has 443 places, 446 transitions, 18882 flow [2021-03-25 18:03:12,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:12,429 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:12,429 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:12,429 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-03-25 18:03:12,429 INFO L428 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:12,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:12,429 INFO L82 PathProgramCache]: Analyzing trace with hash 761602482, now seen corresponding path program 90 times [2021-03-25 18:03:12,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:12,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797768648] [2021-03-25 18:03:12,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:12,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:12,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:12,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:12,436 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:12,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:12,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:12,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:12,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:03:12,456 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:03:12,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:03:12,487 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:12,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:12,507 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:12,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:12,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:12,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797768648] [2021-03-25 18:03:12,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:12,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:12,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561000750] [2021-03-25 18:03:12,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:12,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:12,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:12,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:12,528 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:12,528 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 446 transitions, 18882 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:12,528 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:12,528 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:12,528 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:13,320 INFO L129 PetriNetUnfolder]: 217/2646 cut-off events. [2021-03-25 18:03:13,320 INFO L130 PetriNetUnfolder]: For 126688/127274 co-relation queries the response was YES. [2021-03-25 18:03:13,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23294 conditions, 2646 events. 217/2646 cut-off events. For 126688/127274 co-relation queries the response was YES. Maximal size of possible extension queue 468. Compared 36976 event pairs, 53 based on Foata normal form. 17/2568 useless extension candidates. Maximal degree in co-relation 23153. Up to 430 conditions per place. [2021-03-25 18:03:13,358 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 160 changer transitions 2/453 dead transitions. [2021-03-25 18:03:13,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 453 transitions, 20002 flow [2021-03-25 18:03:13,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:13,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:13,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:13,359 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:13,359 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:13,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:13,359 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:13,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:13,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:13,360 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:13,360 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:13,360 INFO L185 Difference]: Start difference. First operand has 443 places, 446 transitions, 18882 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:13,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 450 places, 453 transitions, 20002 flow [2021-03-25 18:03:14,185 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 446 places, 453 transitions, 19656 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 18:03:14,197 INFO L241 Difference]: Finished difference. Result has 448 places, 445 transitions, 18865 flow [2021-03-25 18:03:14,197 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18536, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18865, PETRI_PLACES=448, PETRI_TRANSITIONS=445} [2021-03-25 18:03:14,197 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 410 predicate places. [2021-03-25 18:03:14,197 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:14,198 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 448 places, 445 transitions, 18865 flow [2021-03-25 18:03:14,198 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 448 places, 445 transitions, 18865 flow [2021-03-25 18:03:14,203 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 447 places, 445 transitions, 18865 flow [2021-03-25 18:03:14,637 INFO L129 PetriNetUnfolder]: 163/2543 cut-off events. [2021-03-25 18:03:14,637 INFO L130 PetriNetUnfolder]: For 125717/125884 co-relation queries the response was YES. [2021-03-25 18:03:14,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21766 conditions, 2543 events. 163/2543 cut-off events. For 125717/125884 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 36570 event pairs, 0 based on Foata normal form. 0/2489 useless extension candidates. Maximal degree in co-relation 21624. Up to 326 conditions per place. [2021-03-25 18:03:14,690 INFO L142 LiptonReduction]: Number of co-enabled transitions 3058 [2021-03-25 18:03:14,719 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:14,719 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:14,719 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 522 [2021-03-25 18:03:14,719 INFO L480 AbstractCegarLoop]: Abstraction has has 447 places, 445 transitions, 18865 flow [2021-03-25 18:03:14,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:14,719 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:14,719 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:14,720 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2021-03-25 18:03:14,720 INFO L428 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:14,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:14,720 INFO L82 PathProgramCache]: Analyzing trace with hash -2064237220, now seen corresponding path program 91 times [2021-03-25 18:03:14,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:14,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336091277] [2021-03-25 18:03:14,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:14,730 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:14,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:14,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:14,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:14,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:14,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:14,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:14,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:03:14,755 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:03:14,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:03:14,772 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:14,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:14,795 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:14,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:14,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:14,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336091277] [2021-03-25 18:03:14,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:14,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:14,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994713166] [2021-03-25 18:03:14,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:14,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:14,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:14,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:14,818 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:14,818 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 445 transitions, 18865 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:14,818 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:14,818 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:14,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:15,622 INFO L129 PetriNetUnfolder]: 216/2636 cut-off events. [2021-03-25 18:03:15,623 INFO L130 PetriNetUnfolder]: For 131168/131762 co-relation queries the response was YES. [2021-03-25 18:03:15,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23531 conditions, 2636 events. 216/2636 cut-off events. For 131168/131762 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 36801 event pairs, 53 based on Foata normal form. 16/2557 useless extension candidates. Maximal degree in co-relation 23388. Up to 430 conditions per place. [2021-03-25 18:03:15,659 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 157 changer transitions 2/451 dead transitions. [2021-03-25 18:03:15,660 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 451 transitions, 19941 flow [2021-03-25 18:03:15,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:15,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:15,661 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:15,661 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:15,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:15,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:15,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:15,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:15,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:15,662 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:15,662 INFO L185 Difference]: Start difference. First operand has 447 places, 445 transitions, 18865 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:15,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 451 transitions, 19941 flow [2021-03-25 18:03:16,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 451 places, 451 transitions, 19786 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-25 18:03:16,510 INFO L241 Difference]: Finished difference. Result has 452 places, 443 transitions, 18930 flow [2021-03-25 18:03:16,510 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18718, PETRI_DIFFERENCE_MINUEND_PLACES=444, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=157, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18930, PETRI_PLACES=452, PETRI_TRANSITIONS=443} [2021-03-25 18:03:16,510 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 414 predicate places. [2021-03-25 18:03:16,510 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:16,510 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 452 places, 443 transitions, 18930 flow [2021-03-25 18:03:16,510 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 452 places, 443 transitions, 18930 flow [2021-03-25 18:03:16,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 451 places, 443 transitions, 18930 flow [2021-03-25 18:03:16,940 INFO L129 PetriNetUnfolder]: 162/2533 cut-off events. [2021-03-25 18:03:16,940 INFO L130 PetriNetUnfolder]: For 125642/125818 co-relation queries the response was YES. [2021-03-25 18:03:16,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21886 conditions, 2533 events. 162/2533 cut-off events. For 125642/125818 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36361 event pairs, 0 based on Foata normal form. 0/2477 useless extension candidates. Maximal degree in co-relation 21744. Up to 324 conditions per place. [2021-03-25 18:03:16,994 INFO L142 LiptonReduction]: Number of co-enabled transitions 3046 [2021-03-25 18:03:17,023 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:17,024 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:17,024 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 514 [2021-03-25 18:03:17,024 INFO L480 AbstractCegarLoop]: Abstraction has has 451 places, 443 transitions, 18930 flow [2021-03-25 18:03:17,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:17,024 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:17,024 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:17,024 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2021-03-25 18:03:17,024 INFO L428 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:17,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:17,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1829114546, now seen corresponding path program 92 times [2021-03-25 18:03:17,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:17,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843916207] [2021-03-25 18:03:17,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:17,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:17,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:17,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:17,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:17,039 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:17,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:17,047 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:03:17,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:03:17,059 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:17,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:17,074 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:17,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:17,093 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:17,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:17,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:17,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843916207] [2021-03-25 18:03:17,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:17,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:17,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392290476] [2021-03-25 18:03:17,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:17,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:17,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:17,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:17,112 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:17,113 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 451 places, 443 transitions, 18930 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:17,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:17,113 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:17,113 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:17,943 INFO L129 PetriNetUnfolder]: 215/2626 cut-off events. [2021-03-25 18:03:17,943 INFO L130 PetriNetUnfolder]: For 131334/131918 co-relation queries the response was YES. [2021-03-25 18:03:17,969 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23648 conditions, 2626 events. 215/2626 cut-off events. For 131334/131918 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36654 event pairs, 53 based on Foata normal form. 16/2547 useless extension candidates. Maximal degree in co-relation 23505. Up to 430 conditions per place. [2021-03-25 18:03:17,974 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 254 selfloop transitions, 181 changer transitions 0/449 dead transitions. [2021-03-25 18:03:17,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 449 transitions, 20002 flow [2021-03-25 18:03:17,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:17,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:17,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:17,975 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:17,975 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:17,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:17,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:17,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:17,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:17,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:17,976 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:17,976 INFO L185 Difference]: Start difference. First operand has 451 places, 443 transitions, 18930 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:17,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 449 transitions, 20002 flow [2021-03-25 18:03:18,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 454 places, 449 transitions, 19745 flow, removed 6 selfloop flow, removed 4 redundant places. [2021-03-25 18:03:18,790 INFO L241 Difference]: Finished difference. Result has 455 places, 443 transitions, 19046 flow [2021-03-25 18:03:18,791 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18681, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=181, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=262, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19046, PETRI_PLACES=455, PETRI_TRANSITIONS=443} [2021-03-25 18:03:18,791 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 417 predicate places. [2021-03-25 18:03:18,791 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:18,791 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 455 places, 443 transitions, 19046 flow [2021-03-25 18:03:18,791 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 455 places, 443 transitions, 19046 flow [2021-03-25 18:03:18,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 455 places, 443 transitions, 19046 flow [2021-03-25 18:03:19,217 INFO L129 PetriNetUnfolder]: 162/2532 cut-off events. [2021-03-25 18:03:19,217 INFO L130 PetriNetUnfolder]: For 125615/125781 co-relation queries the response was YES. [2021-03-25 18:03:19,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21959 conditions, 2532 events. 162/2532 cut-off events. For 125615/125781 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36312 event pairs, 0 based on Foata normal form. 0/2477 useless extension candidates. Maximal degree in co-relation 21817. Up to 324 conditions per place. [2021-03-25 18:03:19,270 INFO L142 LiptonReduction]: Number of co-enabled transitions 3046 [2021-03-25 18:03:19,299 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:19,299 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:19,299 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 508 [2021-03-25 18:03:19,300 INFO L480 AbstractCegarLoop]: Abstraction has has 455 places, 443 transitions, 19046 flow [2021-03-25 18:03:19,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:19,300 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:19,300 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:19,300 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2021-03-25 18:03:19,300 INFO L428 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:19,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:19,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1559176176, now seen corresponding path program 93 times [2021-03-25 18:03:19,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:19,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130040739] [2021-03-25 18:03:19,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:19,309 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:19,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:19,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:19,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:19,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:19,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:19,322 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:03:19,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:03:19,334 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:19,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:19,351 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:03:19,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:03:19,374 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:19,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:19,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:19,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130040739] [2021-03-25 18:03:19,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:19,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:19,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419967609] [2021-03-25 18:03:19,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:19,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:19,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:19,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:19,396 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:19,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 455 places, 443 transitions, 19046 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:19,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:19,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:19,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:20,274 INFO L129 PetriNetUnfolder]: 215/2625 cut-off events. [2021-03-25 18:03:20,275 INFO L130 PetriNetUnfolder]: For 131262/131850 co-relation queries the response was YES. [2021-03-25 18:03:20,307 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23720 conditions, 2625 events. 215/2625 cut-off events. For 131262/131850 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 36664 event pairs, 53 based on Foata normal form. 17/2548 useless extension candidates. Maximal degree in co-relation 23577. Up to 430 conditions per place. [2021-03-25 18:03:20,313 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 244 selfloop transitions, 180 changer transitions 11/449 dead transitions. [2021-03-25 18:03:20,314 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 462 places, 449 transitions, 20118 flow [2021-03-25 18:03:20,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:20,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:20,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:20,314 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:20,315 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:20,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:20,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:20,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:20,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:20,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:20,316 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:20,316 INFO L185 Difference]: Start difference. First operand has 455 places, 443 transitions, 19046 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:20,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 462 places, 449 transitions, 20118 flow [2021-03-25 18:03:21,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 449 transitions, 19853 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 18:03:21,204 INFO L241 Difference]: Finished difference. Result has 460 places, 432 transitions, 18455 flow [2021-03-25 18:03:21,204 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18781, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=180, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18455, PETRI_PLACES=460, PETRI_TRANSITIONS=432} [2021-03-25 18:03:21,204 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 422 predicate places. [2021-03-25 18:03:21,204 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:21,204 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 460 places, 432 transitions, 18455 flow [2021-03-25 18:03:21,204 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 460 places, 432 transitions, 18455 flow [2021-03-25 18:03:21,209 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 432 transitions, 18455 flow [2021-03-25 18:03:21,680 INFO L129 PetriNetUnfolder]: 161/2489 cut-off events. [2021-03-25 18:03:21,681 INFO L130 PetriNetUnfolder]: For 125755/125922 co-relation queries the response was YES. [2021-03-25 18:03:21,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21758 conditions, 2489 events. 161/2489 cut-off events. For 125755/125922 co-relation queries the response was YES. Maximal size of possible extension queue 454. Compared 35531 event pairs, 0 based on Foata normal form. 0/2435 useless extension candidates. Maximal degree in co-relation 21615. Up to 322 conditions per place. [2021-03-25 18:03:21,727 INFO L142 LiptonReduction]: Number of co-enabled transitions 2938 [2021-03-25 18:03:21,755 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:21,755 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:21,755 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 551 [2021-03-25 18:03:21,756 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 432 transitions, 18455 flow [2021-03-25 18:03:21,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:21,756 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:21,756 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:21,756 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2021-03-25 18:03:21,756 INFO L428 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:21,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:21,756 INFO L82 PathProgramCache]: Analyzing trace with hash 725537740, now seen corresponding path program 94 times [2021-03-25 18:03:21,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:21,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832284594] [2021-03-25 18:03:21,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:21,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:21,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:21,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:21,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:21,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:21,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:21,775 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:03:21,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:03:21,793 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:03:21,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:03:21,818 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:03:21,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:03:21,840 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:21,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:21,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:21,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832284594] [2021-03-25 18:03:21,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:21,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:21,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223475002] [2021-03-25 18:03:21,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:21,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:21,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:21,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:21,859 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:21,859 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 432 transitions, 18455 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:21,859 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:21,859 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:21,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:22,590 INFO L129 PetriNetUnfolder]: 214/2582 cut-off events. [2021-03-25 18:03:22,591 INFO L130 PetriNetUnfolder]: For 131332/131928 co-relation queries the response was YES. [2021-03-25 18:03:22,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23501 conditions, 2582 events. 214/2582 cut-off events. For 131332/131928 co-relation queries the response was YES. Maximal size of possible extension queue 455. Compared 35827 event pairs, 53 based on Foata normal form. 17/2506 useless extension candidates. Maximal degree in co-relation 23357. Up to 430 conditions per place. [2021-03-25 18:03:22,624 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 269 selfloop transitions, 153 changer transitions 2/438 dead transitions. [2021-03-25 18:03:22,625 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 438 transitions, 19513 flow [2021-03-25 18:03:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:22,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:22,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:22,626 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:22,626 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:22,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:22,626 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:22,626 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:22,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:22,626 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:22,627 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:22,627 INFO L185 Difference]: Start difference. First operand has 454 places, 432 transitions, 18455 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:22,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 438 transitions, 19513 flow [2021-03-25 18:03:23,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 448 places, 438 transitions, 19021 flow, removed 33 selfloop flow, removed 13 redundant places. [2021-03-25 18:03:23,438 INFO L241 Difference]: Finished difference. Result has 449 places, 430 transitions, 18203 flow [2021-03-25 18:03:23,438 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18011, PETRI_DIFFERENCE_MINUEND_PLACES=441, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=153, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18203, PETRI_PLACES=449, PETRI_TRANSITIONS=430} [2021-03-25 18:03:23,438 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 411 predicate places. [2021-03-25 18:03:23,439 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:23,439 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 449 places, 430 transitions, 18203 flow [2021-03-25 18:03:23,439 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 449 places, 430 transitions, 18203 flow [2021-03-25 18:03:23,444 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 448 places, 430 transitions, 18203 flow [2021-03-25 18:03:23,846 INFO L129 PetriNetUnfolder]: 160/2479 cut-off events. [2021-03-25 18:03:23,846 INFO L130 PetriNetUnfolder]: For 110760/110926 co-relation queries the response was YES. [2021-03-25 18:03:23,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20344 conditions, 2479 events. 160/2479 cut-off events. For 110760/110926 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 35369 event pairs, 0 based on Foata normal form. 0/2427 useless extension candidates. Maximal degree in co-relation 20207. Up to 320 conditions per place. [2021-03-25 18:03:23,897 INFO L142 LiptonReduction]: Number of co-enabled transitions 2920 [2021-03-25 18:03:23,925 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:23,926 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:23,926 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 487 [2021-03-25 18:03:23,926 INFO L480 AbstractCegarLoop]: Abstraction has has 448 places, 430 transitions, 18203 flow [2021-03-25 18:03:23,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:23,926 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:23,926 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:23,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-03-25 18:03:23,926 INFO L428 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:23,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:23,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1316103308, now seen corresponding path program 95 times [2021-03-25 18:03:23,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:23,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494756431] [2021-03-25 18:03:23,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:23,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:23,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:23,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:23,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:23,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:23,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:23,945 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:03:23,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:03:23,963 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:03:23,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:03:23,989 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:03:23,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:03:24,020 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:24,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:24,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:24,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494756431] [2021-03-25 18:03:24,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:24,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:24,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245627353] [2021-03-25 18:03:24,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:24,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:24,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:24,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:24,042 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:24,043 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 448 places, 430 transitions, 18203 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:24,043 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:24,043 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:24,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:24,792 INFO L129 PetriNetUnfolder]: 213/2572 cut-off events. [2021-03-25 18:03:24,792 INFO L130 PetriNetUnfolder]: For 115421/116007 co-relation queries the response was YES. [2021-03-25 18:03:24,821 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22089 conditions, 2572 events. 213/2572 cut-off events. For 115421/116007 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 35616 event pairs, 53 based on Foata normal form. 17/2496 useless extension candidates. Maximal degree in co-relation 21951. Up to 430 conditions per place. [2021-03-25 18:03:24,827 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 261 selfloop transitions, 161 changer transitions 0/436 dead transitions. [2021-03-25 18:03:24,827 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 436 transitions, 19217 flow [2021-03-25 18:03:24,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:24,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:24,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:24,832 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:24,832 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:24,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:24,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:24,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:24,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:24,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:24,833 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:24,834 INFO L185 Difference]: Start difference. First operand has 448 places, 430 transitions, 18203 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:24,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 436 transitions, 19217 flow [2021-03-25 18:03:25,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 436 transitions, 19062 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-25 18:03:25,664 INFO L241 Difference]: Finished difference. Result has 453 places, 430 transitions, 18381 flow [2021-03-25 18:03:25,665 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18056, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=161, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18381, PETRI_PLACES=453, PETRI_TRANSITIONS=430} [2021-03-25 18:03:25,665 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 415 predicate places. [2021-03-25 18:03:25,665 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:25,665 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 453 places, 430 transitions, 18381 flow [2021-03-25 18:03:25,665 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 453 places, 430 transitions, 18381 flow [2021-03-25 18:03:25,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 453 places, 430 transitions, 18381 flow [2021-03-25 18:03:26,079 INFO L129 PetriNetUnfolder]: 160/2478 cut-off events. [2021-03-25 18:03:26,080 INFO L130 PetriNetUnfolder]: For 111721/111888 co-relation queries the response was YES. [2021-03-25 18:03:26,105 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20542 conditions, 2478 events. 160/2478 cut-off events. For 111721/111888 co-relation queries the response was YES. Maximal size of possible extension queue 451. Compared 35305 event pairs, 0 based on Foata normal form. 0/2426 useless extension candidates. Maximal degree in co-relation 20405. Up to 320 conditions per place. [2021-03-25 18:03:26,132 INFO L142 LiptonReduction]: Number of co-enabled transitions 2920 [2021-03-25 18:03:26,161 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:26,161 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:26,161 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 496 [2021-03-25 18:03:26,161 INFO L480 AbstractCegarLoop]: Abstraction has has 453 places, 430 transitions, 18381 flow [2021-03-25 18:03:26,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:26,161 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:26,161 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:26,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2021-03-25 18:03:26,162 INFO L428 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:26,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:26,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1402081080, now seen corresponding path program 96 times [2021-03-25 18:03:26,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:26,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322928846] [2021-03-25 18:03:26,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:26,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:26,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:26,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:26,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:26,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:26,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:26,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:26,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:03:26,196 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:26,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:26,214 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:03:26,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:03:26,237 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:26,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:26,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:26,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322928846] [2021-03-25 18:03:26,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:26,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:26,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800706116] [2021-03-25 18:03:26,260 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:26,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:26,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:26,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:26,261 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:26,261 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 430 transitions, 18381 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:26,261 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:26,261 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:26,261 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:27,101 INFO L129 PetriNetUnfolder]: 213/2571 cut-off events. [2021-03-25 18:03:27,102 INFO L130 PetriNetUnfolder]: For 116099/116693 co-relation queries the response was YES. [2021-03-25 18:03:27,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22286 conditions, 2571 events. 213/2571 cut-off events. For 116099/116693 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 35620 event pairs, 53 based on Foata normal form. 16/2494 useless extension candidates. Maximal degree in co-relation 22148. Up to 430 conditions per place. [2021-03-25 18:03:27,134 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 261 selfloop transitions, 158 changer transitions 3/436 dead transitions. [2021-03-25 18:03:27,135 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 460 places, 436 transitions, 19395 flow [2021-03-25 18:03:27,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:27,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:27,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:27,137 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:27,137 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:27,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:27,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:27,137 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:27,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:27,138 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:27,139 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:27,139 INFO L185 Difference]: Start difference. First operand has 453 places, 430 transitions, 18381 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:27,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 460 places, 436 transitions, 19395 flow [2021-03-25 18:03:27,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 436 transitions, 19079 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-25 18:03:27,835 INFO L241 Difference]: Finished difference. Result has 456 places, 427 transitions, 18198 flow [2021-03-25 18:03:27,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18065, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=430, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=158, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18198, PETRI_PLACES=456, PETRI_TRANSITIONS=427} [2021-03-25 18:03:27,835 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 418 predicate places. [2021-03-25 18:03:27,836 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:27,836 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 456 places, 427 transitions, 18198 flow [2021-03-25 18:03:27,836 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 456 places, 427 transitions, 18198 flow [2021-03-25 18:03:27,841 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 454 places, 427 transitions, 18198 flow [2021-03-25 18:03:28,240 INFO L129 PetriNetUnfolder]: 159/2462 cut-off events. [2021-03-25 18:03:28,241 INFO L130 PetriNetUnfolder]: For 111812/111991 co-relation queries the response was YES. [2021-03-25 18:03:28,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20673 conditions, 2462 events. 159/2462 cut-off events. For 111812/111991 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 35054 event pairs, 0 based on Foata normal form. 0/2406 useless extension candidates. Maximal degree in co-relation 20537. Up to 318 conditions per place. [2021-03-25 18:03:28,292 INFO L142 LiptonReduction]: Number of co-enabled transitions 2890 [2021-03-25 18:03:28,320 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:28,321 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:28,321 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 485 [2021-03-25 18:03:28,321 INFO L480 AbstractCegarLoop]: Abstraction has has 454 places, 427 transitions, 18198 flow [2021-03-25 18:03:28,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:28,321 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:28,321 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:28,321 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2021-03-25 18:03:28,321 INFO L428 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:28,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:28,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1800513136, now seen corresponding path program 97 times [2021-03-25 18:03:28,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:28,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724222579] [2021-03-25 18:03:28,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:28,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:28,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:28,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:28,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:28,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:28,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:28,340 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:03:28,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:03:28,358 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:28,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:28,376 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:28,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:28,403 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:28,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:28,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:28,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724222579] [2021-03-25 18:03:28,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:28,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:28,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339269257] [2021-03-25 18:03:28,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:28,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:28,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:28,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:28,425 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:28,425 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 454 places, 427 transitions, 18198 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:28,425 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:28,425 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:28,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:29,210 INFO L129 PetriNetUnfolder]: 212/2555 cut-off events. [2021-03-25 18:03:29,210 INFO L130 PetriNetUnfolder]: For 116404/117002 co-relation queries the response was YES. [2021-03-25 18:03:29,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22410 conditions, 2555 events. 212/2555 cut-off events. For 116404/117002 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 35373 event pairs, 53 based on Foata normal form. 17/2481 useless extension candidates. Maximal degree in co-relation 22273. Up to 430 conditions per place. [2021-03-25 18:03:29,241 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 270 selfloop transitions, 147 changer transitions 2/433 dead transitions. [2021-03-25 18:03:29,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 433 transitions, 19214 flow [2021-03-25 18:03:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:29,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:29,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:29,242 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:29,243 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:29,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:29,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:29,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:29,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:29,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:29,249 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:29,249 INFO L185 Difference]: Start difference. First operand has 454 places, 427 transitions, 18198 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:29,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 433 transitions, 19214 flow [2021-03-25 18:03:29,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 455 places, 433 transitions, 18899 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-25 18:03:29,961 INFO L241 Difference]: Finished difference. Result has 457 places, 426 transitions, 18173 flow [2021-03-25 18:03:29,962 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17899, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=146, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18173, PETRI_PLACES=457, PETRI_TRANSITIONS=426} [2021-03-25 18:03:29,962 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 419 predicate places. [2021-03-25 18:03:29,962 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:29,962 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 457 places, 426 transitions, 18173 flow [2021-03-25 18:03:29,962 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 457 places, 426 transitions, 18173 flow [2021-03-25 18:03:29,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 456 places, 426 transitions, 18173 flow [2021-03-25 18:03:30,367 INFO L129 PetriNetUnfolder]: 158/2452 cut-off events. [2021-03-25 18:03:30,367 INFO L130 PetriNetUnfolder]: For 109799/109965 co-relation queries the response was YES. [2021-03-25 18:03:30,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20372 conditions, 2452 events. 158/2452 cut-off events. For 109799/109965 co-relation queries the response was YES. Maximal size of possible extension queue 447. Compared 34847 event pairs, 0 based on Foata normal form. 0/2401 useless extension candidates. Maximal degree in co-relation 20236. Up to 316 conditions per place. [2021-03-25 18:03:30,418 INFO L142 LiptonReduction]: Number of co-enabled transitions 2888 [2021-03-25 18:03:30,446 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:30,447 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:30,447 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 485 [2021-03-25 18:03:30,447 INFO L480 AbstractCegarLoop]: Abstraction has has 456 places, 426 transitions, 18173 flow [2021-03-25 18:03:30,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:30,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:30,447 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:30,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2021-03-25 18:03:30,447 INFO L428 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:30,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:30,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1520729992, now seen corresponding path program 98 times [2021-03-25 18:03:30,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:30,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687439229] [2021-03-25 18:03:30,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:30,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:30,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:30,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:30,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:30,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:30,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:30,467 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:03:30,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:03:30,486 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:30,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:30,500 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:30,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:30,519 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:30,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:30,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:30,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687439229] [2021-03-25 18:03:30,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:30,538 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:30,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615494853] [2021-03-25 18:03:30,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:30,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:30,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:30,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:30,539 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:30,539 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 456 places, 426 transitions, 18173 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:30,539 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:30,539 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:30,539 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:31,277 INFO L129 PetriNetUnfolder]: 211/2545 cut-off events. [2021-03-25 18:03:31,277 INFO L130 PetriNetUnfolder]: For 114436/115022 co-relation queries the response was YES. [2021-03-25 18:03:31,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22107 conditions, 2545 events. 211/2545 cut-off events. For 114436/115022 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 35228 event pairs, 53 based on Foata normal form. 17/2470 useless extension candidates. Maximal degree in co-relation 21970. Up to 430 conditions per place. [2021-03-25 18:03:31,310 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 270 selfloop transitions, 145 changer transitions 2/431 dead transitions. [2021-03-25 18:03:31,310 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 431 transitions, 19129 flow [2021-03-25 18:03:31,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:31,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:31,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:31,311 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:31,311 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:31,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:31,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:31,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:31,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:31,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:31,312 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:31,312 INFO L185 Difference]: Start difference. First operand has 456 places, 426 transitions, 18173 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:31,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 463 places, 431 transitions, 19129 flow [2021-03-25 18:03:32,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 431 transitions, 18879 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-25 18:03:32,036 INFO L241 Difference]: Finished difference. Result has 460 places, 424 transitions, 18105 flow [2021-03-25 18:03:32,037 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17931, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=145, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18105, PETRI_PLACES=460, PETRI_TRANSITIONS=424} [2021-03-25 18:03:32,037 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 422 predicate places. [2021-03-25 18:03:32,037 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:32,037 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 460 places, 424 transitions, 18105 flow [2021-03-25 18:03:32,037 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 460 places, 424 transitions, 18105 flow [2021-03-25 18:03:32,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 424 transitions, 18105 flow [2021-03-25 18:03:32,422 INFO L129 PetriNetUnfolder]: 157/2442 cut-off events. [2021-03-25 18:03:32,422 INFO L130 PetriNetUnfolder]: For 109714/109928 co-relation queries the response was YES. [2021-03-25 18:03:32,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20363 conditions, 2442 events. 157/2442 cut-off events. For 109714/109928 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 34722 event pairs, 0 based on Foata normal form. 0/2387 useless extension candidates. Maximal degree in co-relation 20227. Up to 314 conditions per place. [2021-03-25 18:03:32,473 INFO L142 LiptonReduction]: Number of co-enabled transitions 2878 [2021-03-25 18:03:32,500 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:32,501 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:32,501 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 464 [2021-03-25 18:03:32,501 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 424 transitions, 18105 flow [2021-03-25 18:03:32,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:32,501 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:32,501 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:32,501 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2021-03-25 18:03:32,501 INFO L428 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:32,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:32,502 INFO L82 PathProgramCache]: Analyzing trace with hash 844136788, now seen corresponding path program 99 times [2021-03-25 18:03:32,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:32,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293271994] [2021-03-25 18:03:32,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:32,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:32,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:32,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:32,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:32,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:32,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:32,529 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:03:32,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:03:32,547 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:03:32,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:03:32,580 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:32,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:32,599 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:32,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:32,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:32,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293271994] [2021-03-25 18:03:32,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:32,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:32,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389584192] [2021-03-25 18:03:32,617 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:32,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:32,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:32,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:32,618 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:32,618 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 424 transitions, 18105 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:32,618 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:32,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:32,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:33,291 INFO L129 PetriNetUnfolder]: 210/2535 cut-off events. [2021-03-25 18:03:33,292 INFO L130 PetriNetUnfolder]: For 113902/114498 co-relation queries the response was YES. [2021-03-25 18:03:33,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22095 conditions, 2535 events. 210/2535 cut-off events. For 113902/114498 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 35007 event pairs, 53 based on Foata normal form. 17/2460 useless extension candidates. Maximal degree in co-relation 21958. Up to 430 conditions per place. [2021-03-25 18:03:33,323 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 259 selfloop transitions, 152 changer transitions 4/429 dead transitions. [2021-03-25 18:03:33,323 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 429 transitions, 19057 flow [2021-03-25 18:03:33,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:33,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:33,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:33,324 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:33,324 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:33,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:33,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:33,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:33,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:33,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:33,325 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:33,325 INFO L185 Difference]: Start difference. First operand has 459 places, 424 transitions, 18105 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:33,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 429 transitions, 19057 flow [2021-03-25 18:03:34,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 460 places, 429 transitions, 18667 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-25 18:03:34,014 INFO L241 Difference]: Finished difference. Result has 461 places, 420 transitions, 17776 flow [2021-03-25 18:03:34,014 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17723, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=152, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17776, PETRI_PLACES=461, PETRI_TRANSITIONS=420} [2021-03-25 18:03:34,014 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 423 predicate places. [2021-03-25 18:03:34,014 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:34,014 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 461 places, 420 transitions, 17776 flow [2021-03-25 18:03:34,014 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 461 places, 420 transitions, 17776 flow [2021-03-25 18:03:34,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 459 places, 420 transitions, 17776 flow [2021-03-25 18:03:34,392 INFO L129 PetriNetUnfolder]: 156/2425 cut-off events. [2021-03-25 18:03:34,392 INFO L130 PetriNetUnfolder]: For 107394/107560 co-relation queries the response was YES. [2021-03-25 18:03:34,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20071 conditions, 2425 events. 156/2425 cut-off events. For 107394/107560 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 34437 event pairs, 0 based on Foata normal form. 0/2374 useless extension candidates. Maximal degree in co-relation 19935. Up to 312 conditions per place. [2021-03-25 18:03:34,442 INFO L142 LiptonReduction]: Number of co-enabled transitions 2842 [2021-03-25 18:03:34,470 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:34,471 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:34,471 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 457 [2021-03-25 18:03:34,471 INFO L480 AbstractCegarLoop]: Abstraction has has 459 places, 420 transitions, 17776 flow [2021-03-25 18:03:34,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:34,471 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:34,471 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:34,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-03-25 18:03:34,471 INFO L428 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:34,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:34,471 INFO L82 PathProgramCache]: Analyzing trace with hash 694686612, now seen corresponding path program 100 times [2021-03-25 18:03:34,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:34,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606835278] [2021-03-25 18:03:34,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:34,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:34,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:34,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:34,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:34,482 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:34,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:34,489 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:03:34,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:03:34,499 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:34,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:34,514 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:34,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:34,548 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:34,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:34,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:34,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606835278] [2021-03-25 18:03:34,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:34,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:34,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024447738] [2021-03-25 18:03:34,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:34,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:34,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:34,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:34,573 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:34,573 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 459 places, 420 transitions, 17776 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:34,573 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:34,573 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:34,573 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:35,289 INFO L129 PetriNetUnfolder]: 209/2518 cut-off events. [2021-03-25 18:03:35,289 INFO L130 PetriNetUnfolder]: For 112012/112596 co-relation queries the response was YES. [2021-03-25 18:03:35,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21797 conditions, 2518 events. 209/2518 cut-off events. For 112012/112596 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 34719 event pairs, 53 based on Foata normal form. 16/2442 useless extension candidates. Maximal degree in co-relation 21660. Up to 430 conditions per place. [2021-03-25 18:03:35,323 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 142 changer transitions 2/438 dead transitions. [2021-03-25 18:03:35,323 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 466 places, 438 transitions, 19415 flow [2021-03-25 18:03:35,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:35,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:35,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:35,324 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:35,324 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:35,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:35,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:35,324 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:35,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:35,325 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:35,325 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:35,325 INFO L185 Difference]: Start difference. First operand has 459 places, 420 transitions, 17776 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:35,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 466 places, 438 transitions, 19415 flow [2021-03-25 18:03:36,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 459 places, 438 transitions, 19086 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-03-25 18:03:36,039 INFO L241 Difference]: Finished difference. Result has 463 places, 427 transitions, 18253 flow [2021-03-25 18:03:36,040 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17477, PETRI_DIFFERENCE_MINUEND_PLACES=452, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=420, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18253, PETRI_PLACES=463, PETRI_TRANSITIONS=427} [2021-03-25 18:03:36,040 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 425 predicate places. [2021-03-25 18:03:36,040 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:36,040 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 463 places, 427 transitions, 18253 flow [2021-03-25 18:03:36,040 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 463 places, 427 transitions, 18253 flow [2021-03-25 18:03:36,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 462 places, 427 transitions, 18253 flow [2021-03-25 18:03:36,474 INFO L129 PetriNetUnfolder]: 155/2415 cut-off events. [2021-03-25 18:03:36,474 INFO L130 PetriNetUnfolder]: For 108562/108752 co-relation queries the response was YES. [2021-03-25 18:03:36,499 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19834 conditions, 2415 events. 155/2415 cut-off events. For 108562/108752 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 34243 event pairs, 0 based on Foata normal form. 1/2365 useless extension candidates. Maximal degree in co-relation 19696. Up to 310 conditions per place. [2021-03-25 18:03:36,522 INFO L142 LiptonReduction]: Number of co-enabled transitions 2908 [2021-03-25 18:03:36,549 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:36,549 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:36,549 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 509 [2021-03-25 18:03:36,550 INFO L480 AbstractCegarLoop]: Abstraction has has 462 places, 427 transitions, 18253 flow [2021-03-25 18:03:36,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:36,550 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:36,550 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:36,550 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2021-03-25 18:03:36,550 INFO L428 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:36,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:36,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1657388968, now seen corresponding path program 101 times [2021-03-25 18:03:36,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:36,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357332756] [2021-03-25 18:03:36,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:36,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:36,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:36,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:36,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:36,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:36,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:36,567 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:03:36,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:03:36,577 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:36,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:36,591 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:36,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:36,609 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:36,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:36,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:36,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357332756] [2021-03-25 18:03:36,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:36,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:36,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056687772] [2021-03-25 18:03:36,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:36,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:36,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:36,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:36,628 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:36,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 462 places, 427 transitions, 18253 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:36,628 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:36,628 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:36,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:37,357 INFO L129 PetriNetUnfolder]: 208/2508 cut-off events. [2021-03-25 18:03:37,358 INFO L130 PetriNetUnfolder]: For 112698/113284 co-relation queries the response was YES. [2021-03-25 18:03:37,384 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21558 conditions, 2508 events. 208/2508 cut-off events. For 112698/113284 co-relation queries the response was YES. Maximal size of possible extension queue 439. Compared 34591 event pairs, 53 based on Foata normal form. 16/2427 useless extension candidates. Maximal degree in co-relation 21419. Up to 430 conditions per place. [2021-03-25 18:03:37,390 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 145 changer transitions 0/436 dead transitions. [2021-03-25 18:03:37,390 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 436 transitions, 19417 flow [2021-03-25 18:03:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:37,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:37,391 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:37,391 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:37,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:37,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:37,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:37,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:37,391 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:37,391 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:37,392 INFO L185 Difference]: Start difference. First operand has 462 places, 427 transitions, 18253 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:37,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 469 places, 436 transitions, 19417 flow [2021-03-25 18:03:38,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 465 places, 436 transitions, 19255 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-03-25 18:03:38,140 INFO L241 Difference]: Finished difference. Result has 467 places, 428 transitions, 18463 flow [2021-03-25 18:03:38,140 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18099, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=427, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=144, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=282, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18463, PETRI_PLACES=467, PETRI_TRANSITIONS=428} [2021-03-25 18:03:38,140 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 429 predicate places. [2021-03-25 18:03:38,141 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:38,141 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 467 places, 428 transitions, 18463 flow [2021-03-25 18:03:38,141 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 467 places, 428 transitions, 18463 flow [2021-03-25 18:03:38,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 467 places, 428 transitions, 18463 flow [2021-03-25 18:03:38,537 INFO L129 PetriNetUnfolder]: 155/2414 cut-off events. [2021-03-25 18:03:38,537 INFO L130 PetriNetUnfolder]: For 109045/109213 co-relation queries the response was YES. [2021-03-25 18:03:38,562 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20010 conditions, 2414 events. 155/2414 cut-off events. For 109045/109213 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 34239 event pairs, 0 based on Foata normal form. 0/2363 useless extension candidates. Maximal degree in co-relation 19872. Up to 310 conditions per place. [2021-03-25 18:03:38,587 INFO L142 LiptonReduction]: Number of co-enabled transitions 2916 [2021-03-25 18:03:38,615 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:38,616 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:38,616 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 475 [2021-03-25 18:03:38,616 INFO L480 AbstractCegarLoop]: Abstraction has has 467 places, 428 transitions, 18463 flow [2021-03-25 18:03:38,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:38,616 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:38,616 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:38,616 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2021-03-25 18:03:38,616 INFO L428 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:38,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:38,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1912850298, now seen corresponding path program 102 times [2021-03-25 18:03:38,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:38,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31680431] [2021-03-25 18:03:38,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:38,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:38,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:38,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:38,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:38,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:38,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:38,634 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:03:38,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:03:38,644 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:38,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:38,659 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:38,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:38,678 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:38,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:38,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:38,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31680431] [2021-03-25 18:03:38,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:38,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:38,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896684997] [2021-03-25 18:03:38,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:38,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:38,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:38,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:38,698 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:38,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 467 places, 428 transitions, 18463 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:38,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:38,698 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:38,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:39,448 INFO L129 PetriNetUnfolder]: 208/2507 cut-off events. [2021-03-25 18:03:39,449 INFO L130 PetriNetUnfolder]: For 113224/113822 co-relation queries the response was YES. [2021-03-25 18:03:39,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21733 conditions, 2507 events. 208/2507 cut-off events. For 113224/113822 co-relation queries the response was YES. Maximal size of possible extension queue 439. Compared 34598 event pairs, 53 based on Foata normal form. 17/2427 useless extension candidates. Maximal degree in co-relation 21594. Up to 430 conditions per place. [2021-03-25 18:03:39,483 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 141 changer transitions 1/436 dead transitions. [2021-03-25 18:03:39,483 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 474 places, 436 transitions, 19562 flow [2021-03-25 18:03:39,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:39,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:39,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:39,484 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:39,484 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:39,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:39,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:39,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:39,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:39,485 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:39,485 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:39,485 INFO L185 Difference]: Start difference. First operand has 467 places, 428 transitions, 18463 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:39,485 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 474 places, 436 transitions, 19562 flow [2021-03-25 18:03:40,254 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 469 places, 436 transitions, 19184 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-25 18:03:40,264 INFO L241 Difference]: Finished difference. Result has 471 places, 428 transitions, 18381 flow [2021-03-25 18:03:40,264 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18089, PETRI_DIFFERENCE_MINUEND_PLACES=462, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=287, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18381, PETRI_PLACES=471, PETRI_TRANSITIONS=428} [2021-03-25 18:03:40,264 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 433 predicate places. [2021-03-25 18:03:40,264 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:40,264 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 471 places, 428 transitions, 18381 flow [2021-03-25 18:03:40,264 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 471 places, 428 transitions, 18381 flow [2021-03-25 18:03:40,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 470 places, 428 transitions, 18381 flow [2021-03-25 18:03:40,664 INFO L129 PetriNetUnfolder]: 154/2405 cut-off events. [2021-03-25 18:03:40,664 INFO L130 PetriNetUnfolder]: For 110288/110485 co-relation queries the response was YES. [2021-03-25 18:03:40,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20066 conditions, 2405 events. 154/2405 cut-off events. For 110288/110485 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 34069 event pairs, 0 based on Foata normal form. 0/2348 useless extension candidates. Maximal degree in co-relation 19926. Up to 308 conditions per place. [2021-03-25 18:03:40,714 INFO L142 LiptonReduction]: Number of co-enabled transitions 2922 [2021-03-25 18:03:40,742 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:40,742 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:40,743 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 479 [2021-03-25 18:03:40,743 INFO L480 AbstractCegarLoop]: Abstraction has has 470 places, 428 transitions, 18381 flow [2021-03-25 18:03:40,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:40,743 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:40,743 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:40,743 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2021-03-25 18:03:40,743 INFO L428 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:40,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:40,743 INFO L82 PathProgramCache]: Analyzing trace with hash -905440104, now seen corresponding path program 103 times [2021-03-25 18:03:40,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:40,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214967072] [2021-03-25 18:03:40,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:40,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:40,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:40,751 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:40,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:40,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:40,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:40,762 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:03:40,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:03:40,776 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:40,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:40,792 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:40,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:40,824 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:40,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:40,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:40,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214967072] [2021-03-25 18:03:40,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:40,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:40,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043002767] [2021-03-25 18:03:40,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:40,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:40,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:40,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:40,845 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:40,845 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 470 places, 428 transitions, 18381 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:40,845 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:40,845 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:40,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:41,613 INFO L129 PetriNetUnfolder]: 207/2498 cut-off events. [2021-03-25 18:03:41,613 INFO L130 PetriNetUnfolder]: For 115098/115691 co-relation queries the response was YES. [2021-03-25 18:03:41,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21786 conditions, 2498 events. 207/2498 cut-off events. For 115098/115691 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 34444 event pairs, 53 based on Foata normal form. 17/2418 useless extension candidates. Maximal degree in co-relation 21645. Up to 430 conditions per place. [2021-03-25 18:03:41,660 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 140 changer transitions 4/435 dead transitions. [2021-03-25 18:03:41,660 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 477 places, 435 transitions, 19432 flow [2021-03-25 18:03:41,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:41,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:41,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:41,661 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:41,661 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:41,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:41,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:41,662 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:41,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:41,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:41,662 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:41,663 INFO L185 Difference]: Start difference. First operand has 470 places, 428 transitions, 18381 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:41,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 477 places, 435 transitions, 19432 flow [2021-03-25 18:03:42,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 474 places, 435 transitions, 19285 flow, removed 5 selfloop flow, removed 3 redundant places. [2021-03-25 18:03:42,462 INFO L241 Difference]: Finished difference. Result has 476 places, 426 transitions, 18405 flow [2021-03-25 18:03:42,462 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18242, PETRI_DIFFERENCE_MINUEND_PLACES=467, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18405, PETRI_PLACES=476, PETRI_TRANSITIONS=426} [2021-03-25 18:03:42,462 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 438 predicate places. [2021-03-25 18:03:42,462 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:42,462 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 476 places, 426 transitions, 18405 flow [2021-03-25 18:03:42,462 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 476 places, 426 transitions, 18405 flow [2021-03-25 18:03:42,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 474 places, 426 transitions, 18405 flow [2021-03-25 18:03:42,851 INFO L129 PetriNetUnfolder]: 153/2388 cut-off events. [2021-03-25 18:03:42,852 INFO L130 PetriNetUnfolder]: For 110236/110403 co-relation queries the response was YES. [2021-03-25 18:03:42,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20082 conditions, 2388 events. 153/2388 cut-off events. For 110236/110403 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 33814 event pairs, 0 based on Foata normal form. 0/2336 useless extension candidates. Maximal degree in co-relation 19941. Up to 306 conditions per place. [2021-03-25 18:03:42,902 INFO L142 LiptonReduction]: Number of co-enabled transitions 2910 [2021-03-25 18:03:42,931 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:42,931 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:42,931 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 469 [2021-03-25 18:03:42,932 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 426 transitions, 18405 flow [2021-03-25 18:03:42,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:42,932 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:42,932 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:42,932 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2021-03-25 18:03:42,932 INFO L428 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:42,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:42,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1374994720, now seen corresponding path program 104 times [2021-03-25 18:03:42,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:42,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313852030] [2021-03-25 18:03:42,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:42,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:42,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:42,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:42,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:42,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:42,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:42,954 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:03:42,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:03:42,964 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:03:42,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:03:42,978 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:42,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:42,996 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:42,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:43,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:43,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313852030] [2021-03-25 18:03:43,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:43,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:43,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991511107] [2021-03-25 18:03:43,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:43,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:43,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:43,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:43,016 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:43,017 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 426 transitions, 18405 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:43,017 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:43,017 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:43,017 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:43,757 INFO L129 PetriNetUnfolder]: 206/2481 cut-off events. [2021-03-25 18:03:43,758 INFO L130 PetriNetUnfolder]: For 114866/115469 co-relation queries the response was YES. [2021-03-25 18:03:43,783 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21796 conditions, 2481 events. 206/2481 cut-off events. For 114866/115469 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 34159 event pairs, 53 based on Foata normal form. 17/2401 useless extension candidates. Maximal degree in co-relation 21654. Up to 430 conditions per place. [2021-03-25 18:03:43,788 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 137 changer transitions 2/431 dead transitions. [2021-03-25 18:03:43,789 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 431 transitions, 19358 flow [2021-03-25 18:03:43,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:43,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:43,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:43,789 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:43,790 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:43,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:43,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:43,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:43,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:43,790 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:43,790 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:43,790 INFO L185 Difference]: Start difference. First operand has 474 places, 426 transitions, 18405 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:43,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 431 transitions, 19358 flow [2021-03-25 18:03:44,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 473 places, 431 transitions, 19006 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-03-25 18:03:44,500 INFO L241 Difference]: Finished difference. Result has 475 places, 425 transitions, 18311 flow [2021-03-25 18:03:44,500 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18069, PETRI_DIFFERENCE_MINUEND_PLACES=466, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18311, PETRI_PLACES=475, PETRI_TRANSITIONS=425} [2021-03-25 18:03:44,501 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 437 predicate places. [2021-03-25 18:03:44,501 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:44,501 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 475 places, 425 transitions, 18311 flow [2021-03-25 18:03:44,501 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 475 places, 425 transitions, 18311 flow [2021-03-25 18:03:44,506 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 474 places, 425 transitions, 18311 flow [2021-03-25 18:03:44,894 INFO L129 PetriNetUnfolder]: 152/2378 cut-off events. [2021-03-25 18:03:44,894 INFO L130 PetriNetUnfolder]: For 108600/108777 co-relation queries the response was YES. [2021-03-25 18:03:44,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19736 conditions, 2378 events. 152/2378 cut-off events. For 108600/108777 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 33669 event pairs, 0 based on Foata normal form. 0/2324 useless extension candidates. Maximal degree in co-relation 19596. Up to 304 conditions per place. [2021-03-25 18:03:44,943 INFO L142 LiptonReduction]: Number of co-enabled transitions 2914 [2021-03-25 18:03:44,971 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:44,971 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:44,972 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 471 [2021-03-25 18:03:44,972 INFO L480 AbstractCegarLoop]: Abstraction has has 474 places, 425 transitions, 18311 flow [2021-03-25 18:03:44,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:44,972 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:44,972 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:44,972 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-03-25 18:03:44,972 INFO L428 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:44,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:44,973 INFO L82 PathProgramCache]: Analyzing trace with hash 167645276, now seen corresponding path program 105 times [2021-03-25 18:03:44,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:44,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050151962] [2021-03-25 18:03:44,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:44,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:44,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:44,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:44,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:44,988 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:44,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:44,995 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:03:44,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:03:45,005 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:03:45,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:03:45,018 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:45,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:45,037 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:45,037 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:45,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:45,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050151962] [2021-03-25 18:03:45,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:45,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:45,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453419598] [2021-03-25 18:03:45,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:45,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:45,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:45,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:45,057 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:45,057 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 474 places, 425 transitions, 18311 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:45,057 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:45,057 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:45,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:45,802 INFO L129 PetriNetUnfolder]: 205/2471 cut-off events. [2021-03-25 18:03:45,802 INFO L130 PetriNetUnfolder]: For 113225/113816 co-relation queries the response was YES. [2021-03-25 18:03:45,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21448 conditions, 2471 events. 205/2471 cut-off events. For 113225/113816 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 33960 event pairs, 53 based on Foata normal form. 16/2390 useless extension candidates. Maximal degree in co-relation 21307. Up to 430 conditions per place. [2021-03-25 18:03:45,832 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 136 changer transitions 2/429 dead transitions. [2021-03-25 18:03:45,832 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 481 places, 429 transitions, 19213 flow [2021-03-25 18:03:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:45,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:45,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:45,833 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:45,833 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:45,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:45,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:45,833 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:45,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:45,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:45,834 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:45,834 INFO L185 Difference]: Start difference. First operand has 474 places, 425 transitions, 18311 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:45,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 481 places, 429 transitions, 19213 flow [2021-03-25 18:03:46,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 477 places, 429 transitions, 18974 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-25 18:03:46,581 INFO L241 Difference]: Finished difference. Result has 478 places, 423 transitions, 18240 flow [2021-03-25 18:03:46,582 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18080, PETRI_DIFFERENCE_MINUEND_PLACES=470, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=425, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18240, PETRI_PLACES=478, PETRI_TRANSITIONS=423} [2021-03-25 18:03:46,582 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 440 predicate places. [2021-03-25 18:03:46,582 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:46,582 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 478 places, 423 transitions, 18240 flow [2021-03-25 18:03:46,582 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 478 places, 423 transitions, 18240 flow [2021-03-25 18:03:46,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 477 places, 423 transitions, 18240 flow [2021-03-25 18:03:46,971 INFO L129 PetriNetUnfolder]: 151/2368 cut-off events. [2021-03-25 18:03:46,971 INFO L130 PetriNetUnfolder]: For 108462/108629 co-relation queries the response was YES. [2021-03-25 18:03:46,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19720 conditions, 2368 events. 151/2368 cut-off events. For 108462/108629 co-relation queries the response was YES. Maximal size of possible extension queue 430. Compared 33493 event pairs, 0 based on Foata normal form. 0/2315 useless extension candidates. Maximal degree in co-relation 19580. Up to 302 conditions per place. [2021-03-25 18:03:47,021 INFO L142 LiptonReduction]: Number of co-enabled transitions 2902 [2021-03-25 18:03:47,049 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:47,049 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:47,049 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 467 [2021-03-25 18:03:47,049 INFO L480 AbstractCegarLoop]: Abstraction has has 477 places, 423 transitions, 18240 flow [2021-03-25 18:03:47,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:47,049 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:47,049 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:47,050 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2021-03-25 18:03:47,050 INFO L428 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:47,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:47,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1101702052, now seen corresponding path program 106 times [2021-03-25 18:03:47,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:47,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220573766] [2021-03-25 18:03:47,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:47,059 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:47,059 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:47,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:47,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:47,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:47,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:47,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:47,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:03:47,088 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-25 18:03:47,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 18:03:47,113 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:47,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:47,132 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:47,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:47,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220573766] [2021-03-25 18:03:47,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:47,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:47,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916097863] [2021-03-25 18:03:47,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:47,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:47,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:47,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:47,151 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:47,152 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 477 places, 423 transitions, 18240 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:47,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:47,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:47,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:47,830 INFO L129 PetriNetUnfolder]: 204/2461 cut-off events. [2021-03-25 18:03:47,830 INFO L130 PetriNetUnfolder]: For 112831/113432 co-relation queries the response was YES. [2021-03-25 18:03:47,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21429 conditions, 2461 events. 204/2461 cut-off events. For 112831/113432 co-relation queries the response was YES. Maximal size of possible extension queue 431. Compared 33848 event pairs, 53 based on Foata normal form. 16/2380 useless extension candidates. Maximal degree in co-relation 21288. Up to 417 conditions per place. [2021-03-25 18:03:47,862 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 288 selfloop transitions, 138 changer transitions 2/442 dead transitions. [2021-03-25 18:03:47,862 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 484 places, 442 transitions, 19838 flow [2021-03-25 18:03:47,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:47,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:47,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:47,863 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:47,863 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:47,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:47,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:47,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:47,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:47,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:47,864 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:47,864 INFO L185 Difference]: Start difference. First operand has 477 places, 423 transitions, 18240 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:47,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 484 places, 442 transitions, 19838 flow [2021-03-25 18:03:48,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 442 transitions, 19498 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-25 18:03:48,609 INFO L241 Difference]: Finished difference. Result has 479 places, 421 transitions, 18109 flow [2021-03-25 18:03:48,609 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17938, PETRI_DIFFERENCE_MINUEND_PLACES=471, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=423, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18109, PETRI_PLACES=479, PETRI_TRANSITIONS=421} [2021-03-25 18:03:48,609 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 441 predicate places. [2021-03-25 18:03:48,609 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:48,609 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 479 places, 421 transitions, 18109 flow [2021-03-25 18:03:48,609 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 479 places, 421 transitions, 18109 flow [2021-03-25 18:03:48,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 478 places, 421 transitions, 18109 flow [2021-03-25 18:03:49,002 INFO L129 PetriNetUnfolder]: 150/2358 cut-off events. [2021-03-25 18:03:49,002 INFO L130 PetriNetUnfolder]: For 108756/108957 co-relation queries the response was YES. [2021-03-25 18:03:49,026 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19626 conditions, 2358 events. 150/2358 cut-off events. For 108756/108957 co-relation queries the response was YES. Maximal size of possible extension queue 427. Compared 33336 event pairs, 0 based on Foata normal form. 0/2304 useless extension candidates. Maximal degree in co-relation 19486. Up to 300 conditions per place. [2021-03-25 18:03:49,049 INFO L142 LiptonReduction]: Number of co-enabled transitions 2888 [2021-03-25 18:03:49,077 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:49,077 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:49,077 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 468 [2021-03-25 18:03:49,077 INFO L480 AbstractCegarLoop]: Abstraction has has 478 places, 421 transitions, 18109 flow [2021-03-25 18:03:49,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:49,077 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:49,077 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:49,077 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2021-03-25 18:03:49,077 INFO L428 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:49,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:49,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1253941404, now seen corresponding path program 107 times [2021-03-25 18:03:49,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:49,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213656545] [2021-03-25 18:03:49,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:49,083 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:49,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:49,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:49,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:49,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:49,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:49,097 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:49,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:03:49,107 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:03:49,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:03:49,120 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:49,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:49,144 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:49,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:49,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:49,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213656545] [2021-03-25 18:03:49,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:49,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:49,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699213864] [2021-03-25 18:03:49,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:49,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:49,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:49,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:49,164 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:49,164 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 478 places, 421 transitions, 18109 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:49,164 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:49,164 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:49,164 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:49,894 INFO L129 PetriNetUnfolder]: 203/2451 cut-off events. [2021-03-25 18:03:49,895 INFO L130 PetriNetUnfolder]: For 112828/113442 co-relation queries the response was YES. [2021-03-25 18:03:49,924 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21332 conditions, 2451 events. 203/2451 cut-off events. For 112828/113442 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 33690 event pairs, 53 based on Foata normal form. 17/2371 useless extension candidates. Maximal degree in co-relation 21191. Up to 417 conditions per place. [2021-03-25 18:03:49,929 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 289 selfloop transitions, 135 changer transitions 2/440 dead transitions. [2021-03-25 18:03:49,929 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 485 places, 440 transitions, 19673 flow [2021-03-25 18:03:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:49,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:49,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:49,930 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:49,930 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:49,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:49,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:49,930 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:49,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:49,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:49,931 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:49,931 INFO L185 Difference]: Start difference. First operand has 478 places, 421 transitions, 18109 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:49,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 485 places, 440 transitions, 19673 flow [2021-03-25 18:03:50,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 440 transitions, 19461 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-25 18:03:50,657 INFO L241 Difference]: Finished difference. Result has 483 places, 424 transitions, 18365 flow [2021-03-25 18:03:50,658 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17905, PETRI_DIFFERENCE_MINUEND_PLACES=474, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=421, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=286, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18365, PETRI_PLACES=483, PETRI_TRANSITIONS=424} [2021-03-25 18:03:50,658 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 445 predicate places. [2021-03-25 18:03:50,658 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:50,658 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 483 places, 424 transitions, 18365 flow [2021-03-25 18:03:50,658 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 483 places, 424 transitions, 18365 flow [2021-03-25 18:03:50,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 482 places, 424 transitions, 18365 flow [2021-03-25 18:03:51,074 INFO L129 PetriNetUnfolder]: 149/2348 cut-off events. [2021-03-25 18:03:51,074 INFO L130 PetriNetUnfolder]: For 109368/109540 co-relation queries the response was YES. [2021-03-25 18:03:51,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19657 conditions, 2348 events. 149/2348 cut-off events. For 109368/109540 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 33239 event pairs, 0 based on Foata normal form. 0/2295 useless extension candidates. Maximal degree in co-relation 19516. Up to 298 conditions per place. [2021-03-25 18:03:51,123 INFO L142 LiptonReduction]: Number of co-enabled transitions 2924 [2021-03-25 18:03:51,149 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:51,149 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:51,149 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 491 [2021-03-25 18:03:51,150 INFO L480 AbstractCegarLoop]: Abstraction has has 482 places, 424 transitions, 18365 flow [2021-03-25 18:03:51,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:51,150 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:51,150 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:51,150 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2021-03-25 18:03:51,150 INFO L428 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:51,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:51,150 INFO L82 PathProgramCache]: Analyzing trace with hash -456671904, now seen corresponding path program 108 times [2021-03-25 18:03:51,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:51,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575657897] [2021-03-25 18:03:51,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:51,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:51,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:51,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:51,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:51,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:51,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:51,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:51,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:03:51,183 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:03:51,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:03:51,197 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:51,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:51,216 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:51,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:51,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:51,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575657897] [2021-03-25 18:03:51,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:51,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:51,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247345070] [2021-03-25 18:03:51,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:51,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:51,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:51,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:51,234 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:51,235 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 424 transitions, 18365 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:51,235 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:51,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:51,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:51,925 INFO L129 PetriNetUnfolder]: 202/2441 cut-off events. [2021-03-25 18:03:51,925 INFO L130 PetriNetUnfolder]: For 113818/114429 co-relation queries the response was YES. [2021-03-25 18:03:51,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21360 conditions, 2441 events. 202/2441 cut-off events. For 113818/114429 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 33492 event pairs, 53 based on Foata normal form. 17/2366 useless extension candidates. Maximal degree in co-relation 21218. Up to 417 conditions per place. [2021-03-25 18:03:51,957 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 286 selfloop transitions, 136 changer transitions 2/438 dead transitions. [2021-03-25 18:03:51,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 489 places, 438 transitions, 19691 flow [2021-03-25 18:03:51,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:51,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:51,958 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:51,958 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:51,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:51,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:51,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:51,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:51,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:51,958 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:51,959 INFO L185 Difference]: Start difference. First operand has 482 places, 424 transitions, 18365 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:51,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 489 places, 438 transitions, 19691 flow [2021-03-25 18:03:52,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 486 places, 438 transitions, 19554 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-25 18:03:52,736 INFO L241 Difference]: Finished difference. Result has 487 places, 422 transitions, 18403 flow [2021-03-25 18:03:52,736 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18236, PETRI_DIFFERENCE_MINUEND_PLACES=479, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18403, PETRI_PLACES=487, PETRI_TRANSITIONS=422} [2021-03-25 18:03:52,736 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 449 predicate places. [2021-03-25 18:03:52,736 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:52,736 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 487 places, 422 transitions, 18403 flow [2021-03-25 18:03:52,736 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 487 places, 422 transitions, 18403 flow [2021-03-25 18:03:52,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 486 places, 422 transitions, 18403 flow [2021-03-25 18:03:53,120 INFO L129 PetriNetUnfolder]: 148/2338 cut-off events. [2021-03-25 18:03:53,121 INFO L130 PetriNetUnfolder]: For 110056/110246 co-relation queries the response was YES. [2021-03-25 18:03:53,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19771 conditions, 2338 events. 148/2338 cut-off events. For 110056/110246 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 33051 event pairs, 0 based on Foata normal form. 0/2284 useless extension candidates. Maximal degree in co-relation 19630. Up to 296 conditions per place. [2021-03-25 18:03:53,168 INFO L142 LiptonReduction]: Number of co-enabled transitions 2920 [2021-03-25 18:03:53,196 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:53,196 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:53,196 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 460 [2021-03-25 18:03:53,196 INFO L480 AbstractCegarLoop]: Abstraction has has 486 places, 422 transitions, 18403 flow [2021-03-25 18:03:53,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:53,196 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:53,196 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:53,196 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2021-03-25 18:03:53,196 INFO L428 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:53,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:53,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1967940512, now seen corresponding path program 109 times [2021-03-25 18:03:53,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:53,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294252329] [2021-03-25 18:03:53,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:53,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:53,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:53,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:53,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:53,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:53,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:53,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:53,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:03:53,224 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:53,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:53,238 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:53,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:53,257 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:53,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:53,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:53,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294252329] [2021-03-25 18:03:53,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:53,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:53,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972195756] [2021-03-25 18:03:53,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:53,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:53,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:53,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:53,277 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:53,277 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 486 places, 422 transitions, 18403 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:53,277 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:53,277 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:53,277 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:53,990 INFO L129 PetriNetUnfolder]: 201/2431 cut-off events. [2021-03-25 18:03:53,990 INFO L130 PetriNetUnfolder]: For 114214/114849 co-relation queries the response was YES. [2021-03-25 18:03:54,015 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21471 conditions, 2431 events. 201/2431 cut-off events. For 114214/114849 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 33355 event pairs, 53 based on Foata normal form. 17/2361 useless extension candidates. Maximal degree in co-relation 21329. Up to 417 conditions per place. [2021-03-25 18:03:54,020 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 284 selfloop transitions, 138 changer transitions 0/436 dead transitions. [2021-03-25 18:03:54,020 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 436 transitions, 19725 flow [2021-03-25 18:03:54,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:54,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:54,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:54,021 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:54,021 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:54,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:54,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:54,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:54,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:54,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:54,022 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:54,022 INFO L185 Difference]: Start difference. First operand has 486 places, 422 transitions, 18403 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:54,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 493 places, 436 transitions, 19725 flow [2021-03-25 18:03:54,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 488 places, 436 transitions, 19463 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-25 18:03:54,816 INFO L241 Difference]: Finished difference. Result has 489 places, 422 transitions, 18428 flow [2021-03-25 18:03:54,816 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18149, PETRI_DIFFERENCE_MINUEND_PLACES=481, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=284, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18428, PETRI_PLACES=489, PETRI_TRANSITIONS=422} [2021-03-25 18:03:54,816 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 451 predicate places. [2021-03-25 18:03:54,816 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:54,816 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 489 places, 422 transitions, 18428 flow [2021-03-25 18:03:54,816 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 489 places, 422 transitions, 18428 flow [2021-03-25 18:03:54,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 489 places, 422 transitions, 18428 flow [2021-03-25 18:03:55,202 INFO L129 PetriNetUnfolder]: 148/2337 cut-off events. [2021-03-25 18:03:55,202 INFO L130 PetriNetUnfolder]: For 109654/109826 co-relation queries the response was YES. [2021-03-25 18:03:55,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19782 conditions, 2337 events. 148/2337 cut-off events. For 109654/109826 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 33059 event pairs, 0 based on Foata normal form. 0/2285 useless extension candidates. Maximal degree in co-relation 19641. Up to 296 conditions per place. [2021-03-25 18:03:55,252 INFO L142 LiptonReduction]: Number of co-enabled transitions 2920 [2021-03-25 18:03:55,281 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:55,281 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:55,281 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 465 [2021-03-25 18:03:55,281 INFO L480 AbstractCegarLoop]: Abstraction has has 489 places, 422 transitions, 18428 flow [2021-03-25 18:03:55,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:55,281 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:55,281 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:55,282 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-03-25 18:03:55,282 INFO L428 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:55,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:55,282 INFO L82 PathProgramCache]: Analyzing trace with hash 109113996, now seen corresponding path program 110 times [2021-03-25 18:03:55,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:55,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913309809] [2021-03-25 18:03:55,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:55,289 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:55,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:55,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:55,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:55,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:55,294 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:55,301 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:03:55,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:03:55,311 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:55,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:55,325 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:55,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:55,347 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:55,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:55,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:55,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913309809] [2021-03-25 18:03:55,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:55,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:55,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424882184] [2021-03-25 18:03:55,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:55,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:55,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:55,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:55,373 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:55,374 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 489 places, 422 transitions, 18428 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:55,374 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:55,374 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:55,374 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:56,085 INFO L129 PetriNetUnfolder]: 201/2430 cut-off events. [2021-03-25 18:03:56,085 INFO L130 PetriNetUnfolder]: For 114034/114634 co-relation queries the response was YES. [2021-03-25 18:03:56,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21481 conditions, 2430 events. 201/2430 cut-off events. For 114034/114634 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 33314 event pairs, 53 based on Foata normal form. 16/2350 useless extension candidates. Maximal degree in co-relation 21339. Up to 417 conditions per place. [2021-03-25 18:03:56,117 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 284 selfloop transitions, 137 changer transitions 1/436 dead transitions. [2021-03-25 18:03:56,117 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 496 places, 436 transitions, 19750 flow [2021-03-25 18:03:56,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:56,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:56,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:56,118 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:56,118 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:56,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:56,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:56,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:56,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:56,119 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:56,119 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:56,119 INFO L185 Difference]: Start difference. First operand has 489 places, 422 transitions, 18428 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:56,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 496 places, 436 transitions, 19750 flow [2021-03-25 18:03:56,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 492 places, 436 transitions, 19498 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-25 18:03:56,882 INFO L241 Difference]: Finished difference. Result has 494 places, 431 transitions, 18905 flow [2021-03-25 18:03:56,883 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18176, PETRI_DIFFERENCE_MINUEND_PLACES=485, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=285, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18905, PETRI_PLACES=494, PETRI_TRANSITIONS=431} [2021-03-25 18:03:56,883 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 456 predicate places. [2021-03-25 18:03:56,883 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:56,883 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 494 places, 431 transitions, 18905 flow [2021-03-25 18:03:56,883 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 494 places, 431 transitions, 18905 flow [2021-03-25 18:03:56,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 493 places, 431 transitions, 18905 flow [2021-03-25 18:03:57,275 INFO L129 PetriNetUnfolder]: 147/2328 cut-off events. [2021-03-25 18:03:57,275 INFO L130 PetriNetUnfolder]: For 113212/113428 co-relation queries the response was YES. [2021-03-25 18:03:57,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20113 conditions, 2328 events. 147/2328 cut-off events. For 113212/113428 co-relation queries the response was YES. Maximal size of possible extension queue 422. Compared 32836 event pairs, 0 based on Foata normal form. 0/2273 useless extension candidates. Maximal degree in co-relation 19971. Up to 294 conditions per place. [2021-03-25 18:03:57,320 INFO L142 LiptonReduction]: Number of co-enabled transitions 3006 [2021-03-25 18:03:57,349 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:57,349 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:57,349 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 466 [2021-03-25 18:03:57,349 INFO L480 AbstractCegarLoop]: Abstraction has has 493 places, 431 transitions, 18905 flow [2021-03-25 18:03:57,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:57,349 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:57,349 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:57,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2021-03-25 18:03:57,349 INFO L428 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:57,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:57,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1919120356, now seen corresponding path program 111 times [2021-03-25 18:03:57,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:57,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399827988] [2021-03-25 18:03:57,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:57,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:57,360 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:57,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:57,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:57,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:57,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:57,371 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:03:57,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:03:57,382 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:57,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:57,396 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:57,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:57,414 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:57,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:57,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:57,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399827988] [2021-03-25 18:03:57,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:57,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:57,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29877647] [2021-03-25 18:03:57,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:57,438 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:57,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:57,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:57,439 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:57,439 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 431 transitions, 18905 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:57,439 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:57,439 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:57,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:03:58,209 INFO L129 PetriNetUnfolder]: 200/2421 cut-off events. [2021-03-25 18:03:58,209 INFO L130 PetriNetUnfolder]: For 117598/118207 co-relation queries the response was YES. [2021-03-25 18:03:58,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21809 conditions, 2421 events. 200/2421 cut-off events. For 117598/118207 co-relation queries the response was YES. Maximal size of possible extension queue 423. Compared 33204 event pairs, 53 based on Foata normal form. 16/2349 useless extension candidates. Maximal degree in co-relation 21666. Up to 417 conditions per place. [2021-03-25 18:03:58,239 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 284 selfloop transitions, 135 changer transitions 2/435 dead transitions. [2021-03-25 18:03:58,239 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 435 transitions, 19827 flow [2021-03-25 18:03:58,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:03:58,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:03:58,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:03:58,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:03:58,240 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:03:58,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:03:58,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:03:58,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:03:58,240 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:58,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:58,241 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:58,241 INFO L185 Difference]: Start difference. First operand has 493 places, 431 transitions, 18905 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:03:58,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 500 places, 435 transitions, 19827 flow [2021-03-25 18:03:58,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 495 places, 435 transitions, 19628 flow, removed 20 selfloop flow, removed 5 redundant places. [2021-03-25 18:03:58,912 INFO L241 Difference]: Finished difference. Result has 496 places, 429 transitions, 18871 flow [2021-03-25 18:03:58,912 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18714, PETRI_DIFFERENCE_MINUEND_PLACES=488, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18871, PETRI_PLACES=496, PETRI_TRANSITIONS=429} [2021-03-25 18:03:58,912 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 458 predicate places. [2021-03-25 18:03:58,912 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:03:58,912 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 496 places, 429 transitions, 18871 flow [2021-03-25 18:03:58,913 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 496 places, 429 transitions, 18871 flow [2021-03-25 18:03:58,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 495 places, 429 transitions, 18871 flow [2021-03-25 18:03:59,295 INFO L129 PetriNetUnfolder]: 146/2318 cut-off events. [2021-03-25 18:03:59,295 INFO L130 PetriNetUnfolder]: For 111725/111897 co-relation queries the response was YES. [2021-03-25 18:03:59,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20187 conditions, 2318 events. 146/2318 cut-off events. For 111725/111897 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 32742 event pairs, 0 based on Foata normal form. 0/2266 useless extension candidates. Maximal degree in co-relation 20047. Up to 292 conditions per place. [2021-03-25 18:03:59,341 INFO L142 LiptonReduction]: Number of co-enabled transitions 2996 [2021-03-25 18:03:59,370 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:03:59,370 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:03:59,370 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 458 [2021-03-25 18:03:59,370 INFO L480 AbstractCegarLoop]: Abstraction has has 495 places, 429 transitions, 18871 flow [2021-03-25 18:03:59,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:59,370 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:03:59,370 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:03:59,370 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2021-03-25 18:03:59,370 INFO L428 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:03:59,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:03:59,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1582324286, now seen corresponding path program 112 times [2021-03-25 18:03:59,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:03:59,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458224749] [2021-03-25 18:03:59,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:03:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:03:59,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:59,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:03:59,377 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:59,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:03:59,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:59,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:03:59,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:03:59,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:03:59,397 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:03:59,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:03:59,411 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:03:59,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:03:59,442 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:03:59,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:03:59,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:03:59,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458224749] [2021-03-25 18:03:59,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:03:59,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:03:59,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691481416] [2021-03-25 18:03:59,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:03:59,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:03:59,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:03:59,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:03:59,462 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:03:59,462 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 495 places, 429 transitions, 18871 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:03:59,462 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:03:59,462 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:03:59,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:00,175 INFO L129 PetriNetUnfolder]: 199/2411 cut-off events. [2021-03-25 18:04:00,175 INFO L130 PetriNetUnfolder]: For 116166/116780 co-relation queries the response was YES. [2021-03-25 18:04:00,203 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21880 conditions, 2411 events. 199/2411 cut-off events. For 116166/116780 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 32996 event pairs, 53 based on Foata normal form. 17/2331 useless extension candidates. Maximal degree in co-relation 21739. Up to 417 conditions per place. [2021-03-25 18:04:00,207 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 283 selfloop transitions, 133 changer transitions 3/433 dead transitions. [2021-03-25 18:04:00,207 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 502 places, 433 transitions, 19789 flow [2021-03-25 18:04:00,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:00,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:00,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:00,208 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:00,208 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:00,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:00,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:00,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:00,209 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:00,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:00,209 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:00,209 INFO L185 Difference]: Start difference. First operand has 495 places, 429 transitions, 18871 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:00,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 502 places, 433 transitions, 19789 flow [2021-03-25 18:04:00,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 433 transitions, 19527 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-25 18:04:00,950 INFO L241 Difference]: Finished difference. Result has 498 places, 426 transitions, 18704 flow [2021-03-25 18:04:00,951 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18617, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=429, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18704, PETRI_PLACES=498, PETRI_TRANSITIONS=426} [2021-03-25 18:04:00,951 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 460 predicate places. [2021-03-25 18:04:00,951 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:00,951 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 498 places, 426 transitions, 18704 flow [2021-03-25 18:04:00,951 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 498 places, 426 transitions, 18704 flow [2021-03-25 18:04:00,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 496 places, 426 transitions, 18704 flow [2021-03-25 18:04:01,324 INFO L129 PetriNetUnfolder]: 145/2302 cut-off events. [2021-03-25 18:04:01,324 INFO L130 PetriNetUnfolder]: For 110515/110712 co-relation queries the response was YES. [2021-03-25 18:04:01,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20030 conditions, 2302 events. 145/2302 cut-off events. For 110515/110712 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 32408 event pairs, 0 based on Foata normal form. 1/2252 useless extension candidates. Maximal degree in co-relation 19890. Up to 290 conditions per place. [2021-03-25 18:04:01,369 INFO L142 LiptonReduction]: Number of co-enabled transitions 2972 [2021-03-25 18:04:01,397 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:01,397 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:01,397 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 446 [2021-03-25 18:04:01,397 INFO L480 AbstractCegarLoop]: Abstraction has has 496 places, 426 transitions, 18704 flow [2021-03-25 18:04:01,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:01,397 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:01,397 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:01,397 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2021-03-25 18:04:01,397 INFO L428 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:01,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:01,398 INFO L82 PathProgramCache]: Analyzing trace with hash 308179398, now seen corresponding path program 113 times [2021-03-25 18:04:01,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:01,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083869327] [2021-03-25 18:04:01,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:01,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:01,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:01,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:01,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:01,421 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:01,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:01,429 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:04:01,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:04:01,440 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:04:01,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:04:01,457 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:01,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:01,478 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:01,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:01,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:01,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083869327] [2021-03-25 18:04:01,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:01,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:01,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952198188] [2021-03-25 18:04:01,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:01,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:01,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:01,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:01,500 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:01,501 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 426 transitions, 18704 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:01,501 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:01,501 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:01,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:02,171 INFO L129 PetriNetUnfolder]: 198/2395 cut-off events. [2021-03-25 18:04:02,172 INFO L130 PetriNetUnfolder]: For 115088/115696 co-relation queries the response was YES. [2021-03-25 18:04:02,197 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21717 conditions, 2395 events. 198/2395 cut-off events. For 115088/115696 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 32767 event pairs, 53 based on Foata normal form. 17/2317 useless extension candidates. Maximal degree in co-relation 21576. Up to 417 conditions per place. [2021-03-25 18:04:02,202 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 136 changer transitions 0/430 dead transitions. [2021-03-25 18:04:02,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 503 places, 430 transitions, 19616 flow [2021-03-25 18:04:02,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:02,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:02,202 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:02,203 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:02,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:02,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:02,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:02,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:02,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:02,203 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:02,203 INFO L185 Difference]: Start difference. First operand has 496 places, 426 transitions, 18704 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:02,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 503 places, 430 transitions, 19616 flow [2021-03-25 18:04:02,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 497 places, 430 transitions, 19343 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-03-25 18:04:02,951 INFO L241 Difference]: Finished difference. Result has 498 places, 426 transitions, 18722 flow [2021-03-25 18:04:02,952 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18447, PETRI_DIFFERENCE_MINUEND_PLACES=490, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18722, PETRI_PLACES=498, PETRI_TRANSITIONS=426} [2021-03-25 18:04:02,952 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 460 predicate places. [2021-03-25 18:04:02,952 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:02,952 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 498 places, 426 transitions, 18722 flow [2021-03-25 18:04:02,952 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 498 places, 426 transitions, 18722 flow [2021-03-25 18:04:02,957 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 498 places, 426 transitions, 18722 flow [2021-03-25 18:04:03,322 INFO L129 PetriNetUnfolder]: 145/2301 cut-off events. [2021-03-25 18:04:03,322 INFO L130 PetriNetUnfolder]: For 108643/108815 co-relation queries the response was YES. [2021-03-25 18:04:03,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19795 conditions, 2301 events. 145/2301 cut-off events. For 108643/108815 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 32410 event pairs, 0 based on Foata normal form. 0/2250 useless extension candidates. Maximal degree in co-relation 19656. Up to 290 conditions per place. [2021-03-25 18:04:03,370 INFO L142 LiptonReduction]: Number of co-enabled transitions 2972 [2021-03-25 18:04:03,399 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:03,399 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:03,399 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 447 [2021-03-25 18:04:03,399 INFO L480 AbstractCegarLoop]: Abstraction has has 498 places, 426 transitions, 18722 flow [2021-03-25 18:04:03,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:03,400 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:03,400 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:03,400 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2021-03-25 18:04:03,400 INFO L428 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:03,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:03,400 INFO L82 PathProgramCache]: Analyzing trace with hash -852842716, now seen corresponding path program 114 times [2021-03-25 18:04:03,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:03,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363843627] [2021-03-25 18:04:03,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:03,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:03,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:03,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:03,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:03,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:03,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:03,419 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:04:03,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:04:03,430 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:04:03,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:04:03,444 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:03,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:03,463 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:03,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:03,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363843627] [2021-03-25 18:04:03,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:03,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:03,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892781619] [2021-03-25 18:04:03,482 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:03,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:03,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:03,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:03,483 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:03,483 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 498 places, 426 transitions, 18722 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:03,483 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:03,483 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:03,483 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:04,185 INFO L129 PetriNetUnfolder]: 198/2394 cut-off events. [2021-03-25 18:04:04,185 INFO L130 PetriNetUnfolder]: For 112880/113513 co-relation queries the response was YES. [2021-03-25 18:04:04,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21482 conditions, 2394 events. 198/2394 cut-off events. For 112880/113513 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 32691 event pairs, 53 based on Foata normal form. 16/2314 useless extension candidates. Maximal degree in co-relation 21342. Up to 417 conditions per place. [2021-03-25 18:04:04,214 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 279 selfloop transitions, 135 changer transitions 2/430 dead transitions. [2021-03-25 18:04:04,214 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 505 places, 430 transitions, 19626 flow [2021-03-25 18:04:04,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:04,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:04,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:04,215 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:04,215 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:04,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:04,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:04,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:04,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:04,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:04,216 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:04,216 INFO L185 Difference]: Start difference. First operand has 498 places, 426 transitions, 18722 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:04,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 505 places, 430 transitions, 19626 flow [2021-03-25 18:04:04,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 503 places, 430 transitions, 19509 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 18:04:04,974 INFO L241 Difference]: Finished difference. Result has 504 places, 424 transitions, 18761 flow [2021-03-25 18:04:04,974 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18605, PETRI_DIFFERENCE_MINUEND_PLACES=496, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=426, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18761, PETRI_PLACES=504, PETRI_TRANSITIONS=424} [2021-03-25 18:04:04,974 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 466 predicate places. [2021-03-25 18:04:04,975 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:04,975 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 504 places, 424 transitions, 18761 flow [2021-03-25 18:04:04,975 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 504 places, 424 transitions, 18761 flow [2021-03-25 18:04:04,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 503 places, 424 transitions, 18761 flow [2021-03-25 18:04:05,395 INFO L129 PetriNetUnfolder]: 144/2291 cut-off events. [2021-03-25 18:04:05,396 INFO L130 PetriNetUnfolder]: For 110850/111022 co-relation queries the response was YES. [2021-03-25 18:04:05,418 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20140 conditions, 2291 events. 144/2291 cut-off events. For 110850/111022 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 32265 event pairs, 0 based on Foata normal form. 0/2240 useless extension candidates. Maximal degree in co-relation 20000. Up to 288 conditions per place. [2021-03-25 18:04:05,441 INFO L142 LiptonReduction]: Number of co-enabled transitions 2960 [2021-03-25 18:04:05,469 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:05,469 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:05,469 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 494 [2021-03-25 18:04:05,469 INFO L480 AbstractCegarLoop]: Abstraction has has 503 places, 424 transitions, 18761 flow [2021-03-25 18:04:05,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:05,470 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:05,470 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:05,470 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-03-25 18:04:05,470 INFO L428 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:05,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:05,470 INFO L82 PathProgramCache]: Analyzing trace with hash -108140218, now seen corresponding path program 115 times [2021-03-25 18:04:05,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:05,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298875816] [2021-03-25 18:04:05,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:05,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:05,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:05,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:05,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:05,483 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:05,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:05,490 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:04:05,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:04:05,502 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:04:05,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:04:05,518 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:05,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:05,540 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:05,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:05,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:05,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298875816] [2021-03-25 18:04:05,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:05,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:05,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050096742] [2021-03-25 18:04:05,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:05,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:05,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:05,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:05,563 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:05,563 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 503 places, 424 transitions, 18761 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:05,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:05,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:05,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:06,291 INFO L129 PetriNetUnfolder]: 197/2384 cut-off events. [2021-03-25 18:04:06,292 INFO L130 PetriNetUnfolder]: For 115165/115765 co-relation queries the response was YES. [2021-03-25 18:04:06,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21823 conditions, 2384 events. 197/2384 cut-off events. For 115165/115765 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 32535 event pairs, 53 based on Foata normal form. 16/2313 useless extension candidates. Maximal degree in co-relation 21682. Up to 417 conditions per place. [2021-03-25 18:04:06,321 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 135 changer transitions 2/428 dead transitions. [2021-03-25 18:04:06,322 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 428 transitions, 19669 flow [2021-03-25 18:04:06,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:06,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:06,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:06,322 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:06,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:06,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:06,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:06,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:06,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:06,323 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:06,323 INFO L185 Difference]: Start difference. First operand has 503 places, 424 transitions, 18761 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:06,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 428 transitions, 19669 flow [2021-03-25 18:04:07,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 504 places, 428 transitions, 19410 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-25 18:04:07,050 INFO L241 Difference]: Finished difference. Result has 505 places, 422 transitions, 18667 flow [2021-03-25 18:04:07,051 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18510, PETRI_DIFFERENCE_MINUEND_PLACES=497, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=424, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=289, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18667, PETRI_PLACES=505, PETRI_TRANSITIONS=422} [2021-03-25 18:04:07,051 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 467 predicate places. [2021-03-25 18:04:07,051 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:07,051 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 505 places, 422 transitions, 18667 flow [2021-03-25 18:04:07,051 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 505 places, 422 transitions, 18667 flow [2021-03-25 18:04:07,056 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 504 places, 422 transitions, 18667 flow [2021-03-25 18:04:07,426 INFO L129 PetriNetUnfolder]: 143/2281 cut-off events. [2021-03-25 18:04:07,426 INFO L130 PetriNetUnfolder]: For 109143/109315 co-relation queries the response was YES. [2021-03-25 18:04:07,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20113 conditions, 2281 events. 143/2281 cut-off events. For 109143/109315 co-relation queries the response was YES. Maximal size of possible extension queue 412. Compared 32104 event pairs, 0 based on Foata normal form. 0/2229 useless extension candidates. Maximal degree in co-relation 19975. Up to 286 conditions per place. [2021-03-25 18:04:07,470 INFO L142 LiptonReduction]: Number of co-enabled transitions 2956 [2021-03-25 18:04:07,498 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:07,498 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:07,498 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 447 [2021-03-25 18:04:07,498 INFO L480 AbstractCegarLoop]: Abstraction has has 504 places, 422 transitions, 18667 flow [2021-03-25 18:04:07,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:07,498 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:07,498 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:07,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2021-03-25 18:04:07,498 INFO L428 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:07,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:07,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1925928096, now seen corresponding path program 116 times [2021-03-25 18:04:07,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:07,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651564393] [2021-03-25 18:04:07,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:07,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:07,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:07,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:07,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:07,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:07,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:07,522 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:04:07,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:04:07,533 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:04:07,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:04:07,549 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:07,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:07,568 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:07,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:07,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:07,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651564393] [2021-03-25 18:04:07,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:07,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:07,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454047832] [2021-03-25 18:04:07,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:07,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:07,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:07,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:07,587 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:07,587 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 504 places, 422 transitions, 18667 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:07,587 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:07,587 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:07,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:08,288 INFO L129 PetriNetUnfolder]: 196/2374 cut-off events. [2021-03-25 18:04:08,288 INFO L130 PetriNetUnfolder]: For 113643/114254 co-relation queries the response was YES. [2021-03-25 18:04:08,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21793 conditions, 2374 events. 196/2374 cut-off events. For 113643/114254 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 32429 event pairs, 53 based on Foata normal form. 17/2295 useless extension candidates. Maximal degree in co-relation 21654. Up to 417 conditions per place. [2021-03-25 18:04:08,317 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 277 selfloop transitions, 131 changer transitions 4/426 dead transitions. [2021-03-25 18:04:08,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 511 places, 426 transitions, 19571 flow [2021-03-25 18:04:08,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:08,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:08,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:08,319 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:08,319 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:08,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:08,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:08,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:08,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:08,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:08,319 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:08,320 INFO L185 Difference]: Start difference. First operand has 504 places, 422 transitions, 18667 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:08,320 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 511 places, 426 transitions, 19571 flow [2021-03-25 18:04:09,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 426 transitions, 19311 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-25 18:04:09,095 INFO L241 Difference]: Finished difference. Result has 507 places, 418 transitions, 18437 flow [2021-03-25 18:04:09,095 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18415, PETRI_DIFFERENCE_MINUEND_PLACES=499, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=422, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18437, PETRI_PLACES=507, PETRI_TRANSITIONS=418} [2021-03-25 18:04:09,095 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 469 predicate places. [2021-03-25 18:04:09,095 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:09,095 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 507 places, 418 transitions, 18437 flow [2021-03-25 18:04:09,096 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 507 places, 418 transitions, 18437 flow [2021-03-25 18:04:09,101 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 505 places, 418 transitions, 18437 flow [2021-03-25 18:04:09,462 INFO L129 PetriNetUnfolder]: 142/2264 cut-off events. [2021-03-25 18:04:09,462 INFO L130 PetriNetUnfolder]: For 108107/108278 co-relation queries the response was YES. [2021-03-25 18:04:09,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19947 conditions, 2264 events. 142/2264 cut-off events. For 108107/108278 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 31836 event pairs, 0 based on Foata normal form. 0/2213 useless extension candidates. Maximal degree in co-relation 19809. Up to 284 conditions per place. [2021-03-25 18:04:09,507 INFO L142 LiptonReduction]: Number of co-enabled transitions 2928 [2021-03-25 18:04:09,533 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:09,533 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:09,533 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 438 [2021-03-25 18:04:09,533 INFO L480 AbstractCegarLoop]: Abstraction has has 505 places, 418 transitions, 18437 flow [2021-03-25 18:04:09,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:09,533 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:09,534 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:09,534 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2021-03-25 18:04:09,534 INFO L428 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:09,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:09,534 INFO L82 PathProgramCache]: Analyzing trace with hash 2030153214, now seen corresponding path program 117 times [2021-03-25 18:04:09,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:09,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715983408] [2021-03-25 18:04:09,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:09,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:09,543 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:09,543 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:09,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:09,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:09,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:09,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:09,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:04:09,566 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:04:09,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:04:09,583 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:09,583 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:09,604 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:09,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:09,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:09,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715983408] [2021-03-25 18:04:09,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:09,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:09,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112247269] [2021-03-25 18:04:09,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:09,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:09,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:09,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:09,628 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:09,628 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 505 places, 418 transitions, 18437 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:09,628 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:09,628 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:09,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:10,321 INFO L129 PetriNetUnfolder]: 195/2357 cut-off events. [2021-03-25 18:04:10,321 INFO L130 PetriNetUnfolder]: For 112504/113118 co-relation queries the response was YES. [2021-03-25 18:04:10,345 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21621 conditions, 2357 events. 195/2357 cut-off events. For 112504/113118 co-relation queries the response was YES. Maximal size of possible extension queue 410. Compared 32145 event pairs, 53 based on Foata normal form. 17/2279 useless extension candidates. Maximal degree in co-relation 21482. Up to 417 conditions per place. [2021-03-25 18:04:10,350 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 127 changer transitions 1/422 dead transitions. [2021-03-25 18:04:10,350 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 422 transitions, 19333 flow [2021-03-25 18:04:10,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:10,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:10,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:10,351 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:10,351 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:10,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:10,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:10,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:10,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:10,352 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:10,352 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:10,352 INFO L185 Difference]: Start difference. First operand has 505 places, 418 transitions, 18437 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:10,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 512 places, 422 transitions, 19333 flow [2021-03-25 18:04:11,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 507 places, 422 transitions, 19116 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-25 18:04:11,084 INFO L241 Difference]: Finished difference. Result has 508 places, 417 transitions, 18427 flow [2021-03-25 18:04:11,084 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18236, PETRI_DIFFERENCE_MINUEND_PLACES=500, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=418, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=127, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18427, PETRI_PLACES=508, PETRI_TRANSITIONS=417} [2021-03-25 18:04:11,084 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 470 predicate places. [2021-03-25 18:04:11,084 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:11,085 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 508 places, 417 transitions, 18427 flow [2021-03-25 18:04:11,085 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 508 places, 417 transitions, 18427 flow [2021-03-25 18:04:11,090 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 507 places, 417 transitions, 18427 flow [2021-03-25 18:04:11,443 INFO L129 PetriNetUnfolder]: 141/2255 cut-off events. [2021-03-25 18:04:11,443 INFO L130 PetriNetUnfolder]: For 105740/105912 co-relation queries the response was YES. [2021-03-25 18:04:11,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19738 conditions, 2255 events. 141/2255 cut-off events. For 105740/105912 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 31677 event pairs, 0 based on Foata normal form. 0/2204 useless extension candidates. Maximal degree in co-relation 19601. Up to 282 conditions per place. [2021-03-25 18:04:11,487 INFO L142 LiptonReduction]: Number of co-enabled transitions 2926 [2021-03-25 18:04:11,514 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:11,514 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:11,514 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 430 [2021-03-25 18:04:11,514 INFO L480 AbstractCegarLoop]: Abstraction has has 507 places, 417 transitions, 18427 flow [2021-03-25 18:04:11,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:11,515 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:11,515 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:11,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2021-03-25 18:04:11,515 INFO L428 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:11,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:11,515 INFO L82 PathProgramCache]: Analyzing trace with hash 297676294, now seen corresponding path program 118 times [2021-03-25 18:04:11,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:11,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027360035] [2021-03-25 18:04:11,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:11,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:11,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:11,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:11,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:11,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:11,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:11,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:11,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:04:11,542 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:04:11,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:04:11,556 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:11,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:11,575 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:11,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:11,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:11,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027360035] [2021-03-25 18:04:11,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:11,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:11,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065203308] [2021-03-25 18:04:11,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:11,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:11,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:11,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:11,594 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:11,594 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 417 transitions, 18427 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:11,594 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:11,594 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:11,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:12,269 INFO L129 PetriNetUnfolder]: 194/2348 cut-off events. [2021-03-25 18:04:12,269 INFO L130 PetriNetUnfolder]: For 110130/110730 co-relation queries the response was YES. [2021-03-25 18:04:12,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21411 conditions, 2348 events. 194/2348 cut-off events. For 110130/110730 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 31937 event pairs, 53 based on Foata normal form. 16/2268 useless extension candidates. Maximal degree in co-relation 21273. Up to 417 conditions per place. [2021-03-25 18:04:12,298 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 281 selfloop transitions, 126 changer transitions 0/421 dead transitions. [2021-03-25 18:04:12,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 421 transitions, 19313 flow [2021-03-25 18:04:12,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:12,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:12,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:12,299 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:12,299 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:12,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:12,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:12,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:12,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:12,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:12,300 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:12,300 INFO L185 Difference]: Start difference. First operand has 507 places, 417 transitions, 18427 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:12,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 421 transitions, 19313 flow [2021-03-25 18:04:13,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 508 places, 421 transitions, 19020 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-25 18:04:13,071 INFO L241 Difference]: Finished difference. Result has 509 places, 417 transitions, 18397 flow [2021-03-25 18:04:13,071 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18142, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=126, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18397, PETRI_PLACES=509, PETRI_TRANSITIONS=417} [2021-03-25 18:04:13,071 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 471 predicate places. [2021-03-25 18:04:13,071 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:13,072 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 509 places, 417 transitions, 18397 flow [2021-03-25 18:04:13,072 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 509 places, 417 transitions, 18397 flow [2021-03-25 18:04:13,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 509 places, 417 transitions, 18397 flow [2021-03-25 18:04:13,429 INFO L129 PetriNetUnfolder]: 141/2254 cut-off events. [2021-03-25 18:04:13,429 INFO L130 PetriNetUnfolder]: For 104820/104992 co-relation queries the response was YES. [2021-03-25 18:04:13,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19724 conditions, 2254 events. 141/2254 cut-off events. For 104820/104992 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 31695 event pairs, 0 based on Foata normal form. 0/2203 useless extension candidates. Maximal degree in co-relation 19588. Up to 282 conditions per place. [2021-03-25 18:04:13,473 INFO L142 LiptonReduction]: Number of co-enabled transitions 2926 [2021-03-25 18:04:13,500 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:13,500 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:13,500 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 429 [2021-03-25 18:04:13,501 INFO L480 AbstractCegarLoop]: Abstraction has has 509 places, 417 transitions, 18397 flow [2021-03-25 18:04:13,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:13,501 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:13,501 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:13,501 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2021-03-25 18:04:13,501 INFO L428 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:13,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:13,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1613833598, now seen corresponding path program 119 times [2021-03-25 18:04:13,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:13,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531776163] [2021-03-25 18:04:13,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:13,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:13,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:13,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:13,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:13,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:13,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:13,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:13,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:04:13,527 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:04:13,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:04:13,541 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:13,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:13,560 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:13,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:13,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:13,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531776163] [2021-03-25 18:04:13,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:13,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:13,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070764562] [2021-03-25 18:04:13,578 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:13,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:13,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:13,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:13,579 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:13,579 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 417 transitions, 18397 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:13,579 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:13,579 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:13,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:14,274 INFO L129 PetriNetUnfolder]: 194/2347 cut-off events. [2021-03-25 18:04:14,274 INFO L130 PetriNetUnfolder]: For 109073/109682 co-relation queries the response was YES. [2021-03-25 18:04:14,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21396 conditions, 2347 events. 194/2347 cut-off events. For 109073/109682 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 32008 event pairs, 53 based on Foata normal form. 16/2276 useless extension candidates. Maximal degree in co-relation 21259. Up to 417 conditions per place. [2021-03-25 18:04:14,303 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 122 changer transitions 5/421 dead transitions. [2021-03-25 18:04:14,304 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 421 transitions, 19283 flow [2021-03-25 18:04:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:14,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:14,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:14,304 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:14,304 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:14,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:14,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:14,305 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:14,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:14,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:14,305 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:14,305 INFO L185 Difference]: Start difference. First operand has 509 places, 417 transitions, 18397 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:14,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 516 places, 421 transitions, 19283 flow [2021-03-25 18:04:15,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 421 transitions, 19030 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-03-25 18:04:15,056 INFO L241 Difference]: Finished difference. Result has 512 places, 412 transitions, 18093 flow [2021-03-25 18:04:15,057 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=18144, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=417, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18093, PETRI_PLACES=512, PETRI_TRANSITIONS=412} [2021-03-25 18:04:15,057 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 474 predicate places. [2021-03-25 18:04:15,057 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:15,057 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 512 places, 412 transitions, 18093 flow [2021-03-25 18:04:15,057 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 512 places, 412 transitions, 18093 flow [2021-03-25 18:04:15,062 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 510 places, 412 transitions, 18093 flow [2021-03-25 18:04:15,419 INFO L129 PetriNetUnfolder]: 140/2237 cut-off events. [2021-03-25 18:04:15,419 INFO L130 PetriNetUnfolder]: For 104276/104448 co-relation queries the response was YES. [2021-03-25 18:04:15,441 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19814 conditions, 2237 events. 140/2237 cut-off events. For 104276/104448 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 31339 event pairs, 0 based on Foata normal form. 0/2186 useless extension candidates. Maximal degree in co-relation 19679. Up to 280 conditions per place. [2021-03-25 18:04:15,464 INFO L142 LiptonReduction]: Number of co-enabled transitions 2888 [2021-03-25 18:04:15,492 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:15,492 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:15,492 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 435 [2021-03-25 18:04:15,492 INFO L480 AbstractCegarLoop]: Abstraction has has 510 places, 412 transitions, 18093 flow [2021-03-25 18:04:15,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:15,492 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:15,493 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:15,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-03-25 18:04:15,493 INFO L428 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:15,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:15,493 INFO L82 PathProgramCache]: Analyzing trace with hash -775409086, now seen corresponding path program 120 times [2021-03-25 18:04:15,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:15,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192884441] [2021-03-25 18:04:15,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:15,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:15,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:15,499 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:15,499 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:15,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:15,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:15,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:15,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:04:15,519 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:04:15,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:04:15,533 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:15,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:15,552 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:15,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:15,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:15,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192884441] [2021-03-25 18:04:15,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:15,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:15,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016584248] [2021-03-25 18:04:15,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:15,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:15,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:15,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:15,571 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:15,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 412 transitions, 18093 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:15,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:15,571 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:15,571 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:16,279 INFO L129 PetriNetUnfolder]: 193/2330 cut-off events. [2021-03-25 18:04:16,280 INFO L130 PetriNetUnfolder]: For 109040/109682 co-relation queries the response was YES. [2021-03-25 18:04:16,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21479 conditions, 2330 events. 193/2330 cut-off events. For 109040/109682 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 31695 event pairs, 53 based on Foata normal form. 17/2251 useless extension candidates. Maximal degree in co-relation 21343. Up to 417 conditions per place. [2021-03-25 18:04:16,310 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 122 changer transitions 2/416 dead transitions. [2021-03-25 18:04:16,310 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 517 places, 416 transitions, 18977 flow [2021-03-25 18:04:16,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:16,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:16,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:16,311 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:16,311 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:16,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:16,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:16,311 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:16,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:16,311 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:16,312 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:16,312 INFO L185 Difference]: Start difference. First operand has 510 places, 412 transitions, 18093 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:16,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 517 places, 416 transitions, 18977 flow [2021-03-25 18:04:17,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 511 places, 416 transitions, 18728 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-25 18:04:17,017 INFO L241 Difference]: Finished difference. Result has 512 places, 410 transitions, 17980 flow [2021-03-25 18:04:17,017 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17860, PETRI_DIFFERENCE_MINUEND_PLACES=504, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=122, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17980, PETRI_PLACES=512, PETRI_TRANSITIONS=410} [2021-03-25 18:04:17,017 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 474 predicate places. [2021-03-25 18:04:17,017 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:17,017 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 512 places, 410 transitions, 17980 flow [2021-03-25 18:04:17,017 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 512 places, 410 transitions, 17980 flow [2021-03-25 18:04:17,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 511 places, 410 transitions, 17980 flow [2021-03-25 18:04:17,379 INFO L129 PetriNetUnfolder]: 139/2227 cut-off events. [2021-03-25 18:04:17,379 INFO L130 PetriNetUnfolder]: For 101685/101874 co-relation queries the response was YES. [2021-03-25 18:04:17,402 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19515 conditions, 2227 events. 139/2227 cut-off events. For 101685/101874 co-relation queries the response was YES. Maximal size of possible extension queue 402. Compared 31203 event pairs, 0 based on Foata normal form. 0/2174 useless extension candidates. Maximal degree in co-relation 19381. Up to 278 conditions per place. [2021-03-25 18:04:17,425 INFO L142 LiptonReduction]: Number of co-enabled transitions 2878 [2021-03-25 18:04:17,452 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:17,453 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:17,453 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 436 [2021-03-25 18:04:17,453 INFO L480 AbstractCegarLoop]: Abstraction has has 511 places, 410 transitions, 17980 flow [2021-03-25 18:04:17,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:17,453 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:17,453 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:17,453 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2021-03-25 18:04:17,453 INFO L428 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:17,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:17,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1381899694, now seen corresponding path program 121 times [2021-03-25 18:04:17,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:17,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785295214] [2021-03-25 18:04:17,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:17,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:17,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:17,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:17,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:17,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:17,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:17,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:17,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:04:17,483 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-25 18:04:17,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 18:04:17,508 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:17,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:17,527 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:17,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:17,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785295214] [2021-03-25 18:04:17,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:17,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:17,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316074152] [2021-03-25 18:04:17,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:17,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:17,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:17,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:17,547 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:17,547 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 410 transitions, 17980 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:17,547 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:17,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:17,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:18,281 INFO L129 PetriNetUnfolder]: 192/2320 cut-off events. [2021-03-25 18:04:18,283 INFO L130 PetriNetUnfolder]: For 106359/106974 co-relation queries the response was YES. [2021-03-25 18:04:18,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21178 conditions, 2320 events. 192/2320 cut-off events. For 106359/106974 co-relation queries the response was YES. Maximal size of possible extension queue 403. Compared 31533 event pairs, 53 based on Foata normal form. 17/2242 useless extension candidates. Maximal degree in co-relation 21043. Up to 417 conditions per place. [2021-03-25 18:04:18,321 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 278 selfloop transitions, 120 changer transitions 2/414 dead transitions. [2021-03-25 18:04:18,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 518 places, 414 transitions, 18852 flow [2021-03-25 18:04:18,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:18,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:18,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:18,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:18,322 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:18,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:18,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:18,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:18,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:18,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:18,323 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:18,323 INFO L185 Difference]: Start difference. First operand has 511 places, 410 transitions, 17980 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:18,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 518 places, 414 transitions, 18852 flow [2021-03-25 18:04:19,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 514 places, 414 transitions, 18654 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-25 18:04:19,039 INFO L241 Difference]: Finished difference. Result has 515 places, 408 transitions, 17903 flow [2021-03-25 18:04:19,039 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17790, PETRI_DIFFERENCE_MINUEND_PLACES=507, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=410, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=290, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17903, PETRI_PLACES=515, PETRI_TRANSITIONS=408} [2021-03-25 18:04:19,039 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 477 predicate places. [2021-03-25 18:04:19,039 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:19,040 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 515 places, 408 transitions, 17903 flow [2021-03-25 18:04:19,040 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 515 places, 408 transitions, 17903 flow [2021-03-25 18:04:19,045 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 514 places, 408 transitions, 17903 flow [2021-03-25 18:04:19,389 INFO L129 PetriNetUnfolder]: 138/2217 cut-off events. [2021-03-25 18:04:19,389 INFO L130 PetriNetUnfolder]: For 101540/101712 co-relation queries the response was YES. [2021-03-25 18:04:19,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19498 conditions, 2217 events. 138/2217 cut-off events. For 101540/101712 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 31047 event pairs, 0 based on Foata normal form. 0/2165 useless extension candidates. Maximal degree in co-relation 19364. Up to 276 conditions per place. [2021-03-25 18:04:19,431 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-25 18:04:19,458 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:19,458 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:19,458 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 419 [2021-03-25 18:04:19,458 INFO L480 AbstractCegarLoop]: Abstraction has has 514 places, 408 transitions, 17903 flow [2021-03-25 18:04:19,458 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:19,459 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:19,459 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:19,459 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2021-03-25 18:04:19,459 INFO L428 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:19,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:19,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1112061114, now seen corresponding path program 122 times [2021-03-25 18:04:19,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:19,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224273094] [2021-03-25 18:04:19,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:19,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:19,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:19,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:19,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:19,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:19,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:19,476 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:04:19,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:04:19,486 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:04:19,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:04:19,500 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:19,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:19,519 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:19,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:19,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:19,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224273094] [2021-03-25 18:04:19,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:19,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:19,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609203332] [2021-03-25 18:04:19,538 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:19,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:19,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:19,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:19,538 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:19,538 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 514 places, 408 transitions, 17903 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:19,538 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:19,538 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:19,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:20,186 INFO L129 PetriNetUnfolder]: 191/2310 cut-off events. [2021-03-25 18:04:20,186 INFO L130 PetriNetUnfolder]: For 106059/106699 co-relation queries the response was YES. [2021-03-25 18:04:20,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21158 conditions, 2310 events. 191/2310 cut-off events. For 106059/106699 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 31398 event pairs, 53 based on Foata normal form. 16/2230 useless extension candidates. Maximal degree in co-relation 21023. Up to 417 conditions per place. [2021-03-25 18:04:20,214 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 256 selfloop transitions, 142 changer transitions 0/412 dead transitions. [2021-03-25 18:04:20,214 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 521 places, 412 transitions, 18771 flow [2021-03-25 18:04:20,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:20,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:20,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:20,215 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:20,215 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:20,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:20,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:20,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:20,215 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:20,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:20,216 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:20,216 INFO L185 Difference]: Start difference. First operand has 514 places, 408 transitions, 17903 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:20,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 521 places, 412 transitions, 18771 flow [2021-03-25 18:04:20,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 516 places, 412 transitions, 18533 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-25 18:04:20,905 INFO L241 Difference]: Finished difference. Result has 517 places, 408 transitions, 17960 flow [2021-03-25 18:04:20,906 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17673, PETRI_DIFFERENCE_MINUEND_PLACES=509, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=142, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=266, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17960, PETRI_PLACES=517, PETRI_TRANSITIONS=408} [2021-03-25 18:04:20,906 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 479 predicate places. [2021-03-25 18:04:20,906 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:20,906 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 517 places, 408 transitions, 17960 flow [2021-03-25 18:04:20,906 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 517 places, 408 transitions, 17960 flow [2021-03-25 18:04:20,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 517 places, 408 transitions, 17960 flow [2021-03-25 18:04:21,263 INFO L129 PetriNetUnfolder]: 138/2216 cut-off events. [2021-03-25 18:04:21,263 INFO L130 PetriNetUnfolder]: For 101490/101662 co-relation queries the response was YES. [2021-03-25 18:04:21,285 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19499 conditions, 2216 events. 138/2216 cut-off events. For 101490/101662 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 31033 event pairs, 0 based on Foata normal form. 0/2164 useless extension candidates. Maximal degree in co-relation 19365. Up to 276 conditions per place. [2021-03-25 18:04:21,307 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-25 18:04:21,335 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:21,335 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:21,335 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 429 [2021-03-25 18:04:21,335 INFO L480 AbstractCegarLoop]: Abstraction has has 517 places, 408 transitions, 17960 flow [2021-03-25 18:04:21,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:21,335 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:21,335 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:21,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2021-03-25 18:04:21,335 INFO L428 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:21,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:21,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1034109646, now seen corresponding path program 123 times [2021-03-25 18:04:21,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:21,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186360390] [2021-03-25 18:04:21,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:21,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:21,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:21,343 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:21,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:21,347 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:21,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:21,353 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:04:21,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:04:21,364 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:04:21,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:04:21,378 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:21,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:21,397 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:21,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:21,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:21,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186360390] [2021-03-25 18:04:21,416 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:21,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:21,416 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146594898] [2021-03-25 18:04:21,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:21,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:21,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:21,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:21,416 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:21,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 517 places, 408 transitions, 17960 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:21,417 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:21,417 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:21,417 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:22,088 INFO L129 PetriNetUnfolder]: 191/2309 cut-off events. [2021-03-25 18:04:22,088 INFO L130 PetriNetUnfolder]: For 105819/106426 co-relation queries the response was YES. [2021-03-25 18:04:22,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21158 conditions, 2309 events. 191/2309 cut-off events. For 105819/106426 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 31351 event pairs, 53 based on Foata normal form. 16/2238 useless extension candidates. Maximal degree in co-relation 21023. Up to 417 conditions per place. [2021-03-25 18:04:22,115 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 258 selfloop transitions, 140 changer transitions 0/412 dead transitions. [2021-03-25 18:04:22,116 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 412 transitions, 18828 flow [2021-03-25 18:04:22,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:22,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:22,116 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:22,117 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:22,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:22,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:22,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:22,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:22,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:22,117 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:22,117 INFO L185 Difference]: Start difference. First operand has 517 places, 408 transitions, 17960 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:22,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 524 places, 412 transitions, 18828 flow [2021-03-25 18:04:22,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 520 places, 412 transitions, 18562 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-25 18:04:22,823 INFO L241 Difference]: Finished difference. Result has 521 places, 408 transitions, 17977 flow [2021-03-25 18:04:22,823 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17694, PETRI_DIFFERENCE_MINUEND_PLACES=513, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17977, PETRI_PLACES=521, PETRI_TRANSITIONS=408} [2021-03-25 18:04:22,823 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 483 predicate places. [2021-03-25 18:04:22,823 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:22,823 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 521 places, 408 transitions, 17977 flow [2021-03-25 18:04:22,823 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 521 places, 408 transitions, 17977 flow [2021-03-25 18:04:22,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 521 places, 408 transitions, 17977 flow [2021-03-25 18:04:23,173 INFO L129 PetriNetUnfolder]: 138/2215 cut-off events. [2021-03-25 18:04:23,173 INFO L130 PetriNetUnfolder]: For 103106/103278 co-relation queries the response was YES. [2021-03-25 18:04:23,198 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19731 conditions, 2215 events. 138/2215 cut-off events. For 103106/103278 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 31027 event pairs, 0 based on Foata normal form. 0/2163 useless extension candidates. Maximal degree in co-relation 19596. Up to 276 conditions per place. [2021-03-25 18:04:23,220 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-25 18:04:23,247 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:23,247 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:23,247 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 424 [2021-03-25 18:04:23,248 INFO L480 AbstractCegarLoop]: Abstraction has has 521 places, 408 transitions, 17977 flow [2021-03-25 18:04:23,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:23,248 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:23,248 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:23,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2021-03-25 18:04:23,248 INFO L428 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:23,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:23,249 INFO L82 PathProgramCache]: Analyzing trace with hash -785912190, now seen corresponding path program 124 times [2021-03-25 18:04:23,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:23,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010878495] [2021-03-25 18:04:23,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:23,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:23,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:23,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:23,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:23,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:23,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:23,279 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:04:23,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:04:23,290 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:04:23,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:04:23,306 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:23,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:23,325 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:23,326 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:23,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010878495] [2021-03-25 18:04:23,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:23,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:23,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450623760] [2021-03-25 18:04:23,344 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:23,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:23,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:23,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:23,345 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:23,345 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 521 places, 408 transitions, 17977 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:23,345 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:23,345 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:23,345 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:23,986 INFO L129 PetriNetUnfolder]: 191/2308 cut-off events. [2021-03-25 18:04:23,986 INFO L130 PetriNetUnfolder]: For 107845/108463 co-relation queries the response was YES. [2021-03-25 18:04:24,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21388 conditions, 2308 events. 191/2308 cut-off events. For 107845/108463 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 31363 event pairs, 53 based on Foata normal form. 17/2229 useless extension candidates. Maximal degree in co-relation 21252. Up to 417 conditions per place. [2021-03-25 18:04:24,014 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 259 selfloop transitions, 139 changer transitions 0/412 dead transitions. [2021-03-25 18:04:24,014 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 528 places, 412 transitions, 18853 flow [2021-03-25 18:04:24,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:24,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:24,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:24,015 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:24,016 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:24,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:24,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:24,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:24,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:24,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:24,017 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:24,017 INFO L185 Difference]: Start difference. First operand has 521 places, 408 transitions, 17977 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:24,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 528 places, 412 transitions, 18853 flow [2021-03-25 18:04:24,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 412 transitions, 18643 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-25 18:04:24,732 INFO L241 Difference]: Finished difference. Result has 526 places, 408 transitions, 18048 flow [2021-03-25 18:04:24,732 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17767, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18048, PETRI_PLACES=526, PETRI_TRANSITIONS=408} [2021-03-25 18:04:24,732 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 488 predicate places. [2021-03-25 18:04:24,732 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:24,733 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 526 places, 408 transitions, 18048 flow [2021-03-25 18:04:24,733 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 526 places, 408 transitions, 18048 flow [2021-03-25 18:04:24,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 526 places, 408 transitions, 18048 flow [2021-03-25 18:04:25,099 INFO L129 PetriNetUnfolder]: 138/2214 cut-off events. [2021-03-25 18:04:25,099 INFO L130 PetriNetUnfolder]: For 105268/105440 co-relation queries the response was YES. [2021-03-25 18:04:25,121 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20002 conditions, 2214 events. 138/2214 cut-off events. For 105268/105440 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 31038 event pairs, 0 based on Foata normal form. 0/2162 useless extension candidates. Maximal degree in co-relation 19866. Up to 276 conditions per place. [2021-03-25 18:04:25,143 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-25 18:04:25,171 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:25,171 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:25,171 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 439 [2021-03-25 18:04:25,171 INFO L480 AbstractCegarLoop]: Abstraction has has 526 places, 408 transitions, 18048 flow [2021-03-25 18:04:25,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:25,172 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:25,172 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:25,172 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-03-25 18:04:25,172 INFO L428 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:25,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:25,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1080695844, now seen corresponding path program 125 times [2021-03-25 18:04:25,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:25,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307516084] [2021-03-25 18:04:25,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:25,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:25,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:25,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:25,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:25,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:25,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:25,196 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:04:25,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:04:25,208 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:04:25,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:04:25,224 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:25,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:25,247 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:25,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:25,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:25,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307516084] [2021-03-25 18:04:25,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:25,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:25,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145082626] [2021-03-25 18:04:25,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:25,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:25,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:25,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:25,267 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:25,267 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 526 places, 408 transitions, 18048 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:25,267 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:25,267 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:25,267 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:25,946 INFO L129 PetriNetUnfolder]: 191/2307 cut-off events. [2021-03-25 18:04:25,946 INFO L130 PetriNetUnfolder]: For 110210/110852 co-relation queries the response was YES. [2021-03-25 18:04:25,970 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21657 conditions, 2307 events. 191/2307 cut-off events. For 110210/110852 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 31310 event pairs, 53 based on Foata normal form. 17/2229 useless extension candidates. Maximal degree in co-relation 21520. Up to 417 conditions per place. [2021-03-25 18:04:25,975 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 260 selfloop transitions, 138 changer transitions 0/412 dead transitions. [2021-03-25 18:04:25,975 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 412 transitions, 18932 flow [2021-03-25 18:04:25,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:25,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:25,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:25,976 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:25,976 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:25,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:25,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:25,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:25,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:25,977 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:25,977 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:25,977 INFO L185 Difference]: Start difference. First operand has 526 places, 408 transitions, 18048 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:25,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 412 transitions, 18932 flow [2021-03-25 18:04:26,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 529 places, 412 transitions, 18672 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-25 18:04:26,728 INFO L241 Difference]: Finished difference. Result has 530 places, 408 transitions, 18067 flow [2021-03-25 18:04:26,728 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17788, PETRI_DIFFERENCE_MINUEND_PLACES=522, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=18067, PETRI_PLACES=530, PETRI_TRANSITIONS=408} [2021-03-25 18:04:26,728 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 492 predicate places. [2021-03-25 18:04:26,728 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:26,728 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 530 places, 408 transitions, 18067 flow [2021-03-25 18:04:26,728 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 530 places, 408 transitions, 18067 flow [2021-03-25 18:04:26,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 530 places, 408 transitions, 18067 flow [2021-03-25 18:04:27,092 INFO L129 PetriNetUnfolder]: 138/2213 cut-off events. [2021-03-25 18:04:27,093 INFO L130 PetriNetUnfolder]: For 107180/107370 co-relation queries the response was YES. [2021-03-25 18:04:27,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20231 conditions, 2213 events. 138/2213 cut-off events. For 107180/107370 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 31000 event pairs, 0 based on Foata normal form. 0/2159 useless extension candidates. Maximal degree in co-relation 20094. Up to 276 conditions per place. [2021-03-25 18:04:27,194 INFO L142 LiptonReduction]: Number of co-enabled transitions 2864 [2021-03-25 18:04:27,220 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:27,220 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:27,220 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 492 [2021-03-25 18:04:27,220 INFO L480 AbstractCegarLoop]: Abstraction has has 530 places, 408 transitions, 18067 flow [2021-03-25 18:04:27,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:27,221 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:27,221 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:27,221 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2021-03-25 18:04:27,221 INFO L428 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:27,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:27,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1898114148, now seen corresponding path program 126 times [2021-03-25 18:04:27,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:27,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654309402] [2021-03-25 18:04:27,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:27,226 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:27,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:27,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:27,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:27,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:27,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:27,238 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:04:27,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:04:27,248 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:04:27,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:04:27,262 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:27,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:27,281 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:27,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:27,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:27,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654309402] [2021-03-25 18:04:27,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:27,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:27,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663845435] [2021-03-25 18:04:27,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:27,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:27,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:27,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:27,301 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:27,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 530 places, 408 transitions, 18067 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:27,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:27,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:27,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:27,958 INFO L129 PetriNetUnfolder]: 191/2306 cut-off events. [2021-03-25 18:04:27,958 INFO L130 PetriNetUnfolder]: For 112439/113046 co-relation queries the response was YES. [2021-03-25 18:04:27,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21884 conditions, 2306 events. 191/2306 cut-off events. For 112439/113046 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 31307 event pairs, 53 based on Foata normal form. 16/2226 useless extension candidates. Maximal degree in co-relation 21746. Up to 417 conditions per place. [2021-03-25 18:04:27,986 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 255 selfloop transitions, 129 changer transitions 14/412 dead transitions. [2021-03-25 18:04:27,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 537 places, 412 transitions, 18959 flow [2021-03-25 18:04:27,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:27,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:27,987 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:27,987 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:27,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:27,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:27,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:27,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:27,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:27,988 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:27,988 INFO L185 Difference]: Start difference. First operand has 530 places, 408 transitions, 18067 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:27,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 537 places, 412 transitions, 18959 flow [2021-03-25 18:04:28,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 534 places, 412 transitions, 18753 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-25 18:04:28,731 INFO L241 Difference]: Finished difference. Result has 535 places, 394 transitions, 17230 flow [2021-03-25 18:04:28,732 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17861, PETRI_DIFFERENCE_MINUEND_PLACES=527, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=129, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17230, PETRI_PLACES=535, PETRI_TRANSITIONS=394} [2021-03-25 18:04:28,732 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 497 predicate places. [2021-03-25 18:04:28,732 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:28,732 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 535 places, 394 transitions, 17230 flow [2021-03-25 18:04:28,732 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 535 places, 394 transitions, 17230 flow [2021-03-25 18:04:28,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 529 places, 394 transitions, 17230 flow [2021-03-25 18:04:29,056 INFO L129 PetriNetUnfolder]: 137/2124 cut-off events. [2021-03-25 18:04:29,056 INFO L130 PetriNetUnfolder]: For 98943/99076 co-relation queries the response was YES. [2021-03-25 18:04:29,078 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18732 conditions, 2124 events. 137/2124 cut-off events. For 98943/99076 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 29586 event pairs, 0 based on Foata normal form. 1/2077 useless extension candidates. Maximal degree in co-relation 18594. Up to 274 conditions per place. [2021-03-25 18:04:29,100 INFO L142 LiptonReduction]: Number of co-enabled transitions 2736 [2021-03-25 18:04:29,125 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:29,125 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:29,125 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 393 [2021-03-25 18:04:29,125 INFO L480 AbstractCegarLoop]: Abstraction has has 529 places, 394 transitions, 17230 flow [2021-03-25 18:04:29,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:29,125 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:29,125 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:29,125 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2021-03-25 18:04:29,126 INFO L428 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:29,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:29,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1316046012, now seen corresponding path program 127 times [2021-03-25 18:04:29,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:29,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718050037] [2021-03-25 18:04:29,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:29,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:29,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:29,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:29,132 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:29,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:29,136 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:04:29,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:04:29,145 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:04:29,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:04:29,156 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:04:29,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:04:29,171 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:29,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:29,190 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:29,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:29,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:29,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718050037] [2021-03-25 18:04:29,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:29,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:29,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903679141] [2021-03-25 18:04:29,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:29,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:29,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:29,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:29,209 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:29,210 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 394 transitions, 17230 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:29,210 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:29,210 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:29,210 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:29,827 INFO L129 PetriNetUnfolder]: 190/2228 cut-off events. [2021-03-25 18:04:29,827 INFO L130 PetriNetUnfolder]: For 103308/103562 co-relation queries the response was YES. [2021-03-25 18:04:29,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20333 conditions, 2228 events. 190/2228 cut-off events. For 103308/103562 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 30120 event pairs, 17 based on Foata normal form. 19/2176 useless extension candidates. Maximal degree in co-relation 20194. Up to 501 conditions per place. [2021-03-25 18:04:29,854 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 243 selfloop transitions, 170 changer transitions 0/427 dead transitions. [2021-03-25 18:04:29,854 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 427 transitions, 19363 flow [2021-03-25 18:04:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:29,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:29,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:29,855 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:29,856 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:29,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:29,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:29,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:29,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:29,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:29,857 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:29,857 INFO L185 Difference]: Start difference. First operand has 529 places, 394 transitions, 17230 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:29,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 427 transitions, 19363 flow [2021-03-25 18:04:30,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 525 places, 427 transitions, 18888 flow, removed 30 selfloop flow, removed 11 redundant places. [2021-03-25 18:04:30,518 INFO L241 Difference]: Finished difference. Result has 529 places, 408 transitions, 17891 flow [2021-03-25 18:04:30,519 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=16821, PETRI_DIFFERENCE_MINUEND_PLACES=518, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=394, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=156, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17891, PETRI_PLACES=529, PETRI_TRANSITIONS=408} [2021-03-25 18:04:30,519 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 491 predicate places. [2021-03-25 18:04:30,519 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:30,519 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 529 places, 408 transitions, 17891 flow [2021-03-25 18:04:30,519 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 529 places, 408 transitions, 17891 flow [2021-03-25 18:04:30,524 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 529 places, 408 transitions, 17891 flow [2021-03-25 18:04:30,886 INFO L129 PetriNetUnfolder]: 137/2123 cut-off events. [2021-03-25 18:04:30,887 INFO L130 PetriNetUnfolder]: For 89046/89173 co-relation queries the response was YES. [2021-03-25 18:04:30,908 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17695 conditions, 2123 events. 137/2123 cut-off events. For 89046/89173 co-relation queries the response was YES. Maximal size of possible extension queue 390. Compared 29607 event pairs, 0 based on Foata normal form. 1/2076 useless extension candidates. Maximal degree in co-relation 17559. Up to 274 conditions per place. [2021-03-25 18:04:30,929 INFO L142 LiptonReduction]: Number of co-enabled transitions 2774 [2021-03-25 18:04:30,954 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:30,954 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:30,954 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 435 [2021-03-25 18:04:30,955 INFO L480 AbstractCegarLoop]: Abstraction has has 529 places, 408 transitions, 17891 flow [2021-03-25 18:04:30,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:30,955 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:30,955 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:30,955 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2021-03-25 18:04:30,955 INFO L428 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:30,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:30,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1564582166, now seen corresponding path program 128 times [2021-03-25 18:04:30,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:30,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571529936] [2021-03-25 18:04:30,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:30,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:30,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:30,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:30,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:30,967 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:04:30,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:04:30,974 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:04:30,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:04:30,985 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:04:30,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:04:31,000 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:04:31,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:04:31,019 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:31,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:31,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:31,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571529936] [2021-03-25 18:04:31,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:31,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:31,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398048261] [2021-03-25 18:04:31,038 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:31,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:31,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:31,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:31,039 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:31,039 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 529 places, 408 transitions, 17891 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:31,039 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:31,039 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:31,039 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:31,642 INFO L129 PetriNetUnfolder]: 190/2227 cut-off events. [2021-03-25 18:04:31,643 INFO L130 PetriNetUnfolder]: For 92409/92640 co-relation queries the response was YES. [2021-03-25 18:04:31,668 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19318 conditions, 2227 events. 190/2227 cut-off events. For 92409/92640 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 30161 event pairs, 17 based on Foata normal form. 16/2172 useless extension candidates. Maximal degree in co-relation 19181. Up to 501 conditions per place. [2021-03-25 18:04:31,672 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 242 selfloop transitions, 171 changer transitions 0/427 dead transitions. [2021-03-25 18:04:31,672 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 427 transitions, 19351 flow [2021-03-25 18:04:31,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:31,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:31,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:31,673 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:31,673 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:31,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:31,673 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:31,673 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:31,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:31,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:31,674 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:31,674 INFO L185 Difference]: Start difference. First operand has 529 places, 408 transitions, 17891 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:31,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 536 places, 427 transitions, 19351 flow [2021-03-25 18:04:32,317 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 533 places, 427 transitions, 18942 flow, removed 75 selfloop flow, removed 3 redundant places. [2021-03-25 18:04:32,326 INFO L241 Difference]: Finished difference. Result has 534 places, 408 transitions, 17827 flow [2021-03-25 18:04:32,326 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17482, PETRI_DIFFERENCE_MINUEND_PLACES=526, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=17827, PETRI_PLACES=534, PETRI_TRANSITIONS=408} [2021-03-25 18:04:32,326 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 496 predicate places. [2021-03-25 18:04:32,326 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:32,327 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 534 places, 408 transitions, 17827 flow [2021-03-25 18:04:32,327 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 534 places, 408 transitions, 17827 flow [2021-03-25 18:04:32,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 534 places, 408 transitions, 17827 flow [2021-03-25 18:04:32,646 INFO L129 PetriNetUnfolder]: 137/2122 cut-off events. [2021-03-25 18:04:32,646 INFO L130 PetriNetUnfolder]: For 87811/87935 co-relation queries the response was YES. [2021-03-25 18:04:32,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17778 conditions, 2122 events. 137/2122 cut-off events. For 87811/87935 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 29554 event pairs, 0 based on Foata normal form. 1/2073 useless extension candidates. Maximal degree in co-relation 17641. Up to 274 conditions per place. [2021-03-25 18:04:32,687 INFO L142 LiptonReduction]: Number of co-enabled transitions 2774 [2021-03-25 18:04:32,714 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:32,714 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:32,714 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 388 [2021-03-25 18:04:32,714 INFO L480 AbstractCegarLoop]: Abstraction has has 534 places, 408 transitions, 17827 flow [2021-03-25 18:04:32,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:32,714 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:32,714 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:32,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2021-03-25 18:04:32,715 INFO L428 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:32,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:32,715 INFO L82 PathProgramCache]: Analyzing trace with hash 102568800, now seen corresponding path program 129 times [2021-03-25 18:04:32,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:32,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519860381] [2021-03-25 18:04:32,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:32,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:32,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:32,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:32,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:32,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:32,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:32,735 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:04:32,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:04:32,753 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:04:32,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:04:32,770 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:04:32,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:04:32,789 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:32,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:32,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:32,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519860381] [2021-03-25 18:04:32,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:32,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:32,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588301177] [2021-03-25 18:04:32,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:32,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:32,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:32,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:32,808 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:32,808 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 534 places, 408 transitions, 17827 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:32,808 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:32,808 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:32,808 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:33,518 INFO L129 PetriNetUnfolder]: 221/2581 cut-off events. [2021-03-25 18:04:33,518 INFO L130 PetriNetUnfolder]: For 102195/102426 co-relation queries the response was YES. [2021-03-25 18:04:33,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21615 conditions, 2581 events. 221/2581 cut-off events. For 102195/102426 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 35765 event pairs, 17 based on Foata normal form. 4/2512 useless extension candidates. Maximal degree in co-relation 21477. Up to 470 conditions per place. [2021-03-25 18:04:33,549 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 300 selfloop transitions, 184 changer transitions 2/500 dead transitions. [2021-03-25 18:04:33,549 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 500 transitions, 22155 flow [2021-03-25 18:04:33,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:33,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:33,550 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:33,550 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:33,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:33,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:33,551 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:33,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:33,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:33,551 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:33,551 INFO L185 Difference]: Start difference. First operand has 534 places, 408 transitions, 17827 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:33,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 541 places, 500 transitions, 22155 flow [2021-03-25 18:04:34,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 538 places, 500 transitions, 21836 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 18:04:34,283 INFO L241 Difference]: Finished difference. Result has 544 places, 438 transitions, 19511 flow [2021-03-25 18:04:34,283 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=17567, PETRI_DIFFERENCE_MINUEND_PLACES=531, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=154, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=19511, PETRI_PLACES=544, PETRI_TRANSITIONS=438} [2021-03-25 18:04:34,283 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 506 predicate places. [2021-03-25 18:04:34,283 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:34,283 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 544 places, 438 transitions, 19511 flow [2021-03-25 18:04:34,283 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 544 places, 438 transitions, 19511 flow [2021-03-25 18:04:34,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 543 places, 438 transitions, 19511 flow [2021-03-25 18:04:34,702 INFO L129 PetriNetUnfolder]: 168/2474 cut-off events. [2021-03-25 18:04:34,702 INFO L130 PetriNetUnfolder]: For 106985/107138 co-relation queries the response was YES. [2021-03-25 18:04:34,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20478 conditions, 2474 events. 168/2474 cut-off events. For 106985/107138 co-relation queries the response was YES. Maximal size of possible extension queue 452. Compared 35192 event pairs, 0 based on Foata normal form. 6/2421 useless extension candidates. Maximal degree in co-relation 20335. Up to 336 conditions per place. [2021-03-25 18:04:34,754 INFO L142 LiptonReduction]: Number of co-enabled transitions 3026 [2021-03-25 18:04:34,783 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:34,783 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:34,783 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 500 [2021-03-25 18:04:34,783 INFO L480 AbstractCegarLoop]: Abstraction has has 543 places, 438 transitions, 19511 flow [2021-03-25 18:04:34,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:34,783 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:34,783 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:34,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-03-25 18:04:34,783 INFO L428 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:34,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:34,784 INFO L82 PathProgramCache]: Analyzing trace with hash 75720428, now seen corresponding path program 130 times [2021-03-25 18:04:34,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:34,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464230609] [2021-03-25 18:04:34,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:34,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:34,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:34,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:34,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:34,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:34,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:34,802 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:04:34,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:04:34,818 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:34,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:34,840 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:04:34,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:04:34,859 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:34,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:34,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:34,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464230609] [2021-03-25 18:04:34,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:34,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:34,878 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885902399] [2021-03-25 18:04:34,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:34,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:34,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:34,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:34,879 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:34,879 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 438 transitions, 19511 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:34,879 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:34,879 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:34,879 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:35,713 INFO L129 PetriNetUnfolder]: 241/2939 cut-off events. [2021-03-25 18:04:35,713 INFO L130 PetriNetUnfolder]: For 124453/124699 co-relation queries the response was YES. [2021-03-25 18:04:35,744 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24726 conditions, 2939 events. 241/2939 cut-off events. For 124453/124699 co-relation queries the response was YES. Maximal size of possible extension queue 522. Compared 42155 event pairs, 14 based on Foata normal form. 4/2858 useless extension candidates. Maximal degree in co-relation 24582. Up to 541 conditions per place. [2021-03-25 18:04:35,750 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 314 selfloop transitions, 213 changer transitions 2/543 dead transitions. [2021-03-25 18:04:35,750 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 543 transitions, 24518 flow [2021-03-25 18:04:35,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:35,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:35,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:35,751 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:35,751 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:35,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:35,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:35,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:35,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:35,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:35,752 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:35,752 INFO L185 Difference]: Start difference. First operand has 543 places, 438 transitions, 19511 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:35,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 543 transitions, 24518 flow [2021-03-25 18:04:36,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 547 places, 543 transitions, 24234 flow, removed 87 selfloop flow, removed 3 redundant places. [2021-03-25 18:04:36,679 INFO L241 Difference]: Finished difference. Result has 553 places, 462 transitions, 20981 flow [2021-03-25 18:04:36,680 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=19296, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=438, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=20981, PETRI_PLACES=553, PETRI_TRANSITIONS=462} [2021-03-25 18:04:36,680 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 515 predicate places. [2021-03-25 18:04:36,680 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:36,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 553 places, 462 transitions, 20981 flow [2021-03-25 18:04:36,680 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 553 places, 462 transitions, 20981 flow [2021-03-25 18:04:36,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 552 places, 462 transitions, 20981 flow [2021-03-25 18:04:37,165 INFO L129 PetriNetUnfolder]: 195/2832 cut-off events. [2021-03-25 18:04:37,165 INFO L130 PetriNetUnfolder]: For 125196/125477 co-relation queries the response was YES. [2021-03-25 18:04:37,196 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23174 conditions, 2832 events. 195/2832 cut-off events. For 125196/125477 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 41347 event pairs, 0 based on Foata normal form. 7/2767 useless extension candidates. Maximal degree in co-relation 23027. Up to 390 conditions per place. [2021-03-25 18:04:37,226 INFO L142 LiptonReduction]: Number of co-enabled transitions 3248 [2021-03-25 18:04:37,259 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:37,260 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:37,260 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 580 [2021-03-25 18:04:37,260 INFO L480 AbstractCegarLoop]: Abstraction has has 552 places, 462 transitions, 20981 flow [2021-03-25 18:04:37,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:37,260 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:37,260 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:37,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2021-03-25 18:04:37,260 INFO L428 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:37,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:37,261 INFO L82 PathProgramCache]: Analyzing trace with hash -827442216, now seen corresponding path program 131 times [2021-03-25 18:04:37,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:37,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382232978] [2021-03-25 18:04:37,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:37,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:37,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:37,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:37,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:37,276 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:04:37,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:04:37,284 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:04:37,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:04:37,296 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:04:37,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:04:37,313 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:37,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:37,335 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:37,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:37,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:37,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382232978] [2021-03-25 18:04:37,356 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:37,356 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:37,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450763502] [2021-03-25 18:04:37,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:37,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:37,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:37,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:37,357 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:37,357 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 462 transitions, 20981 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:37,357 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:37,357 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:37,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:38,281 INFO L129 PetriNetUnfolder]: 240/2934 cut-off events. [2021-03-25 18:04:38,281 INFO L130 PetriNetUnfolder]: For 130891/131145 co-relation queries the response was YES. [2021-03-25 18:04:38,312 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25213 conditions, 2934 events. 240/2934 cut-off events. For 130891/131145 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 42062 event pairs, 15 based on Foata normal form. 19/2861 useless extension candidates. Maximal degree in co-relation 25065. Up to 584 conditions per place. [2021-03-25 18:04:38,317 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 279 selfloop transitions, 195 changer transitions 0/488 dead transitions. [2021-03-25 18:04:38,317 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 488 transitions, 22838 flow [2021-03-25 18:04:38,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:38,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:38,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:38,318 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:38,318 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:38,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:38,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:38,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:38,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:38,319 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:38,319 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:38,319 INFO L185 Difference]: Start difference. First operand has 552 places, 462 transitions, 20981 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:38,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 559 places, 488 transitions, 22838 flow [2021-03-25 18:04:39,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 556 places, 488 transitions, 22682 flow, removed 41 selfloop flow, removed 3 redundant places. [2021-03-25 18:04:39,220 INFO L241 Difference]: Finished difference. Result has 558 places, 463 transitions, 21315 flow [2021-03-25 18:04:39,220 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20839, PETRI_DIFFERENCE_MINUEND_PLACES=549, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21315, PETRI_PLACES=558, PETRI_TRANSITIONS=463} [2021-03-25 18:04:39,220 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 520 predicate places. [2021-03-25 18:04:39,220 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:39,220 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 558 places, 463 transitions, 21315 flow [2021-03-25 18:04:39,220 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 558 places, 463 transitions, 21315 flow [2021-03-25 18:04:39,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 558 places, 463 transitions, 21315 flow [2021-03-25 18:04:39,689 INFO L129 PetriNetUnfolder]: 195/2831 cut-off events. [2021-03-25 18:04:39,689 INFO L130 PetriNetUnfolder]: For 126090/126391 co-relation queries the response was YES. [2021-03-25 18:04:39,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23407 conditions, 2831 events. 195/2831 cut-off events. For 126090/126391 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 41233 event pairs, 0 based on Foata normal form. 7/2769 useless extension candidates. Maximal degree in co-relation 23260. Up to 390 conditions per place. [2021-03-25 18:04:39,744 INFO L142 LiptonReduction]: Number of co-enabled transitions 3250 [2021-03-25 18:04:39,777 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:39,777 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:39,777 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 557 [2021-03-25 18:04:39,777 INFO L480 AbstractCegarLoop]: Abstraction has has 558 places, 463 transitions, 21315 flow [2021-03-25 18:04:39,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:39,778 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:39,778 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:39,778 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2021-03-25 18:04:39,778 INFO L428 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:39,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:39,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1282858920, now seen corresponding path program 132 times [2021-03-25 18:04:39,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:39,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933801041] [2021-03-25 18:04:39,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:39,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:39,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:39,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:39,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:39,804 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:04:39,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:04:39,812 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:04:39,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:04:39,823 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:04:39,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:04:39,838 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:04:39,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:04:39,857 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:39,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:39,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:39,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933801041] [2021-03-25 18:04:39,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:39,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:39,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189813919] [2021-03-25 18:04:39,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:39,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:39,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:39,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:39,876 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:39,877 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 558 places, 463 transitions, 21315 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:39,877 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:39,877 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:39,877 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:40,748 INFO L129 PetriNetUnfolder]: 240/2933 cut-off events. [2021-03-25 18:04:40,748 INFO L130 PetriNetUnfolder]: For 131469/131823 co-relation queries the response was YES. [2021-03-25 18:04:40,779 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25460 conditions, 2933 events. 240/2933 cut-off events. For 131469/131823 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 42083 event pairs, 15 based on Foata normal form. 19/2855 useless extension candidates. Maximal degree in co-relation 25312. Up to 584 conditions per place. [2021-03-25 18:04:40,784 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 280 selfloop transitions, 194 changer transitions 0/488 dead transitions. [2021-03-25 18:04:40,785 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 565 places, 488 transitions, 23108 flow [2021-03-25 18:04:40,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:40,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:40,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:40,785 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:40,786 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:40,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:40,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:40,786 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:40,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:40,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:40,786 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:40,786 INFO L185 Difference]: Start difference. First operand has 558 places, 463 transitions, 21315 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:40,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 565 places, 488 transitions, 23108 flow [2021-03-25 18:04:41,742 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 560 places, 488 transitions, 22721 flow, removed 14 selfloop flow, removed 5 redundant places. [2021-03-25 18:04:41,753 INFO L241 Difference]: Finished difference. Result has 561 places, 463 transitions, 21319 flow [2021-03-25 18:04:41,753 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20928, PETRI_DIFFERENCE_MINUEND_PLACES=553, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=194, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21319, PETRI_PLACES=561, PETRI_TRANSITIONS=463} [2021-03-25 18:04:41,753 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 523 predicate places. [2021-03-25 18:04:41,753 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:41,753 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 561 places, 463 transitions, 21319 flow [2021-03-25 18:04:41,753 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 561 places, 463 transitions, 21319 flow [2021-03-25 18:04:41,759 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 561 places, 463 transitions, 21319 flow [2021-03-25 18:04:42,231 INFO L129 PetriNetUnfolder]: 195/2830 cut-off events. [2021-03-25 18:04:42,231 INFO L130 PetriNetUnfolder]: For 128552/128854 co-relation queries the response was YES. [2021-03-25 18:04:42,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23695 conditions, 2830 events. 195/2830 cut-off events. For 128552/128854 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 41273 event pairs, 0 based on Foata normal form. 7/2768 useless extension candidates. Maximal degree in co-relation 23547. Up to 390 conditions per place. [2021-03-25 18:04:42,289 INFO L142 LiptonReduction]: Number of co-enabled transitions 3250 [2021-03-25 18:04:42,321 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:42,321 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:42,321 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 568 [2021-03-25 18:04:42,321 INFO L480 AbstractCegarLoop]: Abstraction has has 561 places, 463 transitions, 21319 flow [2021-03-25 18:04:42,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:42,321 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:42,321 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:42,321 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2021-03-25 18:04:42,321 INFO L428 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:42,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:42,322 INFO L82 PathProgramCache]: Analyzing trace with hash -766335344, now seen corresponding path program 133 times [2021-03-25 18:04:42,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:42,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552176147] [2021-03-25 18:04:42,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:42,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:42,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:42,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:42,330 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:42,334 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:04:42,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:04:42,341 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:04:42,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:04:42,351 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:04:42,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:04:42,366 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:42,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:42,389 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:42,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:42,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:42,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552176147] [2021-03-25 18:04:42,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:42,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:42,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748281446] [2021-03-25 18:04:42,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:42,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:42,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:42,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:42,409 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:42,409 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 561 places, 463 transitions, 21319 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:42,409 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:42,409 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:42,409 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:43,282 INFO L129 PetriNetUnfolder]: 240/2932 cut-off events. [2021-03-25 18:04:43,283 INFO L130 PetriNetUnfolder]: For 134094/134438 co-relation queries the response was YES. [2021-03-25 18:04:43,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25746 conditions, 2932 events. 240/2932 cut-off events. For 134094/134438 co-relation queries the response was YES. Maximal size of possible extension queue 521. Compared 42078 event pairs, 15 based on Foata normal form. 16/2851 useless extension candidates. Maximal degree in co-relation 25597. Up to 584 conditions per place. [2021-03-25 18:04:43,321 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 284 selfloop transitions, 190 changer transitions 0/488 dead transitions. [2021-03-25 18:04:43,321 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 488 transitions, 23120 flow [2021-03-25 18:04:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:43,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:43,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:43,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:43,322 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:43,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:43,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:43,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:43,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:43,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:43,324 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:43,324 INFO L185 Difference]: Start difference. First operand has 561 places, 463 transitions, 21319 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:43,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 488 transitions, 23120 flow [2021-03-25 18:04:44,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 488 transitions, 22752 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-25 18:04:44,310 INFO L241 Difference]: Finished difference. Result has 565 places, 466 transitions, 21542 flow [2021-03-25 18:04:44,310 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=20951, PETRI_DIFFERENCE_MINUEND_PLACES=556, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=463, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=187, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=21542, PETRI_PLACES=565, PETRI_TRANSITIONS=466} [2021-03-25 18:04:44,310 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 527 predicate places. [2021-03-25 18:04:44,311 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:44,311 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 565 places, 466 transitions, 21542 flow [2021-03-25 18:04:44,311 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 565 places, 466 transitions, 21542 flow [2021-03-25 18:04:44,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 565 places, 466 transitions, 21542 flow [2021-03-25 18:04:44,808 INFO L129 PetriNetUnfolder]: 195/2829 cut-off events. [2021-03-25 18:04:44,809 INFO L130 PetriNetUnfolder]: For 132414/132708 co-relation queries the response was YES. [2021-03-25 18:04:44,839 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24026 conditions, 2829 events. 195/2829 cut-off events. For 132414/132708 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 41248 event pairs, 0 based on Foata normal form. 7/2763 useless extension candidates. Maximal degree in co-relation 23876. Up to 390 conditions per place. [2021-03-25 18:04:44,868 INFO L142 LiptonReduction]: Number of co-enabled transitions 3256 [2021-03-25 18:04:44,901 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:44,901 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:44,901 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 590 [2021-03-25 18:04:44,901 INFO L480 AbstractCegarLoop]: Abstraction has has 565 places, 466 transitions, 21542 flow [2021-03-25 18:04:44,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:44,901 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:44,901 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:44,901 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2021-03-25 18:04:44,901 INFO L428 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:44,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:44,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1503569646, now seen corresponding path program 134 times [2021-03-25 18:04:44,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:44,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585173508] [2021-03-25 18:04:44,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:44,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:44,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:44,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:44,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:44,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:44,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:44,922 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:04:44,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:04:44,942 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:44,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:44,967 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:04:44,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:04:44,990 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:44,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:45,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:45,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585173508] [2021-03-25 18:04:45,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:45,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:45,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814905851] [2021-03-25 18:04:45,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:45,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:45,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:45,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:45,012 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:45,013 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 466 transitions, 21542 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:45,013 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:45,013 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:45,013 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:45,904 INFO L129 PetriNetUnfolder]: 245/2994 cut-off events. [2021-03-25 18:04:45,905 INFO L130 PetriNetUnfolder]: For 141348/141761 co-relation queries the response was YES. [2021-03-25 18:04:45,938 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26565 conditions, 2994 events. 245/2994 cut-off events. For 141348/141761 co-relation queries the response was YES. Maximal size of possible extension queue 535. Compared 43081 event pairs, 14 based on Foata normal form. 7/2911 useless extension candidates. Maximal degree in co-relation 26414. Up to 594 conditions per place. [2021-03-25 18:04:45,944 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 322 selfloop transitions, 224 changer transitions 2/562 dead transitions. [2021-03-25 18:04:45,945 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 562 transitions, 26254 flow [2021-03-25 18:04:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:45,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:45,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:45,946 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:45,946 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:45,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:45,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:45,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:45,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:45,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:45,947 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:45,947 INFO L185 Difference]: Start difference. First operand has 565 places, 466 transitions, 21542 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:45,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 562 transitions, 26254 flow [2021-03-25 18:04:46,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 562 transitions, 25835 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-03-25 18:04:46,995 INFO L241 Difference]: Finished difference. Result has 574 places, 504 transitions, 23400 flow [2021-03-25 18:04:46,995 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=21189, PETRI_DIFFERENCE_MINUEND_PLACES=561, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=466, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=186, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=23400, PETRI_PLACES=574, PETRI_TRANSITIONS=504} [2021-03-25 18:04:46,995 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 536 predicate places. [2021-03-25 18:04:46,996 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:46,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 574 places, 504 transitions, 23400 flow [2021-03-25 18:04:46,996 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 574 places, 504 transitions, 23400 flow [2021-03-25 18:04:47,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 573 places, 504 transitions, 23400 flow [2021-03-25 18:04:47,523 INFO L129 PetriNetUnfolder]: 200/2893 cut-off events. [2021-03-25 18:04:47,523 INFO L130 PetriNetUnfolder]: For 144681/144948 co-relation queries the response was YES. [2021-03-25 18:04:47,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25076 conditions, 2893 events. 200/2893 cut-off events. For 144681/144948 co-relation queries the response was YES. Maximal size of possible extension queue 530. Compared 42345 event pairs, 0 based on Foata normal form. 9/2829 useless extension candidates. Maximal degree in co-relation 24920. Up to 400 conditions per place. [2021-03-25 18:04:47,586 INFO L142 LiptonReduction]: Number of co-enabled transitions 3446 [2021-03-25 18:04:47,624 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:47,624 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:47,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 628 [2021-03-25 18:04:47,624 INFO L480 AbstractCegarLoop]: Abstraction has has 573 places, 504 transitions, 23400 flow [2021-03-25 18:04:47,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:47,624 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:47,624 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:47,625 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-03-25 18:04:47,625 INFO L428 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:47,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:47,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1479225812, now seen corresponding path program 135 times [2021-03-25 18:04:47,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:47,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016571597] [2021-03-25 18:04:47,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:47,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:47,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:47,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:47,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:47,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:47,637 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:04:47,646 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:04:47,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:04:47,662 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:47,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:47,683 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:04:47,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:04:47,702 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:47,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:47,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:47,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016571597] [2021-03-25 18:04:47,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:47,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:47,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606532697] [2021-03-25 18:04:47,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:47,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:47,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:47,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:47,721 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:47,721 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 504 transitions, 23400 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:47,721 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:47,721 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:47,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:48,699 INFO L129 PetriNetUnfolder]: 248/3035 cut-off events. [2021-03-25 18:04:48,699 INFO L130 PetriNetUnfolder]: For 154245/154591 co-relation queries the response was YES. [2021-03-25 18:04:48,733 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27591 conditions, 3035 events. 248/3035 cut-off events. For 154245/154591 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 43781 event pairs, 17 based on Foata normal form. 16/2968 useless extension candidates. Maximal degree in co-relation 27434. Up to 582 conditions per place. [2021-03-25 18:04:48,739 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 321 selfloop transitions, 251 changer transitions 2/588 dead transitions. [2021-03-25 18:04:48,739 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 580 places, 588 transitions, 27646 flow [2021-03-25 18:04:48,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:48,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:48,740 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:48,740 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:48,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:48,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:48,740 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:48,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:48,741 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:48,741 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:48,741 INFO L185 Difference]: Start difference. First operand has 573 places, 504 transitions, 23400 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:48,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 580 places, 588 transitions, 27646 flow [2021-03-25 18:04:49,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 577 places, 588 transitions, 27399 flow, removed 71 selfloop flow, removed 3 redundant places. [2021-03-25 18:04:49,856 INFO L241 Difference]: Finished difference. Result has 583 places, 532 transitions, 25284 flow [2021-03-25 18:04:49,857 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=23195, PETRI_DIFFERENCE_MINUEND_PLACES=570, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=504, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=223, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=25284, PETRI_PLACES=583, PETRI_TRANSITIONS=532} [2021-03-25 18:04:49,857 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 545 predicate places. [2021-03-25 18:04:49,857 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:49,857 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 583 places, 532 transitions, 25284 flow [2021-03-25 18:04:49,857 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 583 places, 532 transitions, 25284 flow [2021-03-25 18:04:49,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 582 places, 532 transitions, 25284 flow [2021-03-25 18:04:50,503 INFO L129 PetriNetUnfolder]: 204/2942 cut-off events. [2021-03-25 18:04:50,503 INFO L130 PetriNetUnfolder]: For 154054/154360 co-relation queries the response was YES. [2021-03-25 18:04:50,534 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25933 conditions, 2942 events. 204/2942 cut-off events. For 154054/154360 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 43204 event pairs, 0 based on Foata normal form. 8/2881 useless extension candidates. Maximal degree in co-relation 25773. Up to 408 conditions per place. [2021-03-25 18:04:50,563 INFO L142 LiptonReduction]: Number of co-enabled transitions 3686 [2021-03-25 18:04:50,604 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:50,604 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:50,605 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 748 [2021-03-25 18:04:50,605 INFO L480 AbstractCegarLoop]: Abstraction has has 582 places, 532 transitions, 25284 flow [2021-03-25 18:04:50,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:50,605 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:50,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:50,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2021-03-25 18:04:50,605 INFO L428 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:50,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:50,605 INFO L82 PathProgramCache]: Analyzing trace with hash -806306608, now seen corresponding path program 136 times [2021-03-25 18:04:50,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:50,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112749495] [2021-03-25 18:04:50,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:50,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:50,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:50,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:50,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:50,618 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:04:50,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:04:50,626 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:04:50,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:04:50,639 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:04:50,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:04:50,655 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:50,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:50,678 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:50,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:50,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112749495] [2021-03-25 18:04:50,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:50,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:50,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733249704] [2021-03-25 18:04:50,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:50,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:50,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:50,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:50,702 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:50,702 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 582 places, 532 transitions, 25284 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:50,702 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:50,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:50,703 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:51,770 INFO L129 PetriNetUnfolder]: 247/3025 cut-off events. [2021-03-25 18:04:51,770 INFO L130 PetriNetUnfolder]: For 161258/161592 co-relation queries the response was YES. [2021-03-25 18:04:51,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28108 conditions, 3025 events. 247/3025 cut-off events. For 161258/161592 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 43640 event pairs, 28 based on Foata normal form. 34/2982 useless extension candidates. Maximal degree in co-relation 27947. Up to 592 conditions per place. [2021-03-25 18:04:51,811 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 319 selfloop transitions, 217 changer transitions 0/550 dead transitions. [2021-03-25 18:04:51,812 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 589 places, 550 transitions, 26935 flow [2021-03-25 18:04:51,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:51,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:51,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:51,812 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:51,813 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:51,813 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:51,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:51,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:51,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:51,813 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:51,813 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:51,813 INFO L185 Difference]: Start difference. First operand has 582 places, 532 transitions, 25284 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:51,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 589 places, 550 transitions, 26935 flow [2021-03-25 18:04:53,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 585 places, 550 transitions, 26601 flow, removed 71 selfloop flow, removed 4 redundant places. [2021-03-25 18:04:53,085 INFO L241 Difference]: Finished difference. Result has 586 places, 532 transitions, 25395 flow [2021-03-25 18:04:53,085 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=24958, PETRI_DIFFERENCE_MINUEND_PLACES=578, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=217, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=25395, PETRI_PLACES=586, PETRI_TRANSITIONS=532} [2021-03-25 18:04:53,085 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 548 predicate places. [2021-03-25 18:04:53,085 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:53,085 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 586 places, 532 transitions, 25395 flow [2021-03-25 18:04:53,085 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 586 places, 532 transitions, 25395 flow [2021-03-25 18:04:53,092 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 586 places, 532 transitions, 25395 flow [2021-03-25 18:04:53,621 INFO L129 PetriNetUnfolder]: 204/2941 cut-off events. [2021-03-25 18:04:53,622 INFO L130 PetriNetUnfolder]: For 153070/153376 co-relation queries the response was YES. [2021-03-25 18:04:53,654 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26097 conditions, 2941 events. 204/2941 cut-off events. For 153070/153376 co-relation queries the response was YES. Maximal size of possible extension queue 541. Compared 43254 event pairs, 0 based on Foata normal form. 8/2878 useless extension candidates. Maximal degree in co-relation 25939. Up to 408 conditions per place. [2021-03-25 18:04:53,684 INFO L142 LiptonReduction]: Number of co-enabled transitions 3686 [2021-03-25 18:04:53,723 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:53,723 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:53,723 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 638 [2021-03-25 18:04:53,724 INFO L480 AbstractCegarLoop]: Abstraction has has 586 places, 532 transitions, 25395 flow [2021-03-25 18:04:53,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:53,724 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:53,724 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:53,724 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2021-03-25 18:04:53,724 INFO L428 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:53,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:53,724 INFO L82 PathProgramCache]: Analyzing trace with hash -2079182480, now seen corresponding path program 137 times [2021-03-25 18:04:53,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:53,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212183736] [2021-03-25 18:04:53,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:53,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:53,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:53,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:53,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:53,738 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:04:53,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:04:53,745 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:04:53,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:04:53,757 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:04:53,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:04:53,784 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:53,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:53,805 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:53,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:53,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212183736] [2021-03-25 18:04:53,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:53,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:53,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152592310] [2021-03-25 18:04:53,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:53,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:53,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:53,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:53,827 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:53,827 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 532 transitions, 25395 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:53,827 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:53,828 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:53,828 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:54,858 INFO L129 PetriNetUnfolder]: 247/3038 cut-off events. [2021-03-25 18:04:54,858 INFO L130 PetriNetUnfolder]: For 159797/160011 co-relation queries the response was YES. [2021-03-25 18:04:54,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28285 conditions, 3038 events. 247/3038 cut-off events. For 159797/160011 co-relation queries the response was YES. Maximal size of possible extension queue 543. Compared 43933 event pairs, 17 based on Foata normal form. 23/2989 useless extension candidates. Maximal degree in co-relation 28126. Up to 592 conditions per place. [2021-03-25 18:04:54,899 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 331 selfloop transitions, 205 changer transitions 0/550 dead transitions. [2021-03-25 18:04:54,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 593 places, 550 transitions, 27046 flow [2021-03-25 18:04:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:54,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:54,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:54,900 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:54,900 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:54,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:54,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:54,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:54,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:54,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:54,901 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:54,901 INFO L185 Difference]: Start difference. First operand has 586 places, 532 transitions, 25395 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:54,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 593 places, 550 transitions, 27046 flow [2021-03-25 18:04:56,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 588 places, 550 transitions, 26628 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-25 18:04:56,170 INFO L241 Difference]: Finished difference. Result has 590 places, 533 transitions, 25467 flow [2021-03-25 18:04:56,171 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=24977, PETRI_DIFFERENCE_MINUEND_PLACES=581, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=204, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=25467, PETRI_PLACES=590, PETRI_TRANSITIONS=533} [2021-03-25 18:04:56,171 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 552 predicate places. [2021-03-25 18:04:56,171 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:56,171 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 590 places, 533 transitions, 25467 flow [2021-03-25 18:04:56,171 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 590 places, 533 transitions, 25467 flow [2021-03-25 18:04:56,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 590 places, 533 transitions, 25467 flow [2021-03-25 18:04:56,722 INFO L129 PetriNetUnfolder]: 204/2940 cut-off events. [2021-03-25 18:04:56,723 INFO L130 PetriNetUnfolder]: For 157343/157689 co-relation queries the response was YES. [2021-03-25 18:04:56,836 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26397 conditions, 2940 events. 204/2940 cut-off events. For 157343/157689 co-relation queries the response was YES. Maximal size of possible extension queue 544. Compared 43246 event pairs, 0 based on Foata normal form. 11/2886 useless extension candidates. Maximal degree in co-relation 26237. Up to 408 conditions per place. [2021-03-25 18:04:56,865 INFO L142 LiptonReduction]: Number of co-enabled transitions 3688 [2021-03-25 18:04:56,907 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:04:56,907 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:04:56,907 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 736 [2021-03-25 18:04:56,907 INFO L480 AbstractCegarLoop]: Abstraction has has 590 places, 533 transitions, 25467 flow [2021-03-25 18:04:56,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:56,907 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:04:56,907 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:04:56,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2021-03-25 18:04:56,908 INFO L428 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:04:56,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:04:56,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1032176724, now seen corresponding path program 138 times [2021-03-25 18:04:56,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:04:56,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376785412] [2021-03-25 18:04:56,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:04:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:04:56,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:56,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:04:56,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:04:56,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:04:56,921 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:04:56,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:04:56,932 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:04:56,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:04:56,948 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:04:56,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:04:56,969 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:04:56,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:04:56,989 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:04:56,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:04:57,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:04:57,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376785412] [2021-03-25 18:04:57,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:04:57,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:04:57,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460208802] [2021-03-25 18:04:57,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:04:57,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:04:57,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:04:57,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:04:57,008 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:04:57,008 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 590 places, 533 transitions, 25467 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:57,008 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:04:57,008 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:04:57,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:04:58,121 INFO L129 PetriNetUnfolder]: 266/3307 cut-off events. [2021-03-25 18:04:58,121 INFO L130 PetriNetUnfolder]: For 177102/177354 co-relation queries the response was YES. [2021-03-25 18:04:58,161 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30863 conditions, 3307 events. 266/3307 cut-off events. For 177102/177354 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 48607 event pairs, 17 based on Foata normal form. 17/3242 useless extension candidates. Maximal degree in co-relation 30702. Up to 615 conditions per place. [2021-03-25 18:04:58,168 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 338 selfloop transitions, 268 changer transitions 2/622 dead transitions. [2021-03-25 18:04:58,168 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 597 places, 622 transitions, 30258 flow [2021-03-25 18:04:58,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:04:58,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:04:58,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:04:58,169 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:04:58,169 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:04:58,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:04:58,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:04:58,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:04:58,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:58,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:58,170 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:04:58,170 INFO L185 Difference]: Start difference. First operand has 590 places, 533 transitions, 25467 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:04:58,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 597 places, 622 transitions, 30258 flow [2021-03-25 18:04:59,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 593 places, 622 transitions, 29775 flow, removed 49 selfloop flow, removed 4 redundant places. [2021-03-25 18:04:59,562 INFO L241 Difference]: Finished difference. Result has 599 places, 562 transitions, 27264 flow [2021-03-25 18:04:59,562 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=25072, PETRI_DIFFERENCE_MINUEND_PLACES=586, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=533, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=239, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=265, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27264, PETRI_PLACES=599, PETRI_TRANSITIONS=562} [2021-03-25 18:04:59,562 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 561 predicate places. [2021-03-25 18:04:59,562 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:04:59,562 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 599 places, 562 transitions, 27264 flow [2021-03-25 18:04:59,562 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 599 places, 562 transitions, 27264 flow [2021-03-25 18:04:59,570 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 598 places, 562 transitions, 27264 flow [2021-03-25 18:05:00,186 INFO L129 PetriNetUnfolder]: 223/3205 cut-off events. [2021-03-25 18:05:00,186 INFO L130 PetriNetUnfolder]: For 181491/181895 co-relation queries the response was YES. [2021-03-25 18:05:00,229 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29202 conditions, 3205 events. 223/3205 cut-off events. For 181491/181895 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47851 event pairs, 0 based on Foata normal form. 9/3134 useless extension candidates. Maximal degree in co-relation 29036. Up to 446 conditions per place. [2021-03-25 18:05:00,264 INFO L142 LiptonReduction]: Number of co-enabled transitions 3956 [2021-03-25 18:05:00,311 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:00,311 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:00,312 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 750 [2021-03-25 18:05:00,312 INFO L480 AbstractCegarLoop]: Abstraction has has 598 places, 562 transitions, 27264 flow [2021-03-25 18:05:00,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:00,312 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:00,312 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:00,312 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2021-03-25 18:05:00,312 INFO L428 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:00,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:00,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1771496192, now seen corresponding path program 139 times [2021-03-25 18:05:00,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:00,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348767824] [2021-03-25 18:05:00,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:00,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:00,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:00,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:00,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:00,333 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:05:00,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:05:00,341 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:00,341 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:00,353 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:05:00,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:05:00,378 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:05:00,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:05:00,397 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:05:00,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:05:00,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:00,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348767824] [2021-03-25 18:05:00,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:00,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:05:00,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153882148] [2021-03-25 18:05:00,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:05:00,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:00,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:05:00,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:05:00,415 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:05:00,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 598 places, 562 transitions, 27264 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:00,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:00,416 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:05:00,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:01,537 INFO L129 PetriNetUnfolder]: 265/3299 cut-off events. [2021-03-25 18:05:01,537 INFO L130 PetriNetUnfolder]: For 190484/190959 co-relation queries the response was YES. [2021-03-25 18:05:01,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31562 conditions, 3299 events. 265/3299 cut-off events. For 190484/190959 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 48556 event pairs, 18 based on Foata normal form. 24/3221 useless extension candidates. Maximal degree in co-relation 31395. Up to 610 conditions per place. [2021-03-25 18:05:01,586 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 345 selfloop transitions, 220 changer transitions 0/579 dead transitions. [2021-03-25 18:05:01,586 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 605 places, 579 transitions, 28952 flow [2021-03-25 18:05:01,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:05:01,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:05:01,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:05:01,587 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:05:01,587 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:05:01,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:05:01,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:01,587 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:05:01,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:01,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:01,588 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:01,588 INFO L185 Difference]: Start difference. First operand has 598 places, 562 transitions, 27264 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:05:01,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 605 places, 579 transitions, 28952 flow [2021-03-25 18:05:03,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 602 places, 579 transitions, 28743 flow, removed 51 selfloop flow, removed 3 redundant places. [2021-03-25 18:05:03,034 INFO L241 Difference]: Finished difference. Result has 603 places, 562 transitions, 27508 flow [2021-03-25 18:05:03,035 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27065, PETRI_DIFFERENCE_MINUEND_PLACES=595, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=220, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27508, PETRI_PLACES=603, PETRI_TRANSITIONS=562} [2021-03-25 18:05:03,035 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 565 predicate places. [2021-03-25 18:05:03,035 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:03,035 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 603 places, 562 transitions, 27508 flow [2021-03-25 18:05:03,035 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 603 places, 562 transitions, 27508 flow [2021-03-25 18:05:03,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 603 places, 562 transitions, 27508 flow [2021-03-25 18:05:03,660 INFO L129 PetriNetUnfolder]: 223/3204 cut-off events. [2021-03-25 18:05:03,660 INFO L130 PetriNetUnfolder]: For 182079/182594 co-relation queries the response was YES. [2021-03-25 18:05:03,697 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29441 conditions, 3204 events. 223/3204 cut-off events. For 182079/182594 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 47875 event pairs, 0 based on Foata normal form. 9/3129 useless extension candidates. Maximal degree in co-relation 29276. Up to 446 conditions per place. [2021-03-25 18:05:03,731 INFO L142 LiptonReduction]: Number of co-enabled transitions 3956 [2021-03-25 18:05:03,778 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:03,779 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:03,779 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 744 [2021-03-25 18:05:03,779 INFO L480 AbstractCegarLoop]: Abstraction has has 603 places, 562 transitions, 27508 flow [2021-03-25 18:05:03,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:03,779 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:03,779 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:03,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2021-03-25 18:05:03,779 INFO L428 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:03,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:03,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1230006316, now seen corresponding path program 140 times [2021-03-25 18:05:03,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:03,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657259291] [2021-03-25 18:05:03,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:03,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:03,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:03,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:03,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:03,790 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:05:03,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:05:03,797 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:03,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:03,807 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:05:03,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:05:03,821 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:05:03,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:05:03,840 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:05:03,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:05:03,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:03,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657259291] [2021-03-25 18:05:03,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:03,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:05:03,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328155954] [2021-03-25 18:05:03,859 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:05:03,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:03,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:05:03,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:05:03,859 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:05:03,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 603 places, 562 transitions, 27508 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:03,860 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:03,860 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:05:03,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:05,058 INFO L129 PetriNetUnfolder]: 265/3298 cut-off events. [2021-03-25 18:05:05,058 INFO L130 PetriNetUnfolder]: For 190841/191338 co-relation queries the response was YES. [2021-03-25 18:05:05,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31810 conditions, 3298 events. 265/3298 cut-off events. For 190841/191338 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 48546 event pairs, 18 based on Foata normal form. 31/3227 useless extension candidates. Maximal degree in co-relation 31644. Up to 610 conditions per place. [2021-03-25 18:05:05,104 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 352 selfloop transitions, 213 changer transitions 0/579 dead transitions. [2021-03-25 18:05:05,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 610 places, 579 transitions, 29194 flow [2021-03-25 18:05:05,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:05:05,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:05:05,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:05:05,105 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:05:05,105 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:05:05,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:05:05,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:05,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:05:05,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:05,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:05,106 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:05,106 INFO L185 Difference]: Start difference. First operand has 603 places, 562 transitions, 27508 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:05:05,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 610 places, 579 transitions, 29194 flow [2021-03-25 18:05:06,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 603 places, 579 transitions, 28673 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-03-25 18:05:06,547 INFO L241 Difference]: Finished difference. Result has 604 places, 562 transitions, 27416 flow [2021-03-25 18:05:06,547 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=26987, PETRI_DIFFERENCE_MINUEND_PLACES=596, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=213, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27416, PETRI_PLACES=604, PETRI_TRANSITIONS=562} [2021-03-25 18:05:06,547 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 566 predicate places. [2021-03-25 18:05:06,547 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:06,547 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 604 places, 562 transitions, 27416 flow [2021-03-25 18:05:06,548 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 604 places, 562 transitions, 27416 flow [2021-03-25 18:05:06,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 604 places, 562 transitions, 27416 flow [2021-03-25 18:05:07,235 INFO L129 PetriNetUnfolder]: 223/3203 cut-off events. [2021-03-25 18:05:07,235 INFO L130 PetriNetUnfolder]: For 186462/186950 co-relation queries the response was YES. [2021-03-25 18:05:07,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29663 conditions, 3203 events. 223/3203 cut-off events. For 186462/186950 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47831 event pairs, 0 based on Foata normal form. 8/3131 useless extension candidates. Maximal degree in co-relation 29497. Up to 446 conditions per place. [2021-03-25 18:05:07,312 INFO L142 LiptonReduction]: Number of co-enabled transitions 3956 [2021-03-25 18:05:07,360 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:07,360 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:07,360 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 813 [2021-03-25 18:05:07,360 INFO L480 AbstractCegarLoop]: Abstraction has has 604 places, 562 transitions, 27416 flow [2021-03-25 18:05:07,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:07,360 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:07,360 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:07,360 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2021-03-25 18:05:07,361 INFO L428 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:07,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:07,361 INFO L82 PathProgramCache]: Analyzing trace with hash 271654616, now seen corresponding path program 141 times [2021-03-25 18:05:07,361 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:07,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223730012] [2021-03-25 18:05:07,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:07,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:07,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:07,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:07,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:07,371 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:05:07,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:05:07,378 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:07,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:07,388 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:05:07,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:05:07,403 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:05:07,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:05:07,422 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:05:07,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:05:07,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:07,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223730012] [2021-03-25 18:05:07,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:07,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:05:07,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085393379] [2021-03-25 18:05:07,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:05:07,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:07,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:05:07,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:05:07,442 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:05:07,442 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 604 places, 562 transitions, 27416 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:07,442 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:07,442 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:05:07,442 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:08,708 INFO L129 PetriNetUnfolder]: 265/3297 cut-off events. [2021-03-25 18:05:08,708 INFO L130 PetriNetUnfolder]: For 195461/195958 co-relation queries the response was YES. [2021-03-25 18:05:08,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32030 conditions, 3297 events. 265/3297 cut-off events. For 195461/195958 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 48510 event pairs, 18 based on Foata normal form. 31/3226 useless extension candidates. Maximal degree in co-relation 31863. Up to 610 conditions per place. [2021-03-25 18:05:08,752 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 352 selfloop transitions, 213 changer transitions 0/579 dead transitions. [2021-03-25 18:05:08,752 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 611 places, 579 transitions, 29110 flow [2021-03-25 18:05:08,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:05:08,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:05:08,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:05:08,753 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:05:08,753 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:05:08,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:05:08,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:08,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:05:08,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:08,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:08,754 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:08,754 INFO L185 Difference]: Start difference. First operand has 604 places, 562 transitions, 27416 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:05:08,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 611 places, 579 transitions, 29110 flow [2021-03-25 18:05:10,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 608 places, 579 transitions, 28799 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 18:05:10,095 INFO L241 Difference]: Finished difference. Result has 610 places, 564 transitions, 27679 flow [2021-03-25 18:05:10,096 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27105, PETRI_DIFFERENCE_MINUEND_PLACES=601, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=349, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27679, PETRI_PLACES=610, PETRI_TRANSITIONS=564} [2021-03-25 18:05:10,096 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 572 predicate places. [2021-03-25 18:05:10,096 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:10,096 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 610 places, 564 transitions, 27679 flow [2021-03-25 18:05:10,096 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 610 places, 564 transitions, 27679 flow [2021-03-25 18:05:10,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 610 places, 564 transitions, 27679 flow [2021-03-25 18:05:10,727 INFO L129 PetriNetUnfolder]: 223/3202 cut-off events. [2021-03-25 18:05:10,727 INFO L130 PetriNetUnfolder]: For 193304/193766 co-relation queries the response was YES. [2021-03-25 18:05:10,764 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30178 conditions, 3202 events. 223/3202 cut-off events. For 193304/193766 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 47784 event pairs, 0 based on Foata normal form. 8/3131 useless extension candidates. Maximal degree in co-relation 30010. Up to 446 conditions per place. [2021-03-25 18:05:10,798 INFO L142 LiptonReduction]: Number of co-enabled transitions 3960 [2021-03-25 18:05:10,846 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:10,847 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:10,847 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 751 [2021-03-25 18:05:10,847 INFO L480 AbstractCegarLoop]: Abstraction has has 610 places, 564 transitions, 27679 flow [2021-03-25 18:05:10,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:10,847 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:10,847 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:10,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2021-03-25 18:05:10,847 INFO L428 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:10,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:10,847 INFO L82 PathProgramCache]: Analyzing trace with hash 405570734, now seen corresponding path program 142 times [2021-03-25 18:05:10,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:10,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803481045] [2021-03-25 18:05:10,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:10,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:10,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:10,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:10,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:10,859 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:05:10,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:05:10,866 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:10,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:10,876 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:05:10,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:05:10,891 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:05:10,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:05:10,911 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:05:10,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:05:10,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:10,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803481045] [2021-03-25 18:05:10,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:10,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:05:10,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250694836] [2021-03-25 18:05:10,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:05:10,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:10,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:05:10,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:05:10,930 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:05:10,930 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 610 places, 564 transitions, 27679 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:10,930 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:10,930 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:05:10,930 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:12,188 INFO L129 PetriNetUnfolder]: 265/3284 cut-off events. [2021-03-25 18:05:12,188 INFO L130 PetriNetUnfolder]: For 203099/203574 co-relation queries the response was YES. [2021-03-25 18:05:12,224 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32531 conditions, 3284 events. 265/3284 cut-off events. For 203099/203574 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 48186 event pairs, 30 based on Foata normal form. 24/3205 useless extension candidates. Maximal degree in co-relation 32362. Up to 610 conditions per place. [2021-03-25 18:05:12,230 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 351 selfloop transitions, 214 changer transitions 0/579 dead transitions. [2021-03-25 18:05:12,231 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 617 places, 579 transitions, 29285 flow [2021-03-25 18:05:12,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:05:12,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:05:12,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:05:12,231 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:05:12,232 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:05:12,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:05:12,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:12,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:05:12,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:12,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:12,232 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:12,232 INFO L185 Difference]: Start difference. First operand has 610 places, 564 transitions, 27679 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:05:12,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 617 places, 579 transitions, 29285 flow [2021-03-25 18:05:13,740 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 613 places, 579 transitions, 28900 flow, removed 10 selfloop flow, removed 4 redundant places. [2021-03-25 18:05:13,758 INFO L241 Difference]: Finished difference. Result has 614 places, 564 transitions, 27725 flow [2021-03-25 18:05:13,758 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27294, PETRI_DIFFERENCE_MINUEND_PLACES=606, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=214, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27725, PETRI_PLACES=614, PETRI_TRANSITIONS=564} [2021-03-25 18:05:13,758 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 576 predicate places. [2021-03-25 18:05:13,758 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:13,758 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 614 places, 564 transitions, 27725 flow [2021-03-25 18:05:13,759 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 614 places, 564 transitions, 27725 flow [2021-03-25 18:05:13,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 614 places, 564 transitions, 27725 flow [2021-03-25 18:05:14,511 INFO L129 PetriNetUnfolder]: 223/3201 cut-off events. [2021-03-25 18:05:14,511 INFO L130 PetriNetUnfolder]: For 197836/198403 co-relation queries the response was YES. [2021-03-25 18:05:14,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30509 conditions, 3201 events. 223/3201 cut-off events. For 197836/198403 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 47821 event pairs, 0 based on Foata normal form. 8/3130 useless extension candidates. Maximal degree in co-relation 30340. Up to 446 conditions per place. [2021-03-25 18:05:14,585 INFO L142 LiptonReduction]: Number of co-enabled transitions 3960 [2021-03-25 18:05:14,633 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:14,633 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:14,633 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 875 [2021-03-25 18:05:14,633 INFO L480 AbstractCegarLoop]: Abstraction has has 614 places, 564 transitions, 27725 flow [2021-03-25 18:05:14,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:14,633 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:14,633 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:14,634 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2021-03-25 18:05:14,634 INFO L428 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:14,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:14,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1131673878, now seen corresponding path program 143 times [2021-03-25 18:05:14,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:14,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170588867] [2021-03-25 18:05:14,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:14,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:14,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:14,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:14,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:14,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:14,645 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:14,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:14,658 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:05:14,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:05:14,678 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:05:14,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:05:14,699 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:05:14,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:05:14,718 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:05:14,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:05:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:14,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170588867] [2021-03-25 18:05:14,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:14,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:05:14,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243913535] [2021-03-25 18:05:14,737 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:05:14,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:14,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:05:14,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:05:14,737 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:05:14,738 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 614 places, 564 transitions, 27725 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:14,738 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:14,738 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:05:14,738 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:15,943 INFO L129 PetriNetUnfolder]: 266/3324 cut-off events. [2021-03-25 18:05:15,943 INFO L130 PetriNetUnfolder]: For 208545/209020 co-relation queries the response was YES. [2021-03-25 18:05:16,086 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33067 conditions, 3324 events. 266/3324 cut-off events. For 208545/209020 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 49074 event pairs, 15 based on Foata normal form. 21/3246 useless extension candidates. Maximal degree in co-relation 32897. Up to 642 conditions per place. [2021-03-25 18:05:16,093 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 317 selfloop transitions, 290 changer transitions 2/623 dead transitions. [2021-03-25 18:05:16,093 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 621 places, 623 transitions, 31236 flow [2021-03-25 18:05:16,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:05:16,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:05:16,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:05:16,094 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:05:16,094 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:05:16,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:05:16,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:16,094 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:05:16,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:16,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:16,095 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:16,095 INFO L185 Difference]: Start difference. First operand has 614 places, 564 transitions, 27725 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:05:16,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 621 places, 623 transitions, 31236 flow [2021-03-25 18:05:17,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 617 places, 623 transitions, 30832 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 18:05:17,522 INFO L241 Difference]: Finished difference. Result has 623 places, 578 transitions, 28963 flow [2021-03-25 18:05:17,523 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27360, PETRI_DIFFERENCE_MINUEND_PLACES=610, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=276, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=28963, PETRI_PLACES=623, PETRI_TRANSITIONS=578} [2021-03-25 18:05:17,523 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 585 predicate places. [2021-03-25 18:05:17,523 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:17,523 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 623 places, 578 transitions, 28963 flow [2021-03-25 18:05:17,523 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 623 places, 578 transitions, 28963 flow [2021-03-25 18:05:17,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 622 places, 578 transitions, 28963 flow [2021-03-25 18:05:18,203 INFO L129 PetriNetUnfolder]: 225/3224 cut-off events. [2021-03-25 18:05:18,204 INFO L130 PetriNetUnfolder]: For 213266/213691 co-relation queries the response was YES. [2021-03-25 18:05:18,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31374 conditions, 3224 events. 225/3224 cut-off events. For 213266/213691 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 48162 event pairs, 0 based on Foata normal form. 11/3160 useless extension candidates. Maximal degree in co-relation 31199. Up to 450 conditions per place. [2021-03-25 18:05:18,279 INFO L142 LiptonReduction]: Number of co-enabled transitions 4068 [2021-03-25 18:05:18,329 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:18,329 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:18,329 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 806 [2021-03-25 18:05:18,330 INFO L480 AbstractCegarLoop]: Abstraction has has 622 places, 578 transitions, 28963 flow [2021-03-25 18:05:18,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:18,330 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:18,330 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:18,330 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2021-03-25 18:05:18,330 INFO L428 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:18,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:18,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1557411738, now seen corresponding path program 144 times [2021-03-25 18:05:18,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:18,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440412566] [2021-03-25 18:05:18,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:18,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:18,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:18,339 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:18,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:18,343 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:18,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:18,356 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:05:18,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:05:18,367 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:05:18,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:05:18,381 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:05:18,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:05:18,401 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:05:18,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:05:18,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:18,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440412566] [2021-03-25 18:05:18,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:18,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:05:18,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699752508] [2021-03-25 18:05:18,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:05:18,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:18,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:05:18,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:05:18,420 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:05:18,420 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 622 places, 578 transitions, 28963 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:18,420 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:18,420 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:05:18,420 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:19,692 INFO L129 PetriNetUnfolder]: 265/3314 cut-off events. [2021-03-25 18:05:19,692 INFO L130 PetriNetUnfolder]: For 223042/223548 co-relation queries the response was YES. [2021-03-25 18:05:19,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33716 conditions, 3314 events. 265/3314 cut-off events. For 223042/223548 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 48816 event pairs, 16 based on Foata normal form. 32/3252 useless extension candidates. Maximal degree in co-relation 33540. Up to 642 conditions per place. [2021-03-25 18:05:19,742 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 343 selfloop transitions, 256 changer transitions 0/613 dead transitions. [2021-03-25 18:05:19,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 629 places, 613 transitions, 31487 flow [2021-03-25 18:05:19,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:05:19,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:05:19,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:05:19,743 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:05:19,743 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:05:19,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:05:19,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:19,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:05:19,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:19,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:19,744 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:19,744 INFO L185 Difference]: Start difference. First operand has 622 places, 578 transitions, 28963 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:05:19,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 629 places, 613 transitions, 31487 flow [2021-03-25 18:05:21,492 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 624 places, 613 transitions, 31118 flow, removed 57 selfloop flow, removed 5 redundant places. [2021-03-25 18:05:21,510 INFO L241 Difference]: Finished difference. Result has 627 places, 589 transitions, 29679 flow [2021-03-25 18:05:21,510 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=28616, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=578, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=245, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=29679, PETRI_PLACES=627, PETRI_TRANSITIONS=589} [2021-03-25 18:05:21,510 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 589 predicate places. [2021-03-25 18:05:21,511 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:21,511 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 627 places, 589 transitions, 29679 flow [2021-03-25 18:05:21,511 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 627 places, 589 transitions, 29679 flow [2021-03-25 18:05:21,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 627 places, 589 transitions, 29679 flow [2021-03-25 18:05:22,216 INFO L129 PetriNetUnfolder]: 225/3223 cut-off events. [2021-03-25 18:05:22,216 INFO L130 PetriNetUnfolder]: For 216023/216511 co-relation queries the response was YES. [2021-03-25 18:05:22,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31510 conditions, 3223 events. 225/3223 cut-off events. For 216023/216511 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 48088 event pairs, 0 based on Foata normal form. 10/3160 useless extension candidates. Maximal degree in co-relation 31334. Up to 450 conditions per place. [2021-03-25 18:05:22,297 INFO L142 LiptonReduction]: Number of co-enabled transitions 4116 [2021-03-25 18:05:22,349 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:22,349 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:22,350 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 839 [2021-03-25 18:05:22,350 INFO L480 AbstractCegarLoop]: Abstraction has has 627 places, 589 transitions, 29679 flow [2021-03-25 18:05:22,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:22,350 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:22,350 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:22,350 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2021-03-25 18:05:22,350 INFO L428 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:22,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:22,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1054613808, now seen corresponding path program 145 times [2021-03-25 18:05:22,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:22,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047145505] [2021-03-25 18:05:22,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:22,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:22,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:22,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:22,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:22,360 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:22,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:22,373 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:05:22,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:05:22,386 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:05:22,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:05:22,401 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:05:22,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:05:22,420 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:05:22,421 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:05:22,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:22,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047145505] [2021-03-25 18:05:22,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:22,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:05:22,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744324596] [2021-03-25 18:05:22,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:05:22,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:22,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:05:22,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:05:22,440 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:05:22,440 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 627 places, 589 transitions, 29679 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:22,440 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:22,440 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:05:22,440 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:23,712 INFO L129 PetriNetUnfolder]: 265/3313 cut-off events. [2021-03-25 18:05:23,712 INFO L130 PetriNetUnfolder]: For 225851/226364 co-relation queries the response was YES. [2021-03-25 18:05:23,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33854 conditions, 3313 events. 265/3313 cut-off events. For 225851/226364 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 48844 event pairs, 16 based on Foata normal form. 34/3245 useless extension candidates. Maximal degree in co-relation 33677. Up to 642 conditions per place. [2021-03-25 18:05:23,765 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 346 selfloop transitions, 253 changer transitions 0/613 dead transitions. [2021-03-25 18:05:23,765 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 634 places, 613 transitions, 31766 flow [2021-03-25 18:05:23,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:05:23,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:05:23,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:05:23,766 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:05:23,766 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:05:23,766 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:05:23,766 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:23,766 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:05:23,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:23,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:23,767 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:23,767 INFO L185 Difference]: Start difference. First operand has 627 places, 589 transitions, 29679 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:05:23,767 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 634 places, 613 transitions, 31766 flow [2021-03-25 18:05:25,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 613 transitions, 31350 flow, removed 24 selfloop flow, removed 2 redundant places. [2021-03-25 18:05:25,342 INFO L241 Difference]: Finished difference. Result has 635 places, 594 transitions, 30040 flow [2021-03-25 18:05:25,343 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29263, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=589, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=248, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30040, PETRI_PLACES=635, PETRI_TRANSITIONS=594} [2021-03-25 18:05:25,343 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 597 predicate places. [2021-03-25 18:05:25,343 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:25,343 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 635 places, 594 transitions, 30040 flow [2021-03-25 18:05:25,343 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 635 places, 594 transitions, 30040 flow [2021-03-25 18:05:25,352 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 635 places, 594 transitions, 30040 flow [2021-03-25 18:05:26,024 INFO L129 PetriNetUnfolder]: 225/3222 cut-off events. [2021-03-25 18:05:26,024 INFO L130 PetriNetUnfolder]: For 222872/223477 co-relation queries the response was YES. [2021-03-25 18:05:26,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31976 conditions, 3222 events. 225/3222 cut-off events. For 222872/223477 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 48170 event pairs, 0 based on Foata normal form. 10/3158 useless extension candidates. Maximal degree in co-relation 31797. Up to 450 conditions per place. [2021-03-25 18:05:26,100 INFO L142 LiptonReduction]: Number of co-enabled transitions 4172 [2021-03-25 18:05:26,153 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:26,153 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:26,153 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 810 [2021-03-25 18:05:26,153 INFO L480 AbstractCegarLoop]: Abstraction has has 635 places, 594 transitions, 30040 flow [2021-03-25 18:05:26,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:26,153 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:26,153 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:26,153 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2021-03-25 18:05:26,153 INFO L428 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:26,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:26,154 INFO L82 PathProgramCache]: Analyzing trace with hash 997720932, now seen corresponding path program 146 times [2021-03-25 18:05:26,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:26,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084138120] [2021-03-25 18:05:26,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:26,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:26,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:26,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:26,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:26,164 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:05:26,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:05:26,174 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:26,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:26,184 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:05:26,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:05:26,198 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:05:26,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:05:26,217 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:05:26,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:05:26,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:26,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084138120] [2021-03-25 18:05:26,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:26,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:05:26,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025727118] [2021-03-25 18:05:26,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:05:26,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:26,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:05:26,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:05:26,237 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:05:26,237 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 635 places, 594 transitions, 30040 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:26,237 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:26,237 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:05:26,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:27,554 INFO L129 PetriNetUnfolder]: 265/3312 cut-off events. [2021-03-25 18:05:27,554 INFO L130 PetriNetUnfolder]: For 232411/232900 co-relation queries the response was YES. [2021-03-25 18:05:27,597 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34324 conditions, 3312 events. 265/3312 cut-off events. For 232411/232900 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 48762 event pairs, 16 based on Foata normal form. 26/3234 useless extension candidates. Maximal degree in co-relation 34144. Up to 611 conditions per place. [2021-03-25 18:05:27,604 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 357 selfloop transitions, 236 changer transitions 0/607 dead transitions. [2021-03-25 18:05:27,604 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 607 transitions, 31668 flow [2021-03-25 18:05:27,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:05:27,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:05:27,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:05:27,605 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:05:27,605 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:05:27,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:05:27,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:27,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:05:27,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:27,606 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:27,606 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:27,606 INFO L185 Difference]: Start difference. First operand has 635 places, 594 transitions, 30040 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:05:27,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 607 transitions, 31668 flow [2021-03-25 18:05:29,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 639 places, 607 transitions, 31137 flow, removed 32 selfloop flow, removed 3 redundant places. [2021-03-25 18:05:29,375 INFO L241 Difference]: Finished difference. Result has 640 places, 594 transitions, 29984 flow [2021-03-25 18:05:29,375 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29509, PETRI_DIFFERENCE_MINUEND_PLACES=632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=236, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=29984, PETRI_PLACES=640, PETRI_TRANSITIONS=594} [2021-03-25 18:05:29,375 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 602 predicate places. [2021-03-25 18:05:29,375 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:29,375 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 640 places, 594 transitions, 29984 flow [2021-03-25 18:05:29,375 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 640 places, 594 transitions, 29984 flow [2021-03-25 18:05:29,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 640 places, 594 transitions, 29984 flow [2021-03-25 18:05:30,137 INFO L129 PetriNetUnfolder]: 225/3221 cut-off events. [2021-03-25 18:05:30,137 INFO L130 PetriNetUnfolder]: For 227598/228101 co-relation queries the response was YES. [2021-03-25 18:05:30,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32295 conditions, 3221 events. 225/3221 cut-off events. For 227598/228101 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 48209 event pairs, 0 based on Foata normal form. 11/3159 useless extension candidates. Maximal degree in co-relation 32115. Up to 450 conditions per place. [2021-03-25 18:05:30,213 INFO L142 LiptonReduction]: Number of co-enabled transitions 4172 [2021-03-25 18:05:30,265 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:30,265 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:30,266 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 891 [2021-03-25 18:05:30,266 INFO L480 AbstractCegarLoop]: Abstraction has has 640 places, 594 transitions, 29984 flow [2021-03-25 18:05:30,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:30,266 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:30,266 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:30,266 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2021-03-25 18:05:30,266 INFO L428 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:30,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:30,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1881379822, now seen corresponding path program 147 times [2021-03-25 18:05:30,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:30,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999720484] [2021-03-25 18:05:30,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:30,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:30,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:30,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:30,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:30,279 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:05:30,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:05:30,287 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:30,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:30,297 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:05:30,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:05:30,312 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:05:30,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:05:30,331 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:05:30,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:05:30,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:30,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999720484] [2021-03-25 18:05:30,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:30,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:05:30,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765994605] [2021-03-25 18:05:30,349 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:05:30,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:30,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:05:30,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:05:30,350 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:05:30,350 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 640 places, 594 transitions, 29984 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:30,350 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:30,350 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:05:30,350 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:31,623 INFO L129 PetriNetUnfolder]: 265/3311 cut-off events. [2021-03-25 18:05:31,624 INFO L130 PetriNetUnfolder]: For 237528/238017 co-relation queries the response was YES. [2021-03-25 18:05:31,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34635 conditions, 3311 events. 265/3311 cut-off events. For 237528/238017 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 48821 event pairs, 16 based on Foata normal form. 26/3233 useless extension candidates. Maximal degree in co-relation 34454. Up to 611 conditions per place. [2021-03-25 18:05:31,674 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 346 selfloop transitions, 247 changer transitions 0/607 dead transitions. [2021-03-25 18:05:31,674 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 607 transitions, 31620 flow [2021-03-25 18:05:31,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:05:31,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:05:31,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:05:31,675 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:05:31,675 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:05:31,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:05:31,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:31,675 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:05:31,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:31,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:31,676 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:31,676 INFO L185 Difference]: Start difference. First operand has 640 places, 594 transitions, 29984 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:05:31,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 607 transitions, 31620 flow [2021-03-25 18:05:33,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 642 places, 607 transitions, 31169 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-25 18:05:33,352 INFO L241 Difference]: Finished difference. Result has 643 places, 594 transitions, 30030 flow [2021-03-25 18:05:33,352 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29533, PETRI_DIFFERENCE_MINUEND_PLACES=635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=247, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30030, PETRI_PLACES=643, PETRI_TRANSITIONS=594} [2021-03-25 18:05:33,352 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 605 predicate places. [2021-03-25 18:05:33,352 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:33,353 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 643 places, 594 transitions, 30030 flow [2021-03-25 18:05:33,353 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 643 places, 594 transitions, 30030 flow [2021-03-25 18:05:33,361 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 643 places, 594 transitions, 30030 flow [2021-03-25 18:05:34,035 INFO L129 PetriNetUnfolder]: 225/3220 cut-off events. [2021-03-25 18:05:34,035 INFO L130 PetriNetUnfolder]: For 234059/234573 co-relation queries the response was YES. [2021-03-25 18:05:34,075 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32606 conditions, 3220 events. 225/3220 cut-off events. For 234059/234573 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 48123 event pairs, 0 based on Foata normal form. 10/3157 useless extension candidates. Maximal degree in co-relation 32425. Up to 450 conditions per place. [2021-03-25 18:05:34,112 INFO L142 LiptonReduction]: Number of co-enabled transitions 4172 [2021-03-25 18:05:34,162 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:34,162 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:34,162 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 810 [2021-03-25 18:05:34,163 INFO L480 AbstractCegarLoop]: Abstraction has has 643 places, 594 transitions, 30030 flow [2021-03-25 18:05:34,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:34,163 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:34,163 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:34,163 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2021-03-25 18:05:34,163 INFO L428 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:34,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:34,163 INFO L82 PathProgramCache]: Analyzing trace with hash -789112250, now seen corresponding path program 148 times [2021-03-25 18:05:34,163 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:34,163 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527287998] [2021-03-25 18:05:34,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:34,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:34,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:34,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:34,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:34,174 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:34,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:34,187 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:05:34,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:05:34,204 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:05:34,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:05:34,224 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:05:34,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:05:34,244 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:05:34,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:05:34,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:34,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527287998] [2021-03-25 18:05:34,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:34,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:05:34,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861918928] [2021-03-25 18:05:34,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:05:34,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:34,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:05:34,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:05:34,263 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:05:34,264 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 643 places, 594 transitions, 30030 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:34,264 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:34,264 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:05:34,264 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:35,536 INFO L129 PetriNetUnfolder]: 265/3298 cut-off events. [2021-03-25 18:05:35,536 INFO L130 PetriNetUnfolder]: For 244857/245370 co-relation queries the response was YES. [2021-03-25 18:05:35,581 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34932 conditions, 3298 events. 265/3298 cut-off events. For 244857/245370 co-relation queries the response was YES. Maximal size of possible extension queue 591. Compared 48472 event pairs, 20 based on Foata normal form. 29/3224 useless extension candidates. Maximal degree in co-relation 34750. Up to 642 conditions per place. [2021-03-25 18:05:35,588 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 334 selfloop transitions, 280 changer transitions 2/630 dead transitions. [2021-03-25 18:05:35,588 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 650 places, 630 transitions, 32693 flow [2021-03-25 18:05:35,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:05:35,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:05:35,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:05:35,589 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:05:35,589 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:05:35,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:05:35,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:35,590 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:05:35,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:35,590 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:35,590 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:35,590 INFO L185 Difference]: Start difference. First operand has 643 places, 594 transitions, 30030 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:05:35,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 650 places, 630 transitions, 32693 flow [2021-03-25 18:05:37,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 646 places, 630 transitions, 32269 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 18:05:37,322 INFO L241 Difference]: Finished difference. Result has 651 places, 601 transitions, 30657 flow [2021-03-25 18:05:37,322 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=29623, PETRI_DIFFERENCE_MINUEND_PLACES=639, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=594, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=273, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=314, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30657, PETRI_PLACES=651, PETRI_TRANSITIONS=601} [2021-03-25 18:05:37,322 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 613 predicate places. [2021-03-25 18:05:37,322 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:37,323 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 651 places, 601 transitions, 30657 flow [2021-03-25 18:05:37,323 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 651 places, 601 transitions, 30657 flow [2021-03-25 18:05:37,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 650 places, 601 transitions, 30657 flow [2021-03-25 18:05:38,127 INFO L129 PetriNetUnfolder]: 224/3210 cut-off events. [2021-03-25 18:05:38,127 INFO L130 PetriNetUnfolder]: For 245267/245800 co-relation queries the response was YES. [2021-03-25 18:05:38,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33050 conditions, 3210 events. 224/3210 cut-off events. For 245267/245800 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47954 event pairs, 0 based on Foata normal form. 8/3145 useless extension candidates. Maximal degree in co-relation 32864. Up to 448 conditions per place. [2021-03-25 18:05:38,202 INFO L142 LiptonReduction]: Number of co-enabled transitions 4220 [2021-03-25 18:05:38,252 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:38,252 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:38,252 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 930 [2021-03-25 18:05:38,252 INFO L480 AbstractCegarLoop]: Abstraction has has 650 places, 601 transitions, 30657 flow [2021-03-25 18:05:38,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:38,253 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:38,253 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:38,253 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2021-03-25 18:05:38,253 INFO L428 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:38,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:38,253 INFO L82 PathProgramCache]: Analyzing trace with hash 550977936, now seen corresponding path program 149 times [2021-03-25 18:05:38,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:38,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990971166] [2021-03-25 18:05:38,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:38,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:38,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:38,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:38,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:38,263 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:05:38,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:05:38,270 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:38,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:38,281 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:05:38,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:05:38,296 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:05:38,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:05:38,315 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:05:38,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:05:38,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:38,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990971166] [2021-03-25 18:05:38,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:38,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:05:38,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654066942] [2021-03-25 18:05:38,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:05:38,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:38,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:05:38,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:05:38,335 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:05:38,335 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 650 places, 601 transitions, 30657 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:38,335 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:38,335 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:05:38,335 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:39,633 INFO L129 PetriNetUnfolder]: 264/3288 cut-off events. [2021-03-25 18:05:39,633 INFO L130 PetriNetUnfolder]: For 256916/257429 co-relation queries the response was YES. [2021-03-25 18:05:39,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35386 conditions, 3288 events. 264/3288 cut-off events. For 256916/257429 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 48293 event pairs, 28 based on Foata normal form. 35/3219 useless extension candidates. Maximal degree in co-relation 35199. Up to 611 conditions per place. [2021-03-25 18:05:39,686 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 345 selfloop transitions, 255 changer transitions 0/614 dead transitions. [2021-03-25 18:05:39,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 657 places, 614 transitions, 32325 flow [2021-03-25 18:05:39,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:05:39,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:05:39,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:05:39,687 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:05:39,687 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:05:39,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:05:39,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:39,687 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:05:39,688 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:39,688 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:39,688 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:39,688 INFO L185 Difference]: Start difference. First operand has 650 places, 601 transitions, 30657 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:05:39,688 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 657 places, 614 transitions, 32325 flow [2021-03-25 18:05:41,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 652 places, 614 transitions, 31833 flow, removed 25 selfloop flow, removed 5 redundant places. [2021-03-25 18:05:41,905 INFO L241 Difference]: Finished difference. Result has 654 places, 602 transitions, 30822 flow [2021-03-25 18:05:41,905 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30175, PETRI_DIFFERENCE_MINUEND_PLACES=645, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=601, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=254, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=346, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30822, PETRI_PLACES=654, PETRI_TRANSITIONS=602} [2021-03-25 18:05:41,906 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 616 predicate places. [2021-03-25 18:05:41,906 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:41,906 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 654 places, 602 transitions, 30822 flow [2021-03-25 18:05:41,906 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 654 places, 602 transitions, 30822 flow [2021-03-25 18:05:41,917 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 654 places, 602 transitions, 30822 flow [2021-03-25 18:05:42,714 INFO L129 PetriNetUnfolder]: 224/3209 cut-off events. [2021-03-25 18:05:42,714 INFO L130 PetriNetUnfolder]: For 244915/245524 co-relation queries the response was YES. [2021-03-25 18:05:42,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33101 conditions, 3209 events. 224/3209 cut-off events. For 244915/245524 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47897 event pairs, 0 based on Foata normal form. 7/3142 useless extension candidates. Maximal degree in co-relation 32915. Up to 448 conditions per place. [2021-03-25 18:05:42,789 INFO L142 LiptonReduction]: Number of co-enabled transitions 4222 [2021-03-25 18:05:42,843 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:42,843 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:42,843 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 937 [2021-03-25 18:05:42,843 INFO L480 AbstractCegarLoop]: Abstraction has has 654 places, 602 transitions, 30822 flow [2021-03-25 18:05:42,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:42,843 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:42,843 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:42,844 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2021-03-25 18:05:42,844 INFO L428 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:42,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:42,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1610121208, now seen corresponding path program 150 times [2021-03-25 18:05:42,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:42,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119534385] [2021-03-25 18:05:42,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:42,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:42,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:42,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:42,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:42,856 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:05:42,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:05:42,864 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:42,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:42,876 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:05:42,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:05:42,892 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:05:42,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:05:42,915 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:05:42,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:05:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:42,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119534385] [2021-03-25 18:05:42,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:42,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:05:42,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744482437] [2021-03-25 18:05:42,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:05:42,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:42,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:05:42,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:05:42,935 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:05:42,935 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 602 transitions, 30822 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:42,935 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:42,935 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:05:42,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:44,206 INFO L129 PetriNetUnfolder]: 264/3299 cut-off events. [2021-03-25 18:05:44,207 INFO L130 PetriNetUnfolder]: For 255531/256044 co-relation queries the response was YES. [2021-03-25 18:05:44,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35445 conditions, 3299 events. 264/3299 cut-off events. For 255531/256044 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48517 event pairs, 16 based on Foata normal form. 35/3231 useless extension candidates. Maximal degree in co-relation 35258. Up to 611 conditions per place. [2021-03-25 18:05:44,258 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 345 selfloop transitions, 255 changer transitions 0/614 dead transitions. [2021-03-25 18:05:44,259 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 661 places, 614 transitions, 32430 flow [2021-03-25 18:05:44,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:05:44,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:05:44,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:05:44,260 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:05:44,260 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:05:44,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:05:44,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:44,260 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:05:44,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:44,260 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:44,260 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:44,260 INFO L185 Difference]: Start difference. First operand has 654 places, 602 transitions, 30822 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:05:44,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 661 places, 614 transitions, 32430 flow [2021-03-25 18:05:46,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 657 places, 614 transitions, 31984 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-03-25 18:05:46,159 INFO L241 Difference]: Finished difference. Result has 658 places, 602 transitions, 30889 flow [2021-03-25 18:05:46,159 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30376, PETRI_DIFFERENCE_MINUEND_PLACES=650, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=255, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30889, PETRI_PLACES=658, PETRI_TRANSITIONS=602} [2021-03-25 18:05:46,159 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 620 predicate places. [2021-03-25 18:05:46,159 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:46,160 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 602 transitions, 30889 flow [2021-03-25 18:05:46,160 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 602 transitions, 30889 flow [2021-03-25 18:05:46,171 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 658 places, 602 transitions, 30889 flow [2021-03-25 18:05:46,881 INFO L129 PetriNetUnfolder]: 224/3208 cut-off events. [2021-03-25 18:05:46,881 INFO L130 PetriNetUnfolder]: For 250621/251213 co-relation queries the response was YES. [2021-03-25 18:05:46,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33423 conditions, 3208 events. 224/3208 cut-off events. For 250621/251213 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47912 event pairs, 0 based on Foata normal form. 9/3143 useless extension candidates. Maximal degree in co-relation 33236. Up to 448 conditions per place. [2021-03-25 18:05:46,961 INFO L142 LiptonReduction]: Number of co-enabled transitions 4222 [2021-03-25 18:05:47,016 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:47,016 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:47,016 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 857 [2021-03-25 18:05:47,016 INFO L480 AbstractCegarLoop]: Abstraction has has 658 places, 602 transitions, 30889 flow [2021-03-25 18:05:47,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:47,016 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:47,017 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:47,017 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2021-03-25 18:05:47,017 INFO L428 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:47,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:47,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1987246676, now seen corresponding path program 151 times [2021-03-25 18:05:47,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:47,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50890590] [2021-03-25 18:05:47,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:47,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:47,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:47,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:47,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:47,028 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:05:47,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:05:47,035 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:47,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:47,045 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:05:47,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:05:47,059 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:05:47,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:05:47,078 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:05:47,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:05:47,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:47,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50890590] [2021-03-25 18:05:47,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:47,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:05:47,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606479308] [2021-03-25 18:05:47,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:05:47,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:47,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:05:47,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:05:47,098 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:05:47,099 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 658 places, 602 transitions, 30889 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:47,099 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:47,099 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:05:47,099 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:48,504 INFO L129 PetriNetUnfolder]: 264/3298 cut-off events. [2021-03-25 18:05:48,505 INFO L130 PetriNetUnfolder]: For 261565/262076 co-relation queries the response was YES. [2021-03-25 18:05:48,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35765 conditions, 3298 events. 264/3298 cut-off events. For 261565/262076 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48496 event pairs, 16 based on Foata normal form. 35/3230 useless extension candidates. Maximal degree in co-relation 35577. Up to 611 conditions per place. [2021-03-25 18:05:48,553 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 349 selfloop transitions, 251 changer transitions 0/614 dead transitions. [2021-03-25 18:05:48,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 614 transitions, 32505 flow [2021-03-25 18:05:48,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:05:48,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:05:48,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:05:48,555 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:05:48,555 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:05:48,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:05:48,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:48,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:05:48,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:48,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:48,556 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:48,556 INFO L185 Difference]: Start difference. First operand has 658 places, 602 transitions, 30889 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:05:48,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 614 transitions, 32505 flow [2021-03-25 18:05:50,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 614 transitions, 32180 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 18:05:50,372 INFO L241 Difference]: Finished difference. Result has 663 places, 602 transitions, 31069 flow [2021-03-25 18:05:50,372 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30564, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=251, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31069, PETRI_PLACES=663, PETRI_TRANSITIONS=602} [2021-03-25 18:05:50,372 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 625 predicate places. [2021-03-25 18:05:50,372 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:50,372 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 663 places, 602 transitions, 31069 flow [2021-03-25 18:05:50,372 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 663 places, 602 transitions, 31069 flow [2021-03-25 18:05:50,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 663 places, 602 transitions, 31069 flow [2021-03-25 18:05:51,090 INFO L129 PetriNetUnfolder]: 224/3207 cut-off events. [2021-03-25 18:05:51,090 INFO L130 PetriNetUnfolder]: For 258714/259275 co-relation queries the response was YES. [2021-03-25 18:05:51,132 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33888 conditions, 3207 events. 224/3207 cut-off events. For 258714/259275 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47847 event pairs, 0 based on Foata normal form. 8/3142 useless extension candidates. Maximal degree in co-relation 33700. Up to 448 conditions per place. [2021-03-25 18:05:51,170 INFO L142 LiptonReduction]: Number of co-enabled transitions 4222 [2021-03-25 18:05:51,225 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:51,225 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:51,225 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 853 [2021-03-25 18:05:51,225 INFO L480 AbstractCegarLoop]: Abstraction has has 663 places, 602 transitions, 31069 flow [2021-03-25 18:05:51,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:51,225 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:51,225 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:51,225 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2021-03-25 18:05:51,225 INFO L428 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:51,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:51,226 INFO L82 PathProgramCache]: Analyzing trace with hash -152298350, now seen corresponding path program 152 times [2021-03-25 18:05:51,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:51,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866100025] [2021-03-25 18:05:51,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:51,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:51,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:51,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:51,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:51,236 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:05:51,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:05:51,243 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:51,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:51,253 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:05:51,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:05:51,279 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:05:51,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:05:51,298 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:05:51,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:05:51,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:51,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866100025] [2021-03-25 18:05:51,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:51,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:05:51,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232570256] [2021-03-25 18:05:51,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:05:51,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:51,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:05:51,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:05:51,318 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:05:51,318 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 663 places, 602 transitions, 31069 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:51,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:51,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:05:51,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:52,646 INFO L129 PetriNetUnfolder]: 264/3297 cut-off events. [2021-03-25 18:05:52,646 INFO L130 PetriNetUnfolder]: For 269954/270441 co-relation queries the response was YES. [2021-03-25 18:05:52,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36228 conditions, 3297 events. 264/3297 cut-off events. For 269954/270441 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48500 event pairs, 16 based on Foata normal form. 26/3220 useless extension candidates. Maximal degree in co-relation 36039. Up to 611 conditions per place. [2021-03-25 18:05:52,697 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 349 selfloop transitions, 251 changer transitions 0/614 dead transitions. [2021-03-25 18:05:52,697 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 670 places, 614 transitions, 32693 flow [2021-03-25 18:05:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:05:52,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:05:52,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:05:52,698 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:05:52,698 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:05:52,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:05:52,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:52,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:05:52,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:52,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:52,699 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:52,699 INFO L185 Difference]: Start difference. First operand has 663 places, 602 transitions, 31069 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:05:52,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 670 places, 614 transitions, 32693 flow [2021-03-25 18:05:54,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 665 places, 614 transitions, 32209 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-25 18:05:54,610 INFO L241 Difference]: Finished difference. Result has 666 places, 602 transitions, 31090 flow [2021-03-25 18:05:54,610 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30585, PETRI_DIFFERENCE_MINUEND_PLACES=658, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=251, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=351, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31090, PETRI_PLACES=666, PETRI_TRANSITIONS=602} [2021-03-25 18:05:54,610 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 628 predicate places. [2021-03-25 18:05:54,610 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:54,611 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 666 places, 602 transitions, 31090 flow [2021-03-25 18:05:54,611 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 666 places, 602 transitions, 31090 flow [2021-03-25 18:05:54,619 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 666 places, 602 transitions, 31090 flow [2021-03-25 18:05:55,313 INFO L129 PetriNetUnfolder]: 224/3206 cut-off events. [2021-03-25 18:05:55,314 INFO L130 PetriNetUnfolder]: For 266039/266645 co-relation queries the response was YES. [2021-03-25 18:05:55,355 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34193 conditions, 3206 events. 224/3206 cut-off events. For 266039/266645 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47874 event pairs, 0 based on Foata normal form. 8/3139 useless extension candidates. Maximal degree in co-relation 34004. Up to 448 conditions per place. [2021-03-25 18:05:55,393 INFO L142 LiptonReduction]: Number of co-enabled transitions 4222 [2021-03-25 18:05:55,446 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:55,447 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:55,447 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 837 [2021-03-25 18:05:55,447 INFO L480 AbstractCegarLoop]: Abstraction has has 666 places, 602 transitions, 31090 flow [2021-03-25 18:05:55,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:55,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:55,447 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:55,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2021-03-25 18:05:55,447 INFO L428 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:55,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:55,448 INFO L82 PathProgramCache]: Analyzing trace with hash -822436972, now seen corresponding path program 153 times [2021-03-25 18:05:55,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:55,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568492204] [2021-03-25 18:05:55,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:55,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:55,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:55,455 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:55,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:55,459 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:05:55,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:05:55,466 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:55,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:55,476 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:05:55,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:05:55,495 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:05:55,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:05:55,523 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:05:55,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:05:55,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:05:55,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568492204] [2021-03-25 18:05:55,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:05:55,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:05:55,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676467097] [2021-03-25 18:05:55,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:05:55,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:05:55,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:05:55,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:05:55,550 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:05:55,550 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 666 places, 602 transitions, 31090 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:55,550 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:05:55,550 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:05:55,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:05:56,979 INFO L129 PetriNetUnfolder]: 264/3296 cut-off events. [2021-03-25 18:05:56,980 INFO L130 PetriNetUnfolder]: For 277429/277916 co-relation queries the response was YES. [2021-03-25 18:05:57,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36531 conditions, 3296 events. 264/3296 cut-off events. For 277429/277916 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48494 event pairs, 16 based on Foata normal form. 26/3219 useless extension candidates. Maximal degree in co-relation 36341. Up to 611 conditions per place. [2021-03-25 18:05:57,030 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 365 selfloop transitions, 235 changer transitions 0/614 dead transitions. [2021-03-25 18:05:57,030 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 673 places, 614 transitions, 32722 flow [2021-03-25 18:05:57,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:05:57,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:05:57,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:05:57,031 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:05:57,031 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:05:57,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:05:57,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:05:57,031 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:05:57,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:57,032 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:57,032 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:57,032 INFO L185 Difference]: Start difference. First operand has 666 places, 602 transitions, 31090 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:05:57,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 673 places, 614 transitions, 32722 flow [2021-03-25 18:05:59,038 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 668 places, 614 transitions, 32238 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-25 18:05:59,055 INFO L241 Difference]: Finished difference. Result has 670 places, 604 transitions, 31245 flow [2021-03-25 18:05:59,055 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30606, PETRI_DIFFERENCE_MINUEND_PLACES=661, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=602, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=233, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=367, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31245, PETRI_PLACES=670, PETRI_TRANSITIONS=604} [2021-03-25 18:05:59,055 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 632 predicate places. [2021-03-25 18:05:59,055 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:05:59,055 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 670 places, 604 transitions, 31245 flow [2021-03-25 18:05:59,056 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 670 places, 604 transitions, 31245 flow [2021-03-25 18:05:59,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 670 places, 604 transitions, 31245 flow [2021-03-25 18:05:59,785 INFO L129 PetriNetUnfolder]: 224/3205 cut-off events. [2021-03-25 18:05:59,785 INFO L130 PetriNetUnfolder]: For 275978/276636 co-relation queries the response was YES. [2021-03-25 18:05:59,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34601 conditions, 3205 events. 224/3205 cut-off events. For 275978/276636 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47907 event pairs, 0 based on Foata normal form. 7/3137 useless extension candidates. Maximal degree in co-relation 34410. Up to 448 conditions per place. [2021-03-25 18:05:59,863 INFO L142 LiptonReduction]: Number of co-enabled transitions 4226 [2021-03-25 18:05:59,917 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:05:59,917 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:05:59,917 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 862 [2021-03-25 18:05:59,918 INFO L480 AbstractCegarLoop]: Abstraction has has 670 places, 604 transitions, 31245 flow [2021-03-25 18:05:59,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:05:59,918 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:05:59,918 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:05:59,918 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2021-03-25 18:05:59,918 INFO L428 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:05:59,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:05:59,918 INFO L82 PathProgramCache]: Analyzing trace with hash 843741566, now seen corresponding path program 154 times [2021-03-25 18:05:59,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:05:59,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514671356] [2021-03-25 18:05:59,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:05:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:05:59,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:59,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:05:59,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:05:59,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:05:59,931 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:05:59,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:05:59,944 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:05:59,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:05:59,954 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:05:59,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:05:59,969 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:05:59,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:05:59,990 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:05:59,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:06:00,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:06:00,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514671356] [2021-03-25 18:06:00,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:06:00,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:06:00,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522343162] [2021-03-25 18:06:00,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:06:00,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:06:00,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:06:00,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:06:00,009 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:06:00,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 670 places, 604 transitions, 31245 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:00,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:06:00,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:06:00,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:06:01,334 INFO L129 PetriNetUnfolder]: 264/3295 cut-off events. [2021-03-25 18:06:01,334 INFO L130 PetriNetUnfolder]: For 288453/289069 co-relation queries the response was YES. [2021-03-25 18:06:01,378 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36937 conditions, 3295 events. 264/3295 cut-off events. For 288453/289069 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48428 event pairs, 17 based on Foata normal form. 38/3233 useless extension candidates. Maximal degree in co-relation 36745. Up to 642 conditions per place. [2021-03-25 18:06:01,386 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 351 selfloop transitions, 254 changer transitions 0/619 dead transitions. [2021-03-25 18:06:01,386 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 677 places, 619 transitions, 33001 flow [2021-03-25 18:06:01,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:06:01,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:06:01,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:06:01,387 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:06:01,387 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:06:01,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:06:01,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:06:01,387 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:06:01,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:01,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:01,387 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:01,388 INFO L185 Difference]: Start difference. First operand has 670 places, 604 transitions, 31245 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:06:01,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 677 places, 619 transitions, 33001 flow [2021-03-25 18:06:03,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 619 transitions, 32619 flow, removed 29 selfloop flow, removed 3 redundant places. [2021-03-25 18:06:03,702 INFO L241 Difference]: Finished difference. Result has 675 places, 604 transitions, 31394 flow [2021-03-25 18:06:03,703 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30883, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=254, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31394, PETRI_PLACES=675, PETRI_TRANSITIONS=604} [2021-03-25 18:06:03,703 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 637 predicate places. [2021-03-25 18:06:03,703 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:06:03,703 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 604 transitions, 31394 flow [2021-03-25 18:06:03,703 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 604 transitions, 31394 flow [2021-03-25 18:06:03,711 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 675 places, 604 transitions, 31394 flow [2021-03-25 18:06:04,431 INFO L129 PetriNetUnfolder]: 224/3204 cut-off events. [2021-03-25 18:06:04,432 INFO L130 PetriNetUnfolder]: For 281093/281667 co-relation queries the response was YES. [2021-03-25 18:06:04,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34861 conditions, 3204 events. 224/3204 cut-off events. For 281093/281667 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47793 event pairs, 0 based on Foata normal form. 10/3142 useless extension candidates. Maximal degree in co-relation 34669. Up to 448 conditions per place. [2021-03-25 18:06:04,511 INFO L142 LiptonReduction]: Number of co-enabled transitions 4226 [2021-03-25 18:06:04,564 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:06:04,565 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:06:04,565 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 862 [2021-03-25 18:06:04,565 INFO L480 AbstractCegarLoop]: Abstraction has has 675 places, 604 transitions, 31394 flow [2021-03-25 18:06:04,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:04,565 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:06:04,565 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:06:04,565 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2021-03-25 18:06:04,565 INFO L428 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:06:04,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:06:04,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1887388230, now seen corresponding path program 155 times [2021-03-25 18:06:04,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:06:04,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031781709] [2021-03-25 18:06:04,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:06:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:06:04,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:04,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:06:04,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:04,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:06:04,581 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:06:04,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:06:04,590 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:06:04,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:06:04,603 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:06:04,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:06:04,620 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:06:04,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:06:04,643 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:06:04,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:06:04,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:06:04,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031781709] [2021-03-25 18:06:04,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:06:04,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:06:04,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147133547] [2021-03-25 18:06:04,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:06:04,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:06:04,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:06:04,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:06:04,668 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:06:04,668 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 675 places, 604 transitions, 31394 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:04,668 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:06:04,668 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:06:04,668 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:06:06,031 INFO L129 PetriNetUnfolder]: 264/3294 cut-off events. [2021-03-25 18:06:06,032 INFO L130 PetriNetUnfolder]: For 293610/294231 co-relation queries the response was YES. [2021-03-25 18:06:06,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37201 conditions, 3294 events. 264/3294 cut-off events. For 293610/294231 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48419 event pairs, 16 based on Foata normal form. 38/3230 useless extension candidates. Maximal degree in co-relation 37008. Up to 611 conditions per place. [2021-03-25 18:06:06,085 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 362 selfloop transitions, 238 changer transitions 0/614 dead transitions. [2021-03-25 18:06:06,085 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 614 transitions, 32946 flow [2021-03-25 18:06:06,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:06:06,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:06:06,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:06:06,086 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:06:06,086 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:06:06,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:06:06,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:06:06,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:06:06,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:06,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:06,087 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:06,087 INFO L185 Difference]: Start difference. First operand has 675 places, 604 transitions, 31394 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:06:06,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 682 places, 614 transitions, 32946 flow [2021-03-25 18:06:08,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 678 places, 614 transitions, 32457 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 18:06:08,477 INFO L241 Difference]: Finished difference. Result has 679 places, 604 transitions, 31384 flow [2021-03-25 18:06:08,477 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30905, PETRI_DIFFERENCE_MINUEND_PLACES=671, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=238, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31384, PETRI_PLACES=679, PETRI_TRANSITIONS=604} [2021-03-25 18:06:08,477 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 641 predicate places. [2021-03-25 18:06:08,477 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:06:08,477 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 679 places, 604 transitions, 31384 flow [2021-03-25 18:06:08,478 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 679 places, 604 transitions, 31384 flow [2021-03-25 18:06:08,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 679 places, 604 transitions, 31384 flow [2021-03-25 18:06:09,280 INFO L129 PetriNetUnfolder]: 224/3203 cut-off events. [2021-03-25 18:06:09,280 INFO L130 PetriNetUnfolder]: For 288713/289301 co-relation queries the response was YES. [2021-03-25 18:06:09,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35196 conditions, 3203 events. 224/3203 cut-off events. For 288713/289301 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47833 event pairs, 0 based on Foata normal form. 8/3138 useless extension candidates. Maximal degree in co-relation 35003. Up to 448 conditions per place. [2021-03-25 18:06:09,357 INFO L142 LiptonReduction]: Number of co-enabled transitions 4226 [2021-03-25 18:06:09,407 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:06:09,408 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:06:09,408 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 931 [2021-03-25 18:06:09,408 INFO L480 AbstractCegarLoop]: Abstraction has has 679 places, 604 transitions, 31384 flow [2021-03-25 18:06:09,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:09,408 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:06:09,408 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:06:09,408 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2021-03-25 18:06:09,408 INFO L428 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:06:09,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:06:09,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1533206484, now seen corresponding path program 156 times [2021-03-25 18:06:09,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:06:09,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394301098] [2021-03-25 18:06:09,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:06:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:06:09,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:09,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:06:09,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:09,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:06:09,429 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:06:09,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:06:09,439 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:06:09,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:06:09,449 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:06:09,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:06:09,463 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:06:09,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:06:09,482 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:06:09,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:06:09,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:06:09,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394301098] [2021-03-25 18:06:09,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:06:09,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:06:09,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458296594] [2021-03-25 18:06:09,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:06:09,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:06:09,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:06:09,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:06:09,501 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:06:09,501 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 679 places, 604 transitions, 31384 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:09,501 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:06:09,501 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:06:09,501 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:06:10,829 INFO L129 PetriNetUnfolder]: 264/3293 cut-off events. [2021-03-25 18:06:10,829 INFO L130 PetriNetUnfolder]: For 301179/301772 co-relation queries the response was YES. [2021-03-25 18:06:10,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37528 conditions, 3293 events. 264/3293 cut-off events. For 301179/301772 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48394 event pairs, 16 based on Foata normal form. 29/3227 useless extension candidates. Maximal degree in co-relation 37334. Up to 611 conditions per place. [2021-03-25 18:06:10,882 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 362 selfloop transitions, 238 changer transitions 0/614 dead transitions. [2021-03-25 18:06:10,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 686 places, 614 transitions, 32944 flow [2021-03-25 18:06:10,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:06:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:06:10,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:06:10,883 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:06:10,883 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:06:10,883 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:06:10,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:06:10,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:06:10,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:10,884 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:10,884 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:10,884 INFO L185 Difference]: Start difference. First operand has 679 places, 604 transitions, 31384 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:06:10,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 686 places, 614 transitions, 32944 flow [2021-03-25 18:06:13,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 682 places, 614 transitions, 32553 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 18:06:13,444 INFO L241 Difference]: Finished difference. Result has 683 places, 604 transitions, 31472 flow [2021-03-25 18:06:13,444 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30993, PETRI_DIFFERENCE_MINUEND_PLACES=675, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=238, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31472, PETRI_PLACES=683, PETRI_TRANSITIONS=604} [2021-03-25 18:06:13,444 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 645 predicate places. [2021-03-25 18:06:13,445 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:06:13,445 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 683 places, 604 transitions, 31472 flow [2021-03-25 18:06:13,445 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 683 places, 604 transitions, 31472 flow [2021-03-25 18:06:13,456 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 683 places, 604 transitions, 31472 flow [2021-03-25 18:06:14,351 INFO L129 PetriNetUnfolder]: 224/3202 cut-off events. [2021-03-25 18:06:14,351 INFO L130 PetriNetUnfolder]: For 297270/297949 co-relation queries the response was YES. [2021-03-25 18:06:14,389 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35577 conditions, 3202 events. 224/3202 cut-off events. For 297270/297949 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47757 event pairs, 0 based on Foata normal form. 10/3139 useless extension candidates. Maximal degree in co-relation 35383. Up to 448 conditions per place. [2021-03-25 18:06:14,423 INFO L142 LiptonReduction]: Number of co-enabled transitions 4226 [2021-03-25 18:06:14,475 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:06:14,475 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:06:14,475 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1030 [2021-03-25 18:06:14,475 INFO L480 AbstractCegarLoop]: Abstraction has has 683 places, 604 transitions, 31472 flow [2021-03-25 18:06:14,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:14,476 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:06:14,476 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:06:14,476 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-03-25 18:06:14,476 INFO L428 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:06:14,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:06:14,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1640453678, now seen corresponding path program 157 times [2021-03-25 18:06:14,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:06:14,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490532343] [2021-03-25 18:06:14,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:06:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:06:14,485 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:14,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:06:14,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:14,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:06:14,490 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:06:14,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:06:14,504 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:06:14,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:06:14,514 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:06:14,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:06:14,530 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:06:14,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:06:14,549 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:06:14,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:06:14,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:06:14,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490532343] [2021-03-25 18:06:14,568 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:06:14,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:06:14,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659978100] [2021-03-25 18:06:14,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:06:14,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:06:14,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:06:14,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:06:14,568 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:06:14,568 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 683 places, 604 transitions, 31472 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:14,569 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:06:14,569 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:06:14,569 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:06:15,908 INFO L129 PetriNetUnfolder]: 264/3292 cut-off events. [2021-03-25 18:06:15,908 INFO L130 PetriNetUnfolder]: For 310018/310613 co-relation queries the response was YES. [2021-03-25 18:06:15,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37907 conditions, 3292 events. 264/3292 cut-off events. For 310018/310613 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48431 event pairs, 16 based on Foata normal form. 33/3225 useless extension candidates. Maximal degree in co-relation 37712. Up to 642 conditions per place. [2021-03-25 18:06:15,962 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 343 selfloop transitions, 262 changer transitions 0/619 dead transitions. [2021-03-25 18:06:15,962 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 690 places, 619 transitions, 33241 flow [2021-03-25 18:06:15,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:06:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:06:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:06:15,963 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:06:15,963 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:06:15,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:06:15,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:06:15,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:06:15,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:15,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:15,964 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:15,964 INFO L185 Difference]: Start difference. First operand has 683 places, 604 transitions, 31472 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:06:15,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 690 places, 619 transitions, 33241 flow [2021-03-25 18:06:18,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 687 places, 619 transitions, 32916 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 18:06:18,215 INFO L241 Difference]: Finished difference. Result has 689 places, 605 transitions, 31752 flow [2021-03-25 18:06:18,215 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31147, PETRI_DIFFERENCE_MINUEND_PLACES=680, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=604, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=261, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31752, PETRI_PLACES=689, PETRI_TRANSITIONS=605} [2021-03-25 18:06:18,215 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 651 predicate places. [2021-03-25 18:06:18,215 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:06:18,215 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 689 places, 605 transitions, 31752 flow [2021-03-25 18:06:18,216 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 689 places, 605 transitions, 31752 flow [2021-03-25 18:06:18,224 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 689 places, 605 transitions, 31752 flow [2021-03-25 18:06:18,948 INFO L129 PetriNetUnfolder]: 224/3201 cut-off events. [2021-03-25 18:06:18,949 INFO L130 PetriNetUnfolder]: For 307424/307967 co-relation queries the response was YES. [2021-03-25 18:06:18,992 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36030 conditions, 3201 events. 224/3201 cut-off events. For 307424/307967 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47772 event pairs, 0 based on Foata normal form. 8/3134 useless extension candidates. Maximal degree in co-relation 35834. Up to 448 conditions per place. [2021-03-25 18:06:19,029 INFO L142 LiptonReduction]: Number of co-enabled transitions 4240 [2021-03-25 18:06:19,084 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:06:19,084 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:06:19,084 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 869 [2021-03-25 18:06:19,084 INFO L480 AbstractCegarLoop]: Abstraction has has 689 places, 605 transitions, 31752 flow [2021-03-25 18:06:19,084 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:19,084 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:06:19,084 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:06:19,085 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2021-03-25 18:06:19,085 INFO L428 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:06:19,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:06:19,085 INFO L82 PathProgramCache]: Analyzing trace with hash 731374018, now seen corresponding path program 158 times [2021-03-25 18:06:19,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:06:19,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605228106] [2021-03-25 18:06:19,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:06:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:06:19,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:19,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:06:19,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:19,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:06:19,098 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:06:19,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:06:19,111 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:06:19,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:06:19,122 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:06:19,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:06:19,136 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:06:19,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:06:19,155 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:06:19,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:06:19,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:06:19,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605228106] [2021-03-25 18:06:19,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:06:19,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:06:19,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774724709] [2021-03-25 18:06:19,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:06:19,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:06:19,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:06:19,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:06:19,175 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:06:19,175 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 689 places, 605 transitions, 31752 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:19,175 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:06:19,175 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:06:19,175 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:06:20,456 INFO L129 PetriNetUnfolder]: 264/3279 cut-off events. [2021-03-25 18:06:20,456 INFO L130 PetriNetUnfolder]: For 321233/321852 co-relation queries the response was YES. [2021-03-25 18:06:20,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38352 conditions, 3279 events. 264/3279 cut-off events. For 321233/321852 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 48171 event pairs, 21 based on Foata normal form. 38/3216 useless extension candidates. Maximal degree in co-relation 38155. Up to 642 conditions per place. [2021-03-25 18:06:20,508 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 347 selfloop transitions, 258 changer transitions 0/619 dead transitions. [2021-03-25 18:06:20,508 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 696 places, 619 transitions, 33474 flow [2021-03-25 18:06:20,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:06:20,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:06:20,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:06:20,509 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:06:20,509 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:06:20,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:06:20,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:06:20,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:06:20,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:20,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:20,510 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:20,510 INFO L185 Difference]: Start difference. First operand has 689 places, 605 transitions, 31752 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:06:20,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 696 places, 619 transitions, 33474 flow [2021-03-25 18:06:22,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 692 places, 619 transitions, 32960 flow, removed 9 selfloop flow, removed 4 redundant places. [2021-03-25 18:06:22,801 INFO L241 Difference]: Finished difference. Result has 694 places, 607 transitions, 31872 flow [2021-03-25 18:06:22,801 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31238, PETRI_DIFFERENCE_MINUEND_PLACES=685, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=605, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=256, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31872, PETRI_PLACES=694, PETRI_TRANSITIONS=607} [2021-03-25 18:06:22,801 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 656 predicate places. [2021-03-25 18:06:22,801 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:06:22,801 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 694 places, 607 transitions, 31872 flow [2021-03-25 18:06:22,802 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 694 places, 607 transitions, 31872 flow [2021-03-25 18:06:22,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 694 places, 607 transitions, 31872 flow [2021-03-25 18:06:23,542 INFO L129 PetriNetUnfolder]: 224/3200 cut-off events. [2021-03-25 18:06:23,543 INFO L130 PetriNetUnfolder]: For 316602/317167 co-relation queries the response was YES. [2021-03-25 18:06:23,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36357 conditions, 3200 events. 224/3200 cut-off events. For 316602/317167 co-relation queries the response was YES. Maximal size of possible extension queue 589. Compared 47732 event pairs, 0 based on Foata normal form. 10/3136 useless extension candidates. Maximal degree in co-relation 36159. Up to 448 conditions per place. [2021-03-25 18:06:23,624 INFO L142 LiptonReduction]: Number of co-enabled transitions 4268 [2021-03-25 18:06:23,680 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:06:23,680 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:06:23,680 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 879 [2021-03-25 18:06:23,680 INFO L480 AbstractCegarLoop]: Abstraction has has 694 places, 607 transitions, 31872 flow [2021-03-25 18:06:23,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:23,680 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:06:23,680 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:06:23,680 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2021-03-25 18:06:23,681 INFO L428 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:06:23,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:06:23,681 INFO L82 PathProgramCache]: Analyzing trace with hash -2138594276, now seen corresponding path program 159 times [2021-03-25 18:06:23,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:06:23,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643033369] [2021-03-25 18:06:23,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:06:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:06:23,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:23,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:06:23,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:23,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:06:23,691 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:06:23,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:06:23,698 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:06:23,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:06:23,708 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:06:23,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:06:23,722 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:06:23,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:06:23,740 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:06:23,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:06:23,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:06:23,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643033369] [2021-03-25 18:06:23,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:06:23,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:06:23,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691775190] [2021-03-25 18:06:23,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:06:23,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:06:23,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:06:23,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:06:23,759 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:06:23,760 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 694 places, 607 transitions, 31872 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:23,760 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:06:23,760 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:06:23,760 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:06:25,170 INFO L129 PetriNetUnfolder]: 264/3290 cut-off events. [2021-03-25 18:06:25,171 INFO L130 PetriNetUnfolder]: For 331314/332033 co-relation queries the response was YES. [2021-03-25 18:06:25,216 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38689 conditions, 3290 events. 264/3290 cut-off events. For 331314/332033 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48320 event pairs, 16 based on Foata normal form. 40/3236 useless extension candidates. Maximal degree in co-relation 38490. Up to 611 conditions per place. [2021-03-25 18:06:25,223 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 364 selfloop transitions, 239 changer transitions 0/617 dead transitions. [2021-03-25 18:06:25,223 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 701 places, 617 transitions, 33462 flow [2021-03-25 18:06:25,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:06:25,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:06:25,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:06:25,224 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:06:25,225 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:06:25,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:06:25,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:06:25,225 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:06:25,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:25,225 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:25,226 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:25,226 INFO L185 Difference]: Start difference. First operand has 694 places, 607 transitions, 31872 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:06:25,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 701 places, 617 transitions, 33462 flow [2021-03-25 18:06:27,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 698 places, 617 transitions, 32970 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-03-25 18:06:27,547 INFO L241 Difference]: Finished difference. Result has 699 places, 607 transitions, 31861 flow [2021-03-25 18:06:27,548 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31380, PETRI_DIFFERENCE_MINUEND_PLACES=691, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=239, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=368, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31861, PETRI_PLACES=699, PETRI_TRANSITIONS=607} [2021-03-25 18:06:27,548 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 661 predicate places. [2021-03-25 18:06:27,548 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:06:27,548 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 699 places, 607 transitions, 31861 flow [2021-03-25 18:06:27,548 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 699 places, 607 transitions, 31861 flow [2021-03-25 18:06:27,557 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 699 places, 607 transitions, 31861 flow [2021-03-25 18:06:28,303 INFO L129 PetriNetUnfolder]: 224/3199 cut-off events. [2021-03-25 18:06:28,304 INFO L130 PetriNetUnfolder]: For 325340/325943 co-relation queries the response was YES. [2021-03-25 18:06:28,347 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36670 conditions, 3199 events. 224/3199 cut-off events. For 325340/325943 co-relation queries the response was YES. Maximal size of possible extension queue 598. Compared 47771 event pairs, 0 based on Foata normal form. 8/3133 useless extension candidates. Maximal degree in co-relation 36471. Up to 448 conditions per place. [2021-03-25 18:06:28,385 INFO L142 LiptonReduction]: Number of co-enabled transitions 4268 [2021-03-25 18:06:28,440 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:06:28,440 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:06:28,440 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 892 [2021-03-25 18:06:28,440 INFO L480 AbstractCegarLoop]: Abstraction has has 699 places, 607 transitions, 31861 flow [2021-03-25 18:06:28,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:28,440 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:06:28,440 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:06:28,440 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2021-03-25 18:06:28,440 INFO L428 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:06:28,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:06:28,441 INFO L82 PathProgramCache]: Analyzing trace with hash -615590052, now seen corresponding path program 160 times [2021-03-25 18:06:28,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:06:28,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163220753] [2021-03-25 18:06:28,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:06:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:06:28,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:28,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:06:28,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:28,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:06:28,454 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:06:28,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:06:28,462 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:06:28,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:06:28,474 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:06:28,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:06:28,491 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:06:28,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:06:28,513 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:06:28,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:06:28,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:06:28,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163220753] [2021-03-25 18:06:28,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:06:28,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:06:28,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013408908] [2021-03-25 18:06:28,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:06:28,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:06:28,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:06:28,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:06:28,536 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:06:28,536 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 699 places, 607 transitions, 31861 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:28,536 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:06:28,536 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:06:28,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:06:29,990 INFO L129 PetriNetUnfolder]: 264/3289 cut-off events. [2021-03-25 18:06:29,990 INFO L130 PetriNetUnfolder]: For 339704/340445 co-relation queries the response was YES. [2021-03-25 18:06:30,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38994 conditions, 3289 events. 264/3289 cut-off events. For 339704/340445 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48339 event pairs, 16 based on Foata normal form. 40/3228 useless extension candidates. Maximal degree in co-relation 38794. Up to 611 conditions per place. [2021-03-25 18:06:30,040 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 365 selfloop transitions, 238 changer transitions 0/617 dead transitions. [2021-03-25 18:06:30,040 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 706 places, 617 transitions, 33459 flow [2021-03-25 18:06:30,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:06:30,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:06:30,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:06:30,041 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:06:30,041 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:06:30,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:06:30,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:06:30,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:06:30,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:30,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:30,043 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:30,044 INFO L185 Difference]: Start difference. First operand has 699 places, 607 transitions, 31861 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:06:30,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 706 places, 617 transitions, 33459 flow [2021-03-25 18:06:32,179 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 701 places, 617 transitions, 33007 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-25 18:06:32,198 INFO L241 Difference]: Finished difference. Result has 702 places, 607 transitions, 31888 flow [2021-03-25 18:06:32,199 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31409, PETRI_DIFFERENCE_MINUEND_PLACES=694, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=238, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=31888, PETRI_PLACES=702, PETRI_TRANSITIONS=607} [2021-03-25 18:06:32,199 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 664 predicate places. [2021-03-25 18:06:32,199 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:06:32,199 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 702 places, 607 transitions, 31888 flow [2021-03-25 18:06:32,199 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 702 places, 607 transitions, 31888 flow [2021-03-25 18:06:32,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 702 places, 607 transitions, 31888 flow [2021-03-25 18:06:32,934 INFO L129 PetriNetUnfolder]: 224/3198 cut-off events. [2021-03-25 18:06:32,934 INFO L130 PetriNetUnfolder]: For 334618/335336 co-relation queries the response was YES. [2021-03-25 18:06:32,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36960 conditions, 3198 events. 224/3198 cut-off events. For 334618/335336 co-relation queries the response was YES. Maximal size of possible extension queue 588. Compared 47757 event pairs, 0 based on Foata normal form. 10/3135 useless extension candidates. Maximal degree in co-relation 36760. Up to 448 conditions per place. [2021-03-25 18:06:33,014 INFO L142 LiptonReduction]: Number of co-enabled transitions 4268 [2021-03-25 18:06:33,068 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:06:33,069 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:06:33,069 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 870 [2021-03-25 18:06:33,069 INFO L480 AbstractCegarLoop]: Abstraction has has 702 places, 607 transitions, 31888 flow [2021-03-25 18:06:33,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:33,069 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:06:33,069 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:06:33,069 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2021-03-25 18:06:33,069 INFO L428 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:06:33,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:06:33,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1360292550, now seen corresponding path program 161 times [2021-03-25 18:06:33,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:06:33,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794123755] [2021-03-25 18:06:33,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:06:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:06:33,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:33,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:06:33,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:33,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:06:33,080 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-25 18:06:33,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 18:06:33,086 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:06:33,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:06:33,097 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:06:33,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:06:33,111 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:06:33,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:06:33,130 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:06:33,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:06:33,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:06:33,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794123755] [2021-03-25 18:06:33,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:06:33,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:06:33,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644735677] [2021-03-25 18:06:33,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:06:33,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:06:33,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:06:33,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:06:33,149 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:06:33,150 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 607 transitions, 31888 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:33,150 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:06:33,150 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:06:33,150 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:06:34,643 INFO L129 PetriNetUnfolder]: 264/3288 cut-off events. [2021-03-25 18:06:34,643 INFO L130 PetriNetUnfolder]: For 349100/349817 co-relation queries the response was YES. [2021-03-25 18:06:34,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39282 conditions, 3288 events. 264/3288 cut-off events. For 349100/349817 co-relation queries the response was YES. Maximal size of possible extension queue 590. Compared 48319 event pairs, 16 based on Foata normal form. 31/3217 useless extension candidates. Maximal degree in co-relation 39081. Up to 611 conditions per place. [2021-03-25 18:06:34,691 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 347 selfloop transitions, 211 changer transitions 45/617 dead transitions. [2021-03-25 18:06:34,691 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 709 places, 617 transitions, 33494 flow [2021-03-25 18:06:34,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:06:34,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:06:34,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:06:34,692 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:06:34,692 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:06:34,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:06:34,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:06:34,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:06:34,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:34,693 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:34,693 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:34,693 INFO L185 Difference]: Start difference. First operand has 702 places, 607 transitions, 31888 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:06:34,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 709 places, 617 transitions, 33494 flow [2021-03-25 18:06:36,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 705 places, 617 transitions, 33100 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 18:06:36,910 INFO L241 Difference]: Finished difference. Result has 706 places, 562 transitions, 28456 flow [2021-03-25 18:06:36,911 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=31494, PETRI_DIFFERENCE_MINUEND_PLACES=698, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=607, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=211, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=28456, PETRI_PLACES=706, PETRI_TRANSITIONS=562} [2021-03-25 18:06:36,911 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 668 predicate places. [2021-03-25 18:06:36,911 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:06:36,911 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 706 places, 562 transitions, 28456 flow [2021-03-25 18:06:36,911 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 706 places, 562 transitions, 28456 flow [2021-03-25 18:06:36,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 658 places, 562 transitions, 28456 flow [2021-03-25 18:06:37,608 INFO L129 PetriNetUnfolder]: 223/3043 cut-off events. [2021-03-25 18:06:37,608 INFO L130 PetriNetUnfolder]: For 323471/324031 co-relation queries the response was YES. [2021-03-25 18:06:37,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34658 conditions, 3043 events. 223/3043 cut-off events. For 323471/324031 co-relation queries the response was YES. Maximal size of possible extension queue 555. Compared 44804 event pairs, 0 based on Foata normal form. 4/2984 useless extension candidates. Maximal degree in co-relation 34457. Up to 446 conditions per place. [2021-03-25 18:06:37,686 INFO L142 LiptonReduction]: Number of co-enabled transitions 3774 [2021-03-25 18:06:37,734 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:06:37,735 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:06:37,735 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 824 [2021-03-25 18:06:37,735 INFO L480 AbstractCegarLoop]: Abstraction has has 658 places, 562 transitions, 28456 flow [2021-03-25 18:06:37,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:37,735 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:06:37,735 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:06:37,735 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2021-03-25 18:06:37,735 INFO L428 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:06:37,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:06:37,736 INFO L82 PathProgramCache]: Analyzing trace with hash 2013043110, now seen corresponding path program 162 times [2021-03-25 18:06:37,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:06:37,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306700769] [2021-03-25 18:06:37,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:06:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:06:37,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:37,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:06:37,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:37,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:06:37,746 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:06:37,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:06:37,759 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-25 18:06:37,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 18:06:37,785 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:06:37,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:06:37,804 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:06:37,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:06:37,833 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:06:37,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:06:37,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:06:37,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306700769] [2021-03-25 18:06:37,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:06:37,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:06:37,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543902206] [2021-03-25 18:06:37,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:06:37,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:06:37,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:06:37,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:06:37,858 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:06:37,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 658 places, 562 transitions, 28456 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:37,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:06:37,858 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:06:37,858 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:06:39,128 INFO L129 PetriNetUnfolder]: 263/3121 cut-off events. [2021-03-25 18:06:39,128 INFO L130 PetriNetUnfolder]: For 338502/338832 co-relation queries the response was YES. [2021-03-25 18:06:39,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36901 conditions, 3121 events. 263/3121 cut-off events. For 338502/338832 co-relation queries the response was YES. Maximal size of possible extension queue 554. Compared 45145 event pairs, 21 based on Foata normal form. 27/3066 useless extension candidates. Maximal degree in co-relation 36699. Up to 626 conditions per place. [2021-03-25 18:06:39,178 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 310 selfloop transitions, 239 changer transitions 11/574 dead transitions. [2021-03-25 18:06:39,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 574 transitions, 30032 flow [2021-03-25 18:06:39,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:06:39,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:06:39,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:06:39,179 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:06:39,180 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:06:39,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:06:39,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:06:39,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:06:39,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:39,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:39,180 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:39,180 INFO L185 Difference]: Start difference. First operand has 658 places, 562 transitions, 28456 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:06:39,180 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 574 transitions, 30032 flow [2021-03-25 18:06:40,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 629 places, 574 transitions, 29235 flow, removed 258 selfloop flow, removed 36 redundant places. [2021-03-25 18:06:40,932 INFO L241 Difference]: Finished difference. Result has 630 places, 551 transitions, 27647 flow [2021-03-25 18:06:40,933 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27859, PETRI_DIFFERENCE_MINUEND_PLACES=622, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=239, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=323, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27647, PETRI_PLACES=630, PETRI_TRANSITIONS=551} [2021-03-25 18:06:40,933 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 592 predicate places. [2021-03-25 18:06:40,933 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:06:40,933 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 630 places, 551 transitions, 27647 flow [2021-03-25 18:06:40,933 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 630 places, 551 transitions, 27647 flow [2021-03-25 18:06:40,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 624 places, 551 transitions, 27647 flow [2021-03-25 18:06:41,509 INFO L129 PetriNetUnfolder]: 222/3005 cut-off events. [2021-03-25 18:06:41,509 INFO L130 PetriNetUnfolder]: For 163026/163584 co-relation queries the response was YES. [2021-03-25 18:06:41,545 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27006 conditions, 3005 events. 222/3005 cut-off events. For 163026/163584 co-relation queries the response was YES. Maximal size of possible extension queue 548. Compared 44034 event pairs, 0 based on Foata normal form. 7/2955 useless extension candidates. Maximal degree in co-relation 26837. Up to 444 conditions per place. [2021-03-25 18:06:41,578 INFO L142 LiptonReduction]: Number of co-enabled transitions 3642 [2021-03-25 18:06:41,623 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:06:41,623 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:06:41,623 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 690 [2021-03-25 18:06:41,623 INFO L480 AbstractCegarLoop]: Abstraction has has 624 places, 551 transitions, 27647 flow [2021-03-25 18:06:41,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:41,623 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:06:41,624 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:06:41,624 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2021-03-25 18:06:41,624 INFO L428 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:06:41,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:06:41,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1859515920, now seen corresponding path program 163 times [2021-03-25 18:06:41,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:06:41,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715927047] [2021-03-25 18:06:41,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:06:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:06:41,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:41,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:06:41,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:41,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:06:41,634 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:06:41,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:06:41,647 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:06:41,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:06:41,663 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:06:41,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:06:41,677 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:06:41,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:06:41,696 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:06:41,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:06:41,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:06:41,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715927047] [2021-03-25 18:06:41,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:06:41,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:06:41,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16764976] [2021-03-25 18:06:41,715 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:06:41,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:06:41,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:06:41,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:06:41,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:06:41,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 624 places, 551 transitions, 27647 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:41,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:06:41,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:06:41,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:06:42,810 INFO L129 PetriNetUnfolder]: 262/3095 cut-off events. [2021-03-25 18:06:42,810 INFO L130 PetriNetUnfolder]: For 168661/168727 co-relation queries the response was YES. [2021-03-25 18:06:42,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29246 conditions, 3095 events. 262/3095 cut-off events. For 168661/168727 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 44624 event pairs, 15 based on Foata normal form. 12/3054 useless extension candidates. Maximal degree in co-relation 29076. Up to 626 conditions per place. [2021-03-25 18:06:42,861 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 303 selfloop transitions, 253 changer transitions 0/570 dead transitions. [2021-03-25 18:06:42,861 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 631 places, 570 transitions, 29357 flow [2021-03-25 18:06:42,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:06:42,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:06:42,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:06:42,862 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:06:42,862 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:06:42,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:06:42,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:06:42,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:06:42,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:42,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:42,863 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:42,863 INFO L185 Difference]: Start difference. First operand has 624 places, 551 transitions, 27647 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:06:42,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 631 places, 570 transitions, 29357 flow [2021-03-25 18:06:44,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 616 places, 570 transitions, 28791 flow, removed 31 selfloop flow, removed 15 redundant places. [2021-03-25 18:06:44,193 INFO L241 Difference]: Finished difference. Result has 619 places, 557 transitions, 27998 flow [2021-03-25 18:06:44,193 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27141, PETRI_DIFFERENCE_MINUEND_PLACES=609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=551, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=247, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=27998, PETRI_PLACES=619, PETRI_TRANSITIONS=557} [2021-03-25 18:06:44,193 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 581 predicate places. [2021-03-25 18:06:44,193 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:06:44,193 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 619 places, 557 transitions, 27998 flow [2021-03-25 18:06:44,194 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 619 places, 557 transitions, 27998 flow [2021-03-25 18:06:44,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 619 places, 557 transitions, 27998 flow [2021-03-25 18:06:44,843 INFO L129 PetriNetUnfolder]: 222/3004 cut-off events. [2021-03-25 18:06:44,843 INFO L130 PetriNetUnfolder]: For 152190/152711 co-relation queries the response was YES. [2021-03-25 18:06:44,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 25504 conditions, 3004 events. 222/3004 cut-off events. For 152190/152711 co-relation queries the response was YES. Maximal size of possible extension queue 552. Compared 43929 event pairs, 0 based on Foata normal form. 7/2954 useless extension candidates. Maximal degree in co-relation 25342. Up to 444 conditions per place. [2021-03-25 18:06:44,901 INFO L142 LiptonReduction]: Number of co-enabled transitions 3670 [2021-03-25 18:06:44,945 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:06:44,945 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:06:44,945 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 752 [2021-03-25 18:06:44,946 INFO L480 AbstractCegarLoop]: Abstraction has has 619 places, 557 transitions, 27998 flow [2021-03-25 18:06:44,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:44,946 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:06:44,946 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:06:44,946 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2021-03-25 18:06:44,946 INFO L428 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:06:44,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:06:44,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1671105896, now seen corresponding path program 164 times [2021-03-25 18:06:44,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:06:44,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032937744] [2021-03-25 18:06:44,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:06:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:06:44,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:44,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:06:44,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:44,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:06:44,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:44,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:06:44,963 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:06:44,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:06:44,981 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:06:44,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:06:45,002 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:06:45,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:06:45,022 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:06:45,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:06:45,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:06:45,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032937744] [2021-03-25 18:06:45,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:06:45,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:06:45,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302709326] [2021-03-25 18:06:45,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:06:45,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:06:45,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:06:45,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:06:45,041 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:06:45,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 619 places, 557 transitions, 27998 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:45,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:06:45,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:06:45,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:06:46,300 INFO L129 PetriNetUnfolder]: 292/3581 cut-off events. [2021-03-25 18:06:46,300 INFO L130 PetriNetUnfolder]: For 178610/178676 co-relation queries the response was YES. [2021-03-25 18:06:46,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31497 conditions, 3581 events. 292/3581 cut-off events. For 178610/178676 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 53215 event pairs, 7 based on Foata normal form. 1/3521 useless extension candidates. Maximal degree in co-relation 31334. Up to 634 conditions per place. [2021-03-25 18:06:46,351 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 423 selfloop transitions, 255 changer transitions 2/694 dead transitions. [2021-03-25 18:06:46,351 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 626 places, 694 transitions, 35266 flow [2021-03-25 18:06:46,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:06:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:06:46,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:06:46,352 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:06:46,352 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:06:46,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:06:46,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:06:46,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:06:46,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:46,353 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:46,353 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:46,353 INFO L185 Difference]: Start difference. First operand has 619 places, 557 transitions, 27998 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:06:46,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 626 places, 694 transitions, 35266 flow [2021-03-25 18:06:47,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 623 places, 694 transitions, 34686 flow, removed 13 selfloop flow, removed 3 redundant places. [2021-03-25 18:06:47,816 INFO L241 Difference]: Finished difference. Result has 629 places, 596 transitions, 30364 flow [2021-03-25 18:06:47,816 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=27513, PETRI_DIFFERENCE_MINUEND_PLACES=616, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=557, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=216, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30364, PETRI_PLACES=629, PETRI_TRANSITIONS=596} [2021-03-25 18:06:47,816 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 591 predicate places. [2021-03-25 18:06:47,816 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:06:47,816 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 629 places, 596 transitions, 30364 flow [2021-03-25 18:06:47,817 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 629 places, 596 transitions, 30364 flow [2021-03-25 18:06:47,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 628 places, 596 transitions, 30364 flow [2021-03-25 18:06:48,553 INFO L129 PetriNetUnfolder]: 260/3509 cut-off events. [2021-03-25 18:06:48,553 INFO L130 PetriNetUnfolder]: For 184199/184476 co-relation queries the response was YES. [2021-03-25 18:06:48,595 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30003 conditions, 3509 events. 260/3509 cut-off events. For 184199/184476 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 52749 event pairs, 0 based on Foata normal form. 15/3461 useless extension candidates. Maximal degree in co-relation 29835. Up to 520 conditions per place. [2021-03-25 18:06:48,633 INFO L142 LiptonReduction]: Number of co-enabled transitions 3896 [2021-03-25 18:06:48,687 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:06:48,687 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:06:48,688 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 872 [2021-03-25 18:06:48,688 INFO L480 AbstractCegarLoop]: Abstraction has has 628 places, 596 transitions, 30364 flow [2021-03-25 18:06:48,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:48,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:06:48,688 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:06:48,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2021-03-25 18:06:48,688 INFO L428 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:06:48,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:06:48,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1907288762, now seen corresponding path program 165 times [2021-03-25 18:06:48,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:06:48,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660180111] [2021-03-25 18:06:48,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:06:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:06:48,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:48,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:06:48,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:48,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:06:48,699 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:06:48,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:06:48,712 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:06:48,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:06:48,728 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:06:48,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:06:48,749 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:06:48,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:06:48,768 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:06:48,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:06:48,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:06:48,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660180111] [2021-03-25 18:06:48,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:06:48,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:06:48,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797705857] [2021-03-25 18:06:48,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:06:48,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:06:48,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:06:48,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:06:48,787 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:06:48,788 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 596 transitions, 30364 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:48,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:06:48,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:06:48,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:06:50,131 INFO L129 PetriNetUnfolder]: 291/3571 cut-off events. [2021-03-25 18:06:50,132 INFO L130 PetriNetUnfolder]: For 188739/188823 co-relation queries the response was YES. [2021-03-25 18:06:50,174 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32169 conditions, 3571 events. 291/3571 cut-off events. For 188739/188823 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 53115 event pairs, 20 based on Foata normal form. 10/3525 useless extension candidates. Maximal degree in co-relation 32000. Up to 692 conditions per place. [2021-03-25 18:06:50,181 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 305 selfloop transitions, 289 changer transitions 3/611 dead transitions. [2021-03-25 18:06:50,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 635 places, 611 transitions, 31921 flow [2021-03-25 18:06:50,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:06:50,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:06:50,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:06:50,182 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:06:50,182 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:06:50,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:06:50,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:06:50,182 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:06:50,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:50,183 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:50,183 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:50,183 INFO L185 Difference]: Start difference. First operand has 628 places, 596 transitions, 30364 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:06:50,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 635 places, 611 transitions, 31921 flow [2021-03-25 18:06:51,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 611 transitions, 31813 flow, removed 15 selfloop flow, removed 3 redundant places. [2021-03-25 18:06:51,676 INFO L241 Difference]: Finished difference. Result has 635 places, 595 transitions, 30846 flow [2021-03-25 18:06:51,676 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30272, PETRI_DIFFERENCE_MINUEND_PLACES=625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=596, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=289, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=30846, PETRI_PLACES=635, PETRI_TRANSITIONS=595} [2021-03-25 18:06:51,676 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 597 predicate places. [2021-03-25 18:06:51,677 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:06:51,677 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 635 places, 595 transitions, 30846 flow [2021-03-25 18:06:51,677 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 635 places, 595 transitions, 30846 flow [2021-03-25 18:06:51,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 634 places, 595 transitions, 30846 flow [2021-03-25 18:06:52,393 INFO L129 PetriNetUnfolder]: 259/3498 cut-off events. [2021-03-25 18:06:52,393 INFO L130 PetriNetUnfolder]: For 187111/187428 co-relation queries the response was YES. [2021-03-25 18:06:52,434 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30283 conditions, 3498 events. 259/3498 cut-off events. For 187111/187428 co-relation queries the response was YES. Maximal size of possible extension queue 639. Compared 52508 event pairs, 0 based on Foata normal form. 14/3452 useless extension candidates. Maximal degree in co-relation 30114. Up to 518 conditions per place. [2021-03-25 18:06:52,472 INFO L142 LiptonReduction]: Number of co-enabled transitions 3892 [2021-03-25 18:06:52,524 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:06:52,524 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:06:52,524 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 847 [2021-03-25 18:06:52,524 INFO L480 AbstractCegarLoop]: Abstraction has has 634 places, 595 transitions, 30846 flow [2021-03-25 18:06:52,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:52,524 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:06:52,524 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:06:52,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2021-03-25 18:06:52,525 INFO L428 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:06:52,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:06:52,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1122740500, now seen corresponding path program 166 times [2021-03-25 18:06:52,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:06:52,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959724396] [2021-03-25 18:06:52,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:06:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:06:52,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:52,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:06:52,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:52,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:06:52,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:52,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:06:52,559 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:06:52,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:06:52,585 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:06:52,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:06:52,607 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:06:52,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:06:52,627 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:06:52,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:06:52,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:06:52,647 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959724396] [2021-03-25 18:06:52,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:06:52,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:06:52,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498149637] [2021-03-25 18:06:52,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:06:52,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:06:52,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:06:52,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:06:52,648 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:06:52,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 634 places, 595 transitions, 30846 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:52,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:06:52,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:06:52,648 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:06:54,132 INFO L129 PetriNetUnfolder]: 297/3697 cut-off events. [2021-03-25 18:06:54,133 INFO L130 PetriNetUnfolder]: For 197728/197816 co-relation queries the response was YES. [2021-03-25 18:06:54,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33435 conditions, 3697 events. 297/3697 cut-off events. For 197728/197816 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55430 event pairs, 14 based on Foata normal form. 8/3647 useless extension candidates. Maximal degree in co-relation 33265. Up to 689 conditions per place. [2021-03-25 18:06:54,179 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 420 selfloop transitions, 257 changer transitions 2/693 dead transitions. [2021-03-25 18:06:54,179 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 641 places, 693 transitions, 36350 flow [2021-03-25 18:06:54,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:06:54,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:06:54,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:06:54,180 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:06:54,180 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:06:54,180 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:06:54,180 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:06:54,180 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:06:54,181 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:54,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:54,181 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:54,181 INFO L185 Difference]: Start difference. First operand has 634 places, 595 transitions, 30846 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:06:54,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 641 places, 693 transitions, 36350 flow [2021-03-25 18:06:55,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 635 places, 693 transitions, 35712 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-25 18:06:55,833 INFO L241 Difference]: Finished difference. Result has 641 places, 622 transitions, 32444 flow [2021-03-25 18:06:55,833 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=30275, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=595, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=230, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=32444, PETRI_PLACES=641, PETRI_TRANSITIONS=622} [2021-03-25 18:06:55,833 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 603 predicate places. [2021-03-25 18:06:55,833 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:06:55,833 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 641 places, 622 transitions, 32444 flow [2021-03-25 18:06:55,834 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 641 places, 622 transitions, 32444 flow [2021-03-25 18:06:55,843 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 640 places, 622 transitions, 32444 flow [2021-03-25 18:06:56,635 INFO L129 PetriNetUnfolder]: 271/3637 cut-off events. [2021-03-25 18:06:56,636 INFO L130 PetriNetUnfolder]: For 200032/200251 co-relation queries the response was YES. [2021-03-25 18:06:56,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31580 conditions, 3637 events. 271/3637 cut-off events. For 200032/200251 co-relation queries the response was YES. Maximal size of possible extension queue 659. Compared 54929 event pairs, 0 based on Foata normal form. 4/3579 useless extension candidates. Maximal degree in co-relation 31407. Up to 542 conditions per place. [2021-03-25 18:06:56,721 INFO L142 LiptonReduction]: Number of co-enabled transitions 4018 [2021-03-25 18:06:56,779 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:06:56,779 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:06:56,779 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 946 [2021-03-25 18:06:56,779 INFO L480 AbstractCegarLoop]: Abstraction has has 640 places, 622 transitions, 32444 flow [2021-03-25 18:06:56,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:56,780 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:06:56,780 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:06:56,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2021-03-25 18:06:56,780 INFO L428 AbstractCegarLoop]: === Iteration 171 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:06:56,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:06:56,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1678057242, now seen corresponding path program 167 times [2021-03-25 18:06:56,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:06:56,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736756639] [2021-03-25 18:06:56,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:06:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:06:56,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:56,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:06:56,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:06:56,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:06:56,795 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:06:56,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:06:56,808 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:06:56,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:06:56,823 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:06:56,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:06:56,845 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:06:56,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:06:56,864 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:06:56,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:06:56,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:06:56,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736756639] [2021-03-25 18:06:56,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:06:56,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:06:56,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056119171] [2021-03-25 18:06:56,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:06:56,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:06:56,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:06:56,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:06:56,883 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:06:56,884 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 640 places, 622 transitions, 32444 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:56,884 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:06:56,884 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:06:56,884 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:06:58,386 INFO L129 PetriNetUnfolder]: 297/3716 cut-off events. [2021-03-25 18:06:58,386 INFO L130 PetriNetUnfolder]: For 206000/206143 co-relation queries the response was YES. [2021-03-25 18:06:58,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33806 conditions, 3716 events. 297/3716 cut-off events. For 206000/206143 co-relation queries the response was YES. Maximal size of possible extension queue 663. Compared 55722 event pairs, 20 based on Foata normal form. 15/3674 useless extension candidates. Maximal degree in co-relation 33632. Up to 692 conditions per place. [2021-03-25 18:06:58,440 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 312 selfloop transitions, 311 changer transitions 2/639 dead transitions. [2021-03-25 18:06:58,440 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 639 transitions, 34245 flow [2021-03-25 18:06:58,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:06:58,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:06:58,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:06:58,441 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:06:58,441 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:06:58,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:06:58,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:06:58,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:06:58,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:58,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:58,442 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:06:58,442 INFO L185 Difference]: Start difference. First operand has 640 places, 622 transitions, 32444 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:06:58,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 639 transitions, 34245 flow [2021-03-25 18:07:00,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 644 places, 639 transitions, 33992 flow, removed 52 selfloop flow, removed 3 redundant places. [2021-03-25 18:07:00,243 INFO L241 Difference]: Finished difference. Result has 648 places, 625 transitions, 33014 flow [2021-03-25 18:07:00,243 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32201, PETRI_DIFFERENCE_MINUEND_PLACES=637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=622, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=308, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=311, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33014, PETRI_PLACES=648, PETRI_TRANSITIONS=625} [2021-03-25 18:07:00,243 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 610 predicate places. [2021-03-25 18:07:00,243 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:07:00,243 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 648 places, 625 transitions, 33014 flow [2021-03-25 18:07:00,243 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 648 places, 625 transitions, 33014 flow [2021-03-25 18:07:00,252 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 647 places, 625 transitions, 33014 flow [2021-03-25 18:07:01,032 INFO L129 PetriNetUnfolder]: 273/3660 cut-off events. [2021-03-25 18:07:01,033 INFO L130 PetriNetUnfolder]: For 204016/204189 co-relation queries the response was YES. [2021-03-25 18:07:01,077 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32098 conditions, 3660 events. 273/3660 cut-off events. For 204016/204189 co-relation queries the response was YES. Maximal size of possible extension queue 664. Compared 55321 event pairs, 0 based on Foata normal form. 2/3602 useless extension candidates. Maximal degree in co-relation 31923. Up to 546 conditions per place. [2021-03-25 18:07:01,117 INFO L142 LiptonReduction]: Number of co-enabled transitions 4030 [2021-03-25 18:07:01,174 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:07:01,174 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:07:01,174 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 931 [2021-03-25 18:07:01,175 INFO L480 AbstractCegarLoop]: Abstraction has has 647 places, 625 transitions, 33014 flow [2021-03-25 18:07:01,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:01,175 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:07:01,175 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:07:01,175 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2021-03-25 18:07:01,175 INFO L428 AbstractCegarLoop]: === Iteration 172 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:07:01,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:07:01,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1416545170, now seen corresponding path program 168 times [2021-03-25 18:07:01,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:07:01,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662804327] [2021-03-25 18:07:01,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:07:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:07:01,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:01,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:07:01,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:01,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:07:01,186 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:07:01,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:07:01,198 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:07:01,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:07:01,217 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:07:01,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:07:01,238 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:07:01,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:07:01,257 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:07:01,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:07:01,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:07:01,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662804327] [2021-03-25 18:07:01,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:07:01,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:07:01,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191604968] [2021-03-25 18:07:01,275 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:07:01,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:07:01,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:07:01,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:07:01,276 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:07:01,276 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 647 places, 625 transitions, 33014 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:01,276 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:07:01,276 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:07:01,276 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:07:02,766 INFO L129 PetriNetUnfolder]: 296/3706 cut-off events. [2021-03-25 18:07:02,766 INFO L130 PetriNetUnfolder]: For 208934/209077 co-relation queries the response was YES. [2021-03-25 18:07:02,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34086 conditions, 3706 events. 296/3706 cut-off events. For 208934/209077 co-relation queries the response was YES. Maximal size of possible extension queue 662. Compared 55600 event pairs, 20 based on Foata normal form. 15/3664 useless extension candidates. Maximal degree in co-relation 33910. Up to 692 conditions per place. [2021-03-25 18:07:02,819 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 346 selfloop transitions, 295 changer transitions 2/657 dead transitions. [2021-03-25 18:07:02,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 654 places, 657 transitions, 35566 flow [2021-03-25 18:07:02,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:07:02,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:07:02,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:07:02,820 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:07:02,820 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:07:02,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:07:02,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:07:02,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:07:02,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:02,821 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:02,821 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:02,821 INFO L185 Difference]: Start difference. First operand has 647 places, 625 transitions, 33014 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:07:02,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 654 places, 657 transitions, 35566 flow [2021-03-25 18:07:04,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 649 places, 657 transitions, 34977 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-25 18:07:04,666 INFO L241 Difference]: Finished difference. Result has 653 places, 631 transitions, 33487 flow [2021-03-25 18:07:04,666 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32438, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=625, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=288, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33487, PETRI_PLACES=653, PETRI_TRANSITIONS=631} [2021-03-25 18:07:04,666 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 615 predicate places. [2021-03-25 18:07:04,667 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:07:04,667 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 653 places, 631 transitions, 33487 flow [2021-03-25 18:07:04,667 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 653 places, 631 transitions, 33487 flow [2021-03-25 18:07:04,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 652 places, 631 transitions, 33487 flow [2021-03-25 18:07:05,483 INFO L129 PetriNetUnfolder]: 272/3650 cut-off events. [2021-03-25 18:07:05,483 INFO L130 PetriNetUnfolder]: For 207771/207962 co-relation queries the response was YES. [2021-03-25 18:07:05,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32165 conditions, 3650 events. 272/3650 cut-off events. For 207771/207962 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55121 event pairs, 0 based on Foata normal form. 2/3594 useless extension candidates. Maximal degree in co-relation 31988. Up to 544 conditions per place. [2021-03-25 18:07:05,571 INFO L142 LiptonReduction]: Number of co-enabled transitions 4068 [2021-03-25 18:07:05,630 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:07:05,630 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:07:05,630 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 963 [2021-03-25 18:07:05,630 INFO L480 AbstractCegarLoop]: Abstraction has has 652 places, 631 transitions, 33487 flow [2021-03-25 18:07:05,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:05,631 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:07:05,631 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:07:05,631 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2021-03-25 18:07:05,631 INFO L428 AbstractCegarLoop]: === Iteration 173 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:07:05,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:07:05,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1872207556, now seen corresponding path program 169 times [2021-03-25 18:07:05,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:07:05,631 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927311784] [2021-03-25 18:07:05,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:07:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:07:05,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:05,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:07:05,652 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:05,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:07:05,657 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:07:05,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:07:05,672 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:07:05,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:07:05,691 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:07:05,691 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:07:05,716 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:07:05,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:07:05,739 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:07:05,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:07:05,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:07:05,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927311784] [2021-03-25 18:07:05,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:07:05,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:07:05,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831090628] [2021-03-25 18:07:05,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:07:05,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:07:05,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:07:05,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:07:05,763 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:07:05,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 652 places, 631 transitions, 33487 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:05,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:07:05,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:07:05,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:07:07,350 INFO L129 PetriNetUnfolder]: 295/3696 cut-off events. [2021-03-25 18:07:07,351 INFO L130 PetriNetUnfolder]: For 213316/213508 co-relation queries the response was YES. [2021-03-25 18:07:07,399 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34155 conditions, 3696 events. 295/3696 cut-off events. For 213316/213508 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55443 event pairs, 20 based on Foata normal form. 18/3657 useless extension candidates. Maximal degree in co-relation 33977. Up to 692 conditions per place. [2021-03-25 18:07:07,407 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 310 selfloop transitions, 316 changer transitions 2/642 dead transitions. [2021-03-25 18:07:07,407 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 659 places, 642 transitions, 35058 flow [2021-03-25 18:07:07,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:07:07,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:07:07,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:07:07,408 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:07:07,408 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:07:07,408 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:07:07,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:07:07,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:07:07,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:07,409 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:07,409 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:07,409 INFO L185 Difference]: Start difference. First operand has 652 places, 631 transitions, 33487 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:07:07,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 659 places, 642 transitions, 35058 flow [2021-03-25 18:07:09,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 656 places, 642 transitions, 34602 flow, removed 27 selfloop flow, removed 3 redundant places. [2021-03-25 18:07:09,279 INFO L241 Difference]: Finished difference. Result has 658 places, 632 transitions, 33751 flow [2021-03-25 18:07:09,279 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33039, PETRI_DIFFERENCE_MINUEND_PLACES=649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=631, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=314, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33751, PETRI_PLACES=658, PETRI_TRANSITIONS=632} [2021-03-25 18:07:09,279 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 620 predicate places. [2021-03-25 18:07:09,279 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:07:09,279 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 632 transitions, 33751 flow [2021-03-25 18:07:09,280 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 632 transitions, 33751 flow [2021-03-25 18:07:09,289 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 657 places, 632 transitions, 33751 flow [2021-03-25 18:07:10,071 INFO L129 PetriNetUnfolder]: 271/3640 cut-off events. [2021-03-25 18:07:10,071 INFO L130 PetriNetUnfolder]: For 207466/207650 co-relation queries the response was YES. [2021-03-25 18:07:10,115 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32257 conditions, 3640 events. 271/3640 cut-off events. For 207466/207650 co-relation queries the response was YES. Maximal size of possible extension queue 660. Compared 55021 event pairs, 0 based on Foata normal form. 2/3582 useless extension candidates. Maximal degree in co-relation 32079. Up to 542 conditions per place. [2021-03-25 18:07:10,154 INFO L142 LiptonReduction]: Number of co-enabled transitions 4060 [2021-03-25 18:07:10,210 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:07:10,210 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:07:10,210 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 931 [2021-03-25 18:07:10,210 INFO L480 AbstractCegarLoop]: Abstraction has has 657 places, 632 transitions, 33751 flow [2021-03-25 18:07:10,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:10,210 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:07:10,210 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:07:10,210 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2021-03-25 18:07:10,210 INFO L428 AbstractCegarLoop]: === Iteration 174 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:07:10,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:07:10,211 INFO L82 PathProgramCache]: Analyzing trace with hash 187039396, now seen corresponding path program 170 times [2021-03-25 18:07:10,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:07:10,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350988177] [2021-03-25 18:07:10,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:07:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:07:10,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:10,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:07:10,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:10,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:07:10,221 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:07:10,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:07:10,234 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:07:10,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:07:10,250 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:07:10,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:07:10,265 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:07:10,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:07:10,284 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:07:10,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:07:10,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:07:10,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350988177] [2021-03-25 18:07:10,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:07:10,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:07:10,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289501892] [2021-03-25 18:07:10,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:07:10,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:07:10,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:07:10,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:07:10,303 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:07:10,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 657 places, 632 transitions, 33751 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:10,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:07:10,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:07:10,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:07:11,790 INFO L129 PetriNetUnfolder]: 294/3686 cut-off events. [2021-03-25 18:07:11,790 INFO L130 PetriNetUnfolder]: For 212797/212989 co-relation queries the response was YES. [2021-03-25 18:07:11,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34244 conditions, 3686 events. 294/3686 cut-off events. For 212797/212989 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 55241 event pairs, 20 based on Foata normal form. 18/3647 useless extension candidates. Maximal degree in co-relation 34065. Up to 692 conditions per place. [2021-03-25 18:07:11,845 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 304 selfloop transitions, 316 changer transitions 6/640 dead transitions. [2021-03-25 18:07:11,845 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 664 places, 640 transitions, 35147 flow [2021-03-25 18:07:11,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:07:11,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:07:11,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:07:11,846 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:07:11,846 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:07:11,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:07:11,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:07:11,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:07:11,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:11,847 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:11,847 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:11,847 INFO L185 Difference]: Start difference. First operand has 657 places, 632 transitions, 33751 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:07:11,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 664 places, 640 transitions, 35147 flow [2021-03-25 18:07:13,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 658 places, 640 transitions, 34502 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-03-25 18:07:13,688 INFO L241 Difference]: Finished difference. Result has 659 places, 626 transitions, 33435 flow [2021-03-25 18:07:13,689 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33114, PETRI_DIFFERENCE_MINUEND_PLACES=651, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=632, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=316, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33435, PETRI_PLACES=659, PETRI_TRANSITIONS=626} [2021-03-25 18:07:13,689 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 621 predicate places. [2021-03-25 18:07:13,689 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:07:13,689 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 659 places, 626 transitions, 33435 flow [2021-03-25 18:07:13,689 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 659 places, 626 transitions, 33435 flow [2021-03-25 18:07:13,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 655 places, 626 transitions, 33435 flow [2021-03-25 18:07:14,536 INFO L129 PetriNetUnfolder]: 270/3623 cut-off events. [2021-03-25 18:07:14,537 INFO L130 PetriNetUnfolder]: For 206340/206548 co-relation queries the response was YES. [2021-03-25 18:07:14,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32057 conditions, 3623 events. 270/3623 cut-off events. For 206340/206548 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 54621 event pairs, 0 based on Foata normal form. 2/3565 useless extension candidates. Maximal degree in co-relation 31879. Up to 540 conditions per place. [2021-03-25 18:07:14,626 INFO L142 LiptonReduction]: Number of co-enabled transitions 3996 [2021-03-25 18:07:14,691 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:07:14,691 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:07:14,691 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1002 [2021-03-25 18:07:14,691 INFO L480 AbstractCegarLoop]: Abstraction has has 655 places, 626 transitions, 33435 flow [2021-03-25 18:07:14,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:14,692 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:07:14,692 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:07:14,692 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2021-03-25 18:07:14,692 INFO L428 AbstractCegarLoop]: === Iteration 175 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:07:14,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:07:14,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1425626012, now seen corresponding path program 171 times [2021-03-25 18:07:14,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:07:14,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778515253] [2021-03-25 18:07:14,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:07:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:07:14,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:14,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:07:14,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:14,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:07:14,704 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:07:14,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:07:14,718 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:07:14,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:07:14,737 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:07:14,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:07:14,763 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:07:14,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:07:14,782 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:07:14,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:07:14,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:07:14,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778515253] [2021-03-25 18:07:14,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:07:14,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:07:14,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824492263] [2021-03-25 18:07:14,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:07:14,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:07:14,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:07:14,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:07:14,802 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:07:14,802 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 626 transitions, 33435 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:14,802 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:07:14,802 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:07:14,802 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:07:16,280 INFO L129 PetriNetUnfolder]: 293/3669 cut-off events. [2021-03-25 18:07:16,280 INFO L130 PetriNetUnfolder]: For 211520/211708 co-relation queries the response was YES. [2021-03-25 18:07:16,327 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34036 conditions, 3669 events. 293/3669 cut-off events. For 211520/211708 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 54940 event pairs, 20 based on Foata normal form. 16/3630 useless extension candidates. Maximal degree in co-relation 33857. Up to 692 conditions per place. [2021-03-25 18:07:16,335 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 319 selfloop transitions, 309 changer transitions 2/644 dead transitions. [2021-03-25 18:07:16,335 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 662 places, 644 transitions, 35328 flow [2021-03-25 18:07:16,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:07:16,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:07:16,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:07:16,336 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:07:16,336 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:07:16,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:07:16,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:07:16,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:07:16,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:16,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:16,337 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:16,337 INFO L185 Difference]: Start difference. First operand has 655 places, 626 transitions, 33435 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:07:16,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 662 places, 644 transitions, 35328 flow [2021-03-25 18:07:18,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 644 transitions, 34651 flow, removed 19 selfloop flow, removed 8 redundant places. [2021-03-25 18:07:18,172 INFO L241 Difference]: Finished difference. Result has 658 places, 629 transitions, 33623 flow [2021-03-25 18:07:18,173 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32781, PETRI_DIFFERENCE_MINUEND_PLACES=647, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=626, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=306, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=317, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33623, PETRI_PLACES=658, PETRI_TRANSITIONS=629} [2021-03-25 18:07:18,173 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 620 predicate places. [2021-03-25 18:07:18,173 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:07:18,173 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 658 places, 629 transitions, 33623 flow [2021-03-25 18:07:18,173 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 658 places, 629 transitions, 33623 flow [2021-03-25 18:07:18,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 657 places, 629 transitions, 33623 flow [2021-03-25 18:07:19,107 INFO L129 PetriNetUnfolder]: 269/3613 cut-off events. [2021-03-25 18:07:19,107 INFO L130 PetriNetUnfolder]: For 204649/204855 co-relation queries the response was YES. [2021-03-25 18:07:19,148 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31648 conditions, 3613 events. 269/3613 cut-off events. For 204649/204855 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 54471 event pairs, 0 based on Foata normal form. 3/3555 useless extension candidates. Maximal degree in co-relation 31470. Up to 538 conditions per place. [2021-03-25 18:07:19,186 INFO L142 LiptonReduction]: Number of co-enabled transitions 4010 [2021-03-25 18:07:19,240 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:07:19,240 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:07:19,240 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1067 [2021-03-25 18:07:19,240 INFO L480 AbstractCegarLoop]: Abstraction has has 657 places, 629 transitions, 33623 flow [2021-03-25 18:07:19,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:19,240 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:07:19,240 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:07:19,240 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2021-03-25 18:07:19,240 INFO L428 AbstractCegarLoop]: === Iteration 176 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:07:19,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:07:19,241 INFO L82 PathProgramCache]: Analyzing trace with hash -115841564, now seen corresponding path program 172 times [2021-03-25 18:07:19,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:07:19,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902061684] [2021-03-25 18:07:19,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:07:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:07:19,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:19,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:07:19,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:19,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:07:19,251 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:07:19,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:07:19,264 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:07:19,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:07:19,283 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:07:19,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:07:19,308 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:07:19,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:07:19,326 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:07:19,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:07:19,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:07:19,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902061684] [2021-03-25 18:07:19,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:07:19,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:07:19,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022019746] [2021-03-25 18:07:19,345 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:07:19,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:07:19,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:07:19,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:07:19,345 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:07:19,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 657 places, 629 transitions, 33623 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:19,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:07:19,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:07:19,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:07:20,823 INFO L129 PetriNetUnfolder]: 292/3657 cut-off events. [2021-03-25 18:07:20,823 INFO L130 PetriNetUnfolder]: For 209463/209651 co-relation queries the response was YES. [2021-03-25 18:07:20,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33611 conditions, 3657 events. 292/3657 cut-off events. For 209463/209651 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 54709 event pairs, 21 based on Foata normal form. 16/3617 useless extension candidates. Maximal degree in co-relation 33432. Up to 692 conditions per place. [2021-03-25 18:07:20,877 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 318 selfloop transitions, 307 changer transitions 3/642 dead transitions. [2021-03-25 18:07:20,877 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 664 places, 642 transitions, 35251 flow [2021-03-25 18:07:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:07:20,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:07:20,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:07:20,878 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:07:20,878 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:07:20,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:07:20,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:07:20,878 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:07:20,879 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:20,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:20,879 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:20,879 INFO L185 Difference]: Start difference. First operand has 657 places, 629 transitions, 33623 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:07:20,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 664 places, 642 transitions, 35251 flow [2021-03-25 18:07:22,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 659 places, 642 transitions, 34675 flow, removed 11 selfloop flow, removed 5 redundant places. [2021-03-25 18:07:22,680 INFO L241 Difference]: Finished difference. Result has 661 places, 627 transitions, 33589 flow [2021-03-25 18:07:22,681 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33055, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=629, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=307, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=322, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33589, PETRI_PLACES=661, PETRI_TRANSITIONS=627} [2021-03-25 18:07:22,681 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 623 predicate places. [2021-03-25 18:07:22,681 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:07:22,681 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 661 places, 627 transitions, 33589 flow [2021-03-25 18:07:22,681 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 661 places, 627 transitions, 33589 flow [2021-03-25 18:07:22,690 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 660 places, 627 transitions, 33589 flow [2021-03-25 18:07:23,463 INFO L129 PetriNetUnfolder]: 268/3602 cut-off events. [2021-03-25 18:07:23,463 INFO L130 PetriNetUnfolder]: For 204202/204370 co-relation queries the response was YES. [2021-03-25 18:07:23,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31632 conditions, 3602 events. 268/3602 cut-off events. For 204202/204370 co-relation queries the response was YES. Maximal size of possible extension queue 655. Compared 54324 event pairs, 0 based on Foata normal form. 4/3549 useless extension candidates. Maximal degree in co-relation 31454. Up to 536 conditions per place. [2021-03-25 18:07:23,547 INFO L142 LiptonReduction]: Number of co-enabled transitions 4006 [2021-03-25 18:07:23,606 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:07:23,606 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:07:23,606 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 925 [2021-03-25 18:07:23,606 INFO L480 AbstractCegarLoop]: Abstraction has has 660 places, 627 transitions, 33589 flow [2021-03-25 18:07:23,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:23,607 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:07:23,607 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:07:23,607 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2021-03-25 18:07:23,607 INFO L428 AbstractCegarLoop]: === Iteration 177 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:07:23,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:07:23,607 INFO L82 PathProgramCache]: Analyzing trace with hash -781931664, now seen corresponding path program 173 times [2021-03-25 18:07:23,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:07:23,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831019496] [2021-03-25 18:07:23,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:07:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:07:23,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:23,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:07:23,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:23,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:07:23,617 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:07:23,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:07:23,630 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:07:23,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:07:23,648 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:07:23,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:07:23,669 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:07:23,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:07:23,687 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:07:23,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:07:23,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:07:23,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831019496] [2021-03-25 18:07:23,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:07:23,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:07:23,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182372389] [2021-03-25 18:07:23,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:07:23,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:07:23,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:07:23,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:07:23,706 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:07:23,706 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 660 places, 627 transitions, 33589 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:23,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:07:23,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:07:23,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:07:25,088 INFO L129 PetriNetUnfolder]: 291/3648 cut-off events. [2021-03-25 18:07:25,088 INFO L130 PetriNetUnfolder]: For 208965/209153 co-relation queries the response was YES. [2021-03-25 18:07:25,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33593 conditions, 3648 events. 291/3648 cut-off events. For 208965/209153 co-relation queries the response was YES. Maximal size of possible extension queue 652. Compared 54567 event pairs, 20 based on Foata normal form. 16/3609 useless extension candidates. Maximal degree in co-relation 33414. Up to 692 conditions per place. [2021-03-25 18:07:25,141 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 311 selfloop transitions, 311 changer transitions 3/639 dead transitions. [2021-03-25 18:07:25,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 667 places, 639 transitions, 35181 flow [2021-03-25 18:07:25,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:07:25,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:07:25,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:07:25,168 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:07:25,168 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:07:25,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:07:25,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:07:25,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:07:25,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:25,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:25,170 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:25,170 INFO L185 Difference]: Start difference. First operand has 660 places, 627 transitions, 33589 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:07:25,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 667 places, 639 transitions, 35181 flow [2021-03-25 18:07:26,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 639 transitions, 34569 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-25 18:07:27,005 INFO L241 Difference]: Finished difference. Result has 663 places, 624 transitions, 33481 flow [2021-03-25 18:07:27,005 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32985, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33481, PETRI_PLACES=663, PETRI_TRANSITIONS=624} [2021-03-25 18:07:27,005 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 625 predicate places. [2021-03-25 18:07:27,005 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:07:27,005 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 663 places, 624 transitions, 33481 flow [2021-03-25 18:07:27,006 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 663 places, 624 transitions, 33481 flow [2021-03-25 18:07:27,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 661 places, 624 transitions, 33481 flow [2021-03-25 18:07:27,824 INFO L129 PetriNetUnfolder]: 267/3591 cut-off events. [2021-03-25 18:07:27,824 INFO L130 PetriNetUnfolder]: For 203709/203877 co-relation queries the response was YES. [2021-03-25 18:07:27,871 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31566 conditions, 3591 events. 267/3591 cut-off events. For 203709/203877 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 54148 event pairs, 0 based on Foata normal form. 4/3537 useless extension candidates. Maximal degree in co-relation 31388. Up to 534 conditions per place. [2021-03-25 18:07:27,912 INFO L142 LiptonReduction]: Number of co-enabled transitions 3998 [2021-03-25 18:07:27,971 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:07:27,971 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:07:27,972 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 967 [2021-03-25 18:07:27,972 INFO L480 AbstractCegarLoop]: Abstraction has has 661 places, 624 transitions, 33481 flow [2021-03-25 18:07:27,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:27,972 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:07:27,972 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:07:27,972 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2021-03-25 18:07:27,972 INFO L428 AbstractCegarLoop]: === Iteration 178 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:07:27,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:07:27,972 INFO L82 PathProgramCache]: Analyzing trace with hash -2063953880, now seen corresponding path program 174 times [2021-03-25 18:07:27,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:07:27,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960251302] [2021-03-25 18:07:27,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:07:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:07:27,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:27,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:07:27,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:27,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:07:27,983 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:07:27,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:07:28,002 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:07:28,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:07:28,021 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:07:28,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:07:28,035 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:07:28,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:07:28,055 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:07:28,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:07:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:07:28,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960251302] [2021-03-25 18:07:28,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:07:28,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:07:28,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648871848] [2021-03-25 18:07:28,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:07:28,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:07:28,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:07:28,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:07:28,073 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:07:28,074 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 661 places, 624 transitions, 33481 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:28,074 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:07:28,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:07:28,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:07:29,552 INFO L129 PetriNetUnfolder]: 290/3637 cut-off events. [2021-03-25 18:07:29,552 INFO L130 PetriNetUnfolder]: For 208570/208762 co-relation queries the response was YES. [2021-03-25 18:07:29,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33523 conditions, 3637 events. 290/3637 cut-off events. For 208570/208762 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 54345 event pairs, 20 based on Foata normal form. 18/3600 useless extension candidates. Maximal degree in co-relation 33344. Up to 692 conditions per place. [2021-03-25 18:07:29,605 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 313 selfloop transitions, 309 changer transitions 0/636 dead transitions. [2021-03-25 18:07:29,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 668 places, 636 transitions, 35067 flow [2021-03-25 18:07:29,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:07:29,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:07:29,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:07:29,606 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:07:29,606 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:07:29,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:07:29,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:07:29,606 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:07:29,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:29,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:29,607 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:29,607 INFO L185 Difference]: Start difference. First operand has 661 places, 624 transitions, 33481 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:07:29,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 668 places, 636 transitions, 35067 flow [2021-03-25 18:07:31,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 662 places, 636 transitions, 34434 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-25 18:07:31,362 INFO L241 Difference]: Finished difference. Result has 664 places, 628 transitions, 33738 flow [2021-03-25 18:07:31,363 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32858, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=624, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=305, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=315, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33738, PETRI_PLACES=664, PETRI_TRANSITIONS=628} [2021-03-25 18:07:31,363 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 626 predicate places. [2021-03-25 18:07:31,363 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:07:31,363 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 664 places, 628 transitions, 33738 flow [2021-03-25 18:07:31,363 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 664 places, 628 transitions, 33738 flow [2021-03-25 18:07:31,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 664 places, 628 transitions, 33738 flow [2021-03-25 18:07:32,166 INFO L129 PetriNetUnfolder]: 267/3590 cut-off events. [2021-03-25 18:07:32,166 INFO L130 PetriNetUnfolder]: For 205142/205334 co-relation queries the response was YES. [2021-03-25 18:07:32,211 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31604 conditions, 3590 events. 267/3590 cut-off events. For 205142/205334 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 54060 event pairs, 0 based on Foata normal form. 4/3534 useless extension candidates. Maximal degree in co-relation 31426. Up to 534 conditions per place. [2021-03-25 18:07:32,251 INFO L142 LiptonReduction]: Number of co-enabled transitions 4010 [2021-03-25 18:07:32,311 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:07:32,311 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:07:32,311 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 948 [2021-03-25 18:07:32,311 INFO L480 AbstractCegarLoop]: Abstraction has has 664 places, 628 transitions, 33738 flow [2021-03-25 18:07:32,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:32,312 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:07:32,312 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:07:32,312 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2021-03-25 18:07:32,312 INFO L428 AbstractCegarLoop]: === Iteration 179 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:07:32,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:07:32,312 INFO L82 PathProgramCache]: Analyzing trace with hash 728479540, now seen corresponding path program 175 times [2021-03-25 18:07:32,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:07:32,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783453510] [2021-03-25 18:07:32,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:07:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:07:32,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:32,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:07:32,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:32,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:07:32,323 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:07:32,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:07:32,337 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:07:32,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:07:32,356 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:07:32,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:07:32,370 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:07:32,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:07:32,389 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:07:32,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:07:32,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:07:32,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783453510] [2021-03-25 18:07:32,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:07:32,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:07:32,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957691451] [2021-03-25 18:07:32,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:07:32,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:07:32,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:07:32,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:07:32,409 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:07:32,409 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 628 transitions, 33738 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:32,409 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:07:32,409 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:07:32,409 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:07:33,956 INFO L129 PetriNetUnfolder]: 290/3636 cut-off events. [2021-03-25 18:07:33,956 INFO L130 PetriNetUnfolder]: For 209734/209926 co-relation queries the response was YES. [2021-03-25 18:07:33,999 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33560 conditions, 3636 events. 290/3636 cut-off events. For 209734/209926 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 54362 event pairs, 20 based on Foata normal form. 18/3599 useless extension candidates. Maximal degree in co-relation 33381. Up to 692 conditions per place. [2021-03-25 18:07:34,006 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 313 selfloop transitions, 303 changer transitions 6/636 dead transitions. [2021-03-25 18:07:34,006 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 636 transitions, 35118 flow [2021-03-25 18:07:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:07:34,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:07:34,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:07:34,007 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:07:34,007 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:07:34,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:07:34,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:07:34,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:07:34,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:34,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:34,009 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:34,009 INFO L185 Difference]: Start difference. First operand has 664 places, 628 transitions, 33738 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:07:34,009 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 636 transitions, 35118 flow [2021-03-25 18:07:35,728 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 636 transitions, 34517 flow, removed 17 selfloop flow, removed 4 redundant places. [2021-03-25 18:07:35,746 INFO L241 Difference]: Finished difference. Result has 668 places, 622 transitions, 33431 flow [2021-03-25 18:07:35,746 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33137, PETRI_DIFFERENCE_MINUEND_PLACES=660, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=628, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=303, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33431, PETRI_PLACES=668, PETRI_TRANSITIONS=622} [2021-03-25 18:07:35,746 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 630 predicate places. [2021-03-25 18:07:35,746 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:07:35,746 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 668 places, 622 transitions, 33431 flow [2021-03-25 18:07:35,746 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 668 places, 622 transitions, 33431 flow [2021-03-25 18:07:35,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 664 places, 622 transitions, 33431 flow [2021-03-25 18:07:36,566 INFO L129 PetriNetUnfolder]: 266/3573 cut-off events. [2021-03-25 18:07:36,566 INFO L130 PetriNetUnfolder]: For 205571/205776 co-relation queries the response was YES. [2021-03-25 18:07:36,620 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31800 conditions, 3573 events. 266/3573 cut-off events. For 205571/205776 co-relation queries the response was YES. Maximal size of possible extension queue 648. Compared 53830 event pairs, 0 based on Foata normal form. 3/3517 useless extension candidates. Maximal degree in co-relation 31621. Up to 532 conditions per place. [2021-03-25 18:07:36,661 INFO L142 LiptonReduction]: Number of co-enabled transitions 3956 [2021-03-25 18:07:36,720 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:07:36,720 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:07:36,720 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 974 [2021-03-25 18:07:36,720 INFO L480 AbstractCegarLoop]: Abstraction has has 664 places, 622 transitions, 33431 flow [2021-03-25 18:07:36,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:36,720 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:07:36,720 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:07:36,721 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2021-03-25 18:07:36,721 INFO L428 AbstractCegarLoop]: === Iteration 180 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:07:36,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:07:36,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1832864786, now seen corresponding path program 176 times [2021-03-25 18:07:36,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:07:36,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100235706] [2021-03-25 18:07:36,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:07:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:07:36,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:36,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:07:36,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:36,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:07:36,734 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:07:36,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:07:36,747 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:07:36,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:07:36,766 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:07:36,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:07:36,780 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:07:36,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:07:36,799 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:07:36,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:07:36,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:07:36,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100235706] [2021-03-25 18:07:36,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:07:36,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:07:36,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848285248] [2021-03-25 18:07:36,823 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:07:36,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:07:36,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:07:36,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:07:36,824 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:07:36,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 664 places, 622 transitions, 33431 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:36,825 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:07:36,825 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:07:36,825 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:07:38,344 INFO L129 PetriNetUnfolder]: 289/3619 cut-off events. [2021-03-25 18:07:38,344 INFO L130 PetriNetUnfolder]: For 210675/210857 co-relation queries the response was YES. [2021-03-25 18:07:38,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33748 conditions, 3619 events. 289/3619 cut-off events. For 210675/210857 co-relation queries the response was YES. Maximal size of possible extension queue 647. Compared 53992 event pairs, 20 based on Foata normal form. 16/3581 useless extension candidates. Maximal degree in co-relation 33568. Up to 692 conditions per place. [2021-03-25 18:07:38,398 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 337 selfloop transitions, 294 changer transitions 0/645 dead transitions. [2021-03-25 18:07:38,399 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 645 transitions, 35603 flow [2021-03-25 18:07:38,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:07:38,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:07:38,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:07:38,400 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:07:38,400 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:07:38,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:07:38,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:07:38,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:07:38,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:38,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:38,400 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:38,401 INFO L185 Difference]: Start difference. First operand has 664 places, 622 transitions, 33431 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:07:38,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 645 transitions, 35603 flow [2021-03-25 18:07:40,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 664 places, 645 transitions, 34955 flow, removed 16 selfloop flow, removed 7 redundant places. [2021-03-25 18:07:40,219 INFO L241 Difference]: Finished difference. Result has 667 places, 634 transitions, 34137 flow [2021-03-25 18:07:40,220 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=32811, PETRI_DIFFERENCE_MINUEND_PLACES=657, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=622, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=282, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=34137, PETRI_PLACES=667, PETRI_TRANSITIONS=634} [2021-03-25 18:07:40,220 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 629 predicate places. [2021-03-25 18:07:40,220 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:07:40,220 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 667 places, 634 transitions, 34137 flow [2021-03-25 18:07:40,220 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 667 places, 634 transitions, 34137 flow [2021-03-25 18:07:40,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 667 places, 634 transitions, 34137 flow [2021-03-25 18:07:41,003 INFO L129 PetriNetUnfolder]: 266/3572 cut-off events. [2021-03-25 18:07:41,003 INFO L130 PetriNetUnfolder]: For 204837/205005 co-relation queries the response was YES. [2021-03-25 18:07:41,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31486 conditions, 3572 events. 266/3572 cut-off events. For 204837/205005 co-relation queries the response was YES. Maximal size of possible extension queue 651. Compared 53725 event pairs, 0 based on Foata normal form. 4/3520 useless extension candidates. Maximal degree in co-relation 31307. Up to 532 conditions per place. [2021-03-25 18:07:41,087 INFO L142 LiptonReduction]: Number of co-enabled transitions 4008 [2021-03-25 18:07:41,147 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:07:41,147 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:07:41,147 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 927 [2021-03-25 18:07:41,147 INFO L480 AbstractCegarLoop]: Abstraction has has 667 places, 634 transitions, 34137 flow [2021-03-25 18:07:41,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:41,148 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:07:41,148 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:07:41,148 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2021-03-25 18:07:41,148 INFO L428 AbstractCegarLoop]: === Iteration 181 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:07:41,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:07:41,148 INFO L82 PathProgramCache]: Analyzing trace with hash -2046671878, now seen corresponding path program 177 times [2021-03-25 18:07:41,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:07:41,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302258261] [2021-03-25 18:07:41,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:07:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:07:41,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:41,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:07:41,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:41,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:07:41,161 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:07:41,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:07:41,174 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:07:41,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:07:41,192 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:07:41,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:07:41,218 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:07:41,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:07:41,237 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:07:41,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:07:41,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:07:41,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302258261] [2021-03-25 18:07:41,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:07:41,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:07:41,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015042649] [2021-03-25 18:07:41,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:07:41,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:07:41,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:07:41,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:07:41,256 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:07:41,256 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 667 places, 634 transitions, 34137 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:41,256 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:07:41,257 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:07:41,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:07:42,747 INFO L129 PetriNetUnfolder]: 289/3616 cut-off events. [2021-03-25 18:07:42,748 INFO L130 PetriNetUnfolder]: For 209718/209896 co-relation queries the response was YES. [2021-03-25 18:07:42,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33432 conditions, 3616 events. 289/3616 cut-off events. For 209718/209896 co-relation queries the response was YES. Maximal size of possible extension queue 647. Compared 53967 event pairs, 21 based on Foata normal form. 14/3575 useless extension candidates. Maximal degree in co-relation 33252. Up to 692 conditions per place. [2021-03-25 18:07:42,800 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 336 selfloop transitions, 293 changer transitions 2/645 dead transitions. [2021-03-25 18:07:42,800 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 674 places, 645 transitions, 35625 flow [2021-03-25 18:07:42,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:07:42,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:07:42,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:07:42,801 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:07:42,801 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:07:42,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:07:42,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:07:42,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:07:42,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:42,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:42,802 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:42,802 INFO L185 Difference]: Start difference. First operand has 667 places, 634 transitions, 34137 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:07:42,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 674 places, 645 transitions, 35625 flow [2021-03-25 18:07:44,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 670 places, 645 transitions, 34997 flow, removed 20 selfloop flow, removed 4 redundant places. [2021-03-25 18:07:44,701 INFO L241 Difference]: Finished difference. Result has 672 places, 635 transitions, 34122 flow [2021-03-25 18:07:44,702 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33512, PETRI_DIFFERENCE_MINUEND_PLACES=663, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=634, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=290, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=34122, PETRI_PLACES=672, PETRI_TRANSITIONS=635} [2021-03-25 18:07:44,702 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 634 predicate places. [2021-03-25 18:07:44,702 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:07:44,702 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 672 places, 635 transitions, 34122 flow [2021-03-25 18:07:44,702 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 672 places, 635 transitions, 34122 flow [2021-03-25 18:07:44,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 671 places, 635 transitions, 34122 flow [2021-03-25 18:07:45,488 INFO L129 PetriNetUnfolder]: 265/3562 cut-off events. [2021-03-25 18:07:45,489 INFO L130 PetriNetUnfolder]: For 206864/207032 co-relation queries the response was YES. [2021-03-25 18:07:45,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31764 conditions, 3562 events. 265/3562 cut-off events. For 206864/207032 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 53616 event pairs, 0 based on Foata normal form. 4/3509 useless extension candidates. Maximal degree in co-relation 31583. Up to 530 conditions per place. [2021-03-25 18:07:45,577 INFO L142 LiptonReduction]: Number of co-enabled transitions 4002 [2021-03-25 18:07:45,636 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:07:45,636 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:07:45,636 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 934 [2021-03-25 18:07:45,636 INFO L480 AbstractCegarLoop]: Abstraction has has 671 places, 635 transitions, 34122 flow [2021-03-25 18:07:45,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:45,637 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:07:45,637 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:07:45,637 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2021-03-25 18:07:45,637 INFO L428 AbstractCegarLoop]: === Iteration 182 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:07:45,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:07:45,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1088162288, now seen corresponding path program 178 times [2021-03-25 18:07:45,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:07:45,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630681573] [2021-03-25 18:07:45,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:07:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:07:45,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:45,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:07:45,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:45,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:07:45,647 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:07:45,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:07:45,660 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:07:45,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:07:45,679 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:07:45,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:07:45,694 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:07:45,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:07:45,713 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:07:45,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:07:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:07:45,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630681573] [2021-03-25 18:07:45,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:07:45,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:07:45,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239887558] [2021-03-25 18:07:45,732 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:07:45,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:07:45,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:07:45,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:07:45,733 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:07:45,733 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 671 places, 635 transitions, 34122 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:45,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:07:45,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:07:45,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:07:47,279 INFO L129 PetriNetUnfolder]: 288/3608 cut-off events. [2021-03-25 18:07:47,279 INFO L130 PetriNetUnfolder]: For 211935/212113 co-relation queries the response was YES. [2021-03-25 18:07:47,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33708 conditions, 3608 events. 288/3608 cut-off events. For 211935/212113 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 53860 event pairs, 20 based on Foata normal form. 14/3568 useless extension candidates. Maximal degree in co-relation 33526. Up to 692 conditions per place. [2021-03-25 18:07:47,337 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 337 selfloop transitions, 287 changer transitions 5/643 dead transitions. [2021-03-25 18:07:47,337 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 678 places, 643 transitions, 35524 flow [2021-03-25 18:07:47,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:07:47,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:07:47,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:07:47,338 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:07:47,338 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:07:47,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:07:47,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:07:47,338 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:07:47,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:47,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:47,339 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:47,339 INFO L185 Difference]: Start difference. First operand has 671 places, 635 transitions, 34122 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:07:47,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 678 places, 643 transitions, 35524 flow [2021-03-25 18:07:49,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 643 transitions, 34980 flow, removed 5 selfloop flow, removed 4 redundant places. [2021-03-25 18:07:49,327 INFO L241 Difference]: Finished difference. Result has 675 places, 630 transitions, 33863 flow [2021-03-25 18:07:49,328 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33586, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=635, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=287, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33863, PETRI_PLACES=675, PETRI_TRANSITIONS=630} [2021-03-25 18:07:49,328 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 637 predicate places. [2021-03-25 18:07:49,328 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:07:49,328 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 630 transitions, 33863 flow [2021-03-25 18:07:49,328 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 630 transitions, 33863 flow [2021-03-25 18:07:49,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 673 places, 630 transitions, 33863 flow [2021-03-25 18:07:50,126 INFO L129 PetriNetUnfolder]: 264/3546 cut-off events. [2021-03-25 18:07:50,126 INFO L130 PetriNetUnfolder]: For 205978/206170 co-relation queries the response was YES. [2021-03-25 18:07:50,171 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31639 conditions, 3546 events. 264/3546 cut-off events. For 205978/206170 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 53272 event pairs, 0 based on Foata normal form. 4/3492 useless extension candidates. Maximal degree in co-relation 31458. Up to 528 conditions per place. [2021-03-25 18:07:50,210 INFO L142 LiptonReduction]: Number of co-enabled transitions 3958 [2021-03-25 18:07:50,269 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:07:50,269 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:07:50,269 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 941 [2021-03-25 18:07:50,269 INFO L480 AbstractCegarLoop]: Abstraction has has 673 places, 630 transitions, 33863 flow [2021-03-25 18:07:50,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:50,269 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:07:50,270 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:07:50,270 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2021-03-25 18:07:50,270 INFO L428 AbstractCegarLoop]: === Iteration 183 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:07:50,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:07:50,270 INFO L82 PathProgramCache]: Analyzing trace with hash -2133719628, now seen corresponding path program 179 times [2021-03-25 18:07:50,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:07:50,270 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719987423] [2021-03-25 18:07:50,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:07:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:07:50,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:50,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:07:50,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:50,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:07:50,280 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:07:50,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:07:50,293 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:07:50,293 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:07:50,311 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:07:50,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:07:50,332 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:07:50,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:07:50,351 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:07:50,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:07:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:07:50,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719987423] [2021-03-25 18:07:50,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:07:50,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:07:50,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840666213] [2021-03-25 18:07:50,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:07:50,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:07:50,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:07:50,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:07:50,370 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:07:50,370 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 673 places, 630 transitions, 33863 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:50,370 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:07:50,371 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:07:50,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:07:51,859 INFO L129 PetriNetUnfolder]: 287/3592 cut-off events. [2021-03-25 18:07:51,859 INFO L130 PetriNetUnfolder]: For 210931/211113 co-relation queries the response was YES. [2021-03-25 18:07:51,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33577 conditions, 3592 events. 287/3592 cut-off events. For 210931/211113 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 53572 event pairs, 20 based on Foata normal form. 16/3555 useless extension candidates. Maximal degree in co-relation 33395. Up to 692 conditions per place. [2021-03-25 18:07:51,913 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 335 selfloop transitions, 286 changer transitions 3/638 dead transitions. [2021-03-25 18:07:51,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 638 transitions, 35255 flow [2021-03-25 18:07:51,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:07:51,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:07:51,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-25 18:07:51,914 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-25 18:07:51,914 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-25 18:07:51,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-25 18:07:51,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:07:51,914 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-25 18:07:51,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:51,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:51,915 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:51,915 INFO L185 Difference]: Start difference. First operand has 673 places, 630 transitions, 33863 flow. Second operand 8 states and 466 transitions. [2021-03-25 18:07:51,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 638 transitions, 35255 flow [2021-03-25 18:07:53,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 638 transitions, 34669 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-25 18:07:53,808 INFO L241 Difference]: Finished difference. Result has 675 places, 627 transitions, 33713 flow [2021-03-25 18:07:53,808 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33293, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=630, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=286, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33713, PETRI_PLACES=675, PETRI_TRANSITIONS=627} [2021-03-25 18:07:53,808 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 637 predicate places. [2021-03-25 18:07:53,808 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:07:53,808 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 627 transitions, 33713 flow [2021-03-25 18:07:53,808 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 627 transitions, 33713 flow [2021-03-25 18:07:53,818 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 673 places, 627 transitions, 33713 flow [2021-03-25 18:07:54,615 INFO L129 PetriNetUnfolder]: 263/3535 cut-off events. [2021-03-25 18:07:54,615 INFO L130 PetriNetUnfolder]: For 202849/203049 co-relation queries the response was YES. [2021-03-25 18:07:54,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31198 conditions, 3535 events. 263/3535 cut-off events. For 202849/203049 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 53084 event pairs, 0 based on Foata normal form. 3/3480 useless extension candidates. Maximal degree in co-relation 31018. Up to 526 conditions per place. [2021-03-25 18:07:54,700 INFO L142 LiptonReduction]: Number of co-enabled transitions 3942 [2021-03-25 18:07:54,755 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:07:54,755 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:07:54,755 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 947 [2021-03-25 18:07:54,755 INFO L480 AbstractCegarLoop]: Abstraction has has 673 places, 627 transitions, 33713 flow [2021-03-25 18:07:54,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:54,755 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:07:54,755 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:07:54,755 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2021-03-25 18:07:54,755 INFO L428 AbstractCegarLoop]: === Iteration 184 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:07:54,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:07:54,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1267481168, now seen corresponding path program 180 times [2021-03-25 18:07:54,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:07:54,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871945736] [2021-03-25 18:07:54,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:07:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:07:54,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:54,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:07:54,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:54,764 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:07:54,769 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:07:54,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:07:54,782 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:07:54,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:07:54,800 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:07:54,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:07:54,826 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:07:54,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:07:54,845 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:07:54,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:07:54,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:07:54,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871945736] [2021-03-25 18:07:54,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:07:54,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:07:54,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685804712] [2021-03-25 18:07:54,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:07:54,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:07:54,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:07:54,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:07:54,864 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:07:54,864 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 673 places, 627 transitions, 33713 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:54,864 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:07:54,864 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:07:54,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:07:56,310 INFO L129 PetriNetUnfolder]: 286/3581 cut-off events. [2021-03-25 18:07:56,310 INFO L130 PetriNetUnfolder]: For 207238/207384 co-relation queries the response was YES. [2021-03-25 18:07:56,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 33133 conditions, 3581 events. 286/3581 cut-off events. For 207238/207384 co-relation queries the response was YES. Maximal size of possible extension queue 640. Compared 53328 event pairs, 20 based on Foata normal form. 16/3544 useless extension candidates. Maximal degree in co-relation 32952. Up to 692 conditions per place. [2021-03-25 18:07:56,365 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 330 selfloop transitions, 286 changer transitions 4/634 dead transitions. [2021-03-25 18:07:56,365 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 634 transitions, 35075 flow [2021-03-25 18:07:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:07:56,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:07:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-25 18:07:56,366 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-25 18:07:56,366 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-25 18:07:56,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-25 18:07:56,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:07:56,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-25 18:07:56,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:56,367 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:56,367 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:56,367 INFO L185 Difference]: Start difference. First operand has 673 places, 627 transitions, 33713 flow. Second operand 8 states and 466 transitions. [2021-03-25 18:07:56,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 634 transitions, 35075 flow [2021-03-25 18:07:58,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 634 transitions, 34619 flow, removed 7 selfloop flow, removed 6 redundant places. [2021-03-25 18:07:58,209 INFO L241 Difference]: Finished difference. Result has 675 places, 623 transitions, 33664 flow [2021-03-25 18:07:58,209 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33263, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=286, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=33664, PETRI_PLACES=675, PETRI_TRANSITIONS=623} [2021-03-25 18:07:58,209 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 637 predicate places. [2021-03-25 18:07:58,209 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:07:58,209 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 675 places, 623 transitions, 33664 flow [2021-03-25 18:07:58,209 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 675 places, 623 transitions, 33664 flow [2021-03-25 18:07:58,219 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 673 places, 623 transitions, 33664 flow [2021-03-25 18:07:59,060 INFO L129 PetriNetUnfolder]: 262/3522 cut-off events. [2021-03-25 18:07:59,060 INFO L130 PetriNetUnfolder]: For 201853/202005 co-relation queries the response was YES. [2021-03-25 18:07:59,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31205 conditions, 3522 events. 262/3522 cut-off events. For 201853/202005 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 52893 event pairs, 0 based on Foata normal form. 4/3471 useless extension candidates. Maximal degree in co-relation 31027. Up to 524 conditions per place. [2021-03-25 18:07:59,140 INFO L142 LiptonReduction]: Number of co-enabled transitions 3928 [2021-03-25 18:07:59,194 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:07:59,194 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:07:59,194 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 985 [2021-03-25 18:07:59,194 INFO L480 AbstractCegarLoop]: Abstraction has has 673 places, 623 transitions, 33664 flow [2021-03-25 18:07:59,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:59,195 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:07:59,195 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:07:59,195 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2021-03-25 18:07:59,195 INFO L428 AbstractCegarLoop]: === Iteration 185 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:07:59,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:07:59,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1603833174, now seen corresponding path program 181 times [2021-03-25 18:07:59,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:07:59,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858944123] [2021-03-25 18:07:59,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:07:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:07:59,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:59,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:07:59,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:59,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:07:59,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:07:59,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:07:59,212 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:07:59,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:07:59,230 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:07:59,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:07:59,251 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:07:59,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:07:59,271 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:07:59,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:07:59,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:07:59,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858944123] [2021-03-25 18:07:59,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:07:59,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:07:59,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052112209] [2021-03-25 18:07:59,289 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:07:59,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:07:59,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:07:59,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:07:59,290 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:07:59,290 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 673 places, 623 transitions, 33664 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:07:59,290 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:07:59,290 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:07:59,290 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:08:00,833 INFO L129 PetriNetUnfolder]: 303/3838 cut-off events. [2021-03-25 18:08:00,834 INFO L130 PetriNetUnfolder]: For 223128/223229 co-relation queries the response was YES. [2021-03-25 18:08:00,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35769 conditions, 3838 events. 303/3838 cut-off events. For 223128/223229 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 58027 event pairs, 10 based on Foata normal form. 3/3782 useless extension candidates. Maximal degree in co-relation 35590. Up to 685 conditions per place. [2021-03-25 18:08:00,899 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 429 selfloop transitions, 304 changer transitions 2/749 dead transitions. [2021-03-25 18:08:00,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 749 transitions, 41405 flow [2021-03-25 18:08:00,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:08:00,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:08:00,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:08:00,900 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:08:00,900 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:08:00,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:08:00,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:08:00,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:08:00,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:00,901 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:00,901 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:00,901 INFO L185 Difference]: Start difference. First operand has 673 places, 623 transitions, 33664 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:08:00,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 680 places, 749 transitions, 41405 flow [2021-03-25 18:08:02,942 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 675 places, 749 transitions, 40718 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-25 18:08:02,961 INFO L241 Difference]: Finished difference. Result has 681 places, 664 transitions, 36377 flow [2021-03-25 18:08:02,961 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=33089, PETRI_DIFFERENCE_MINUEND_PLACES=668, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=623, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=263, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=36377, PETRI_PLACES=681, PETRI_TRANSITIONS=664} [2021-03-25 18:08:02,961 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 643 predicate places. [2021-03-25 18:08:02,961 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:08:02,961 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 681 places, 664 transitions, 36377 flow [2021-03-25 18:08:02,961 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 681 places, 664 transitions, 36377 flow [2021-03-25 18:08:02,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 680 places, 664 transitions, 36377 flow [2021-03-25 18:08:03,932 INFO L129 PetriNetUnfolder]: 280/3786 cut-off events. [2021-03-25 18:08:03,932 INFO L130 PetriNetUnfolder]: For 226729/226877 co-relation queries the response was YES. [2021-03-25 18:08:03,980 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34021 conditions, 3786 events. 280/3786 cut-off events. For 226729/226877 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 57659 event pairs, 0 based on Foata normal form. 4/3734 useless extension candidates. Maximal degree in co-relation 33838. Up to 560 conditions per place. [2021-03-25 18:08:04,020 INFO L142 LiptonReduction]: Number of co-enabled transitions 4204 [2021-03-25 18:08:04,081 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:08:04,081 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:08:04,081 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1120 [2021-03-25 18:08:04,081 INFO L480 AbstractCegarLoop]: Abstraction has has 680 places, 664 transitions, 36377 flow [2021-03-25 18:08:04,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:04,082 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:08:04,082 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:08:04,082 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2021-03-25 18:08:04,082 INFO L428 AbstractCegarLoop]: === Iteration 186 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:08:04,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:08:04,082 INFO L82 PathProgramCache]: Analyzing trace with hash -2009725322, now seen corresponding path program 182 times [2021-03-25 18:08:04,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:08:04,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58404188] [2021-03-25 18:08:04,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:08:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:08:04,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:04,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:08:04,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:04,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:08:04,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:04,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:08:04,116 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:08:04,116 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:08:04,135 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:08:04,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:08:04,149 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:08:04,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:08:04,168 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:08:04,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:08:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:08:04,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58404188] [2021-03-25 18:08:04,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:08:04,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:08:04,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077370988] [2021-03-25 18:08:04,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:08:04,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:08:04,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:08:04,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:08:04,187 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:08:04,187 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 680 places, 664 transitions, 36377 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:04,187 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:08:04,187 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:08:04,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:08:05,876 INFO L129 PetriNetUnfolder]: 308/3928 cut-off events. [2021-03-25 18:08:05,876 INFO L130 PetriNetUnfolder]: For 236841/236947 co-relation queries the response was YES. [2021-03-25 18:08:05,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36844 conditions, 3928 events. 308/3928 cut-off events. For 236841/236947 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59687 event pairs, 13 based on Foata normal form. 10/3882 useless extension candidates. Maximal degree in co-relation 36660. Up to 681 conditions per place. [2021-03-25 18:08:05,949 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 397 selfloop transitions, 316 changer transitions 2/729 dead transitions. [2021-03-25 18:08:05,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 687 places, 729 transitions, 40734 flow [2021-03-25 18:08:05,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:08:05,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:08:05,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:08:05,951 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:08:05,951 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:08:05,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:08:05,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:08:05,951 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:08:05,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:05,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:05,952 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:05,952 INFO L185 Difference]: Start difference. First operand has 680 places, 664 transitions, 36377 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:08:05,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 687 places, 729 transitions, 40734 flow [2021-03-25 18:08:08,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 684 places, 729 transitions, 40467 flow, removed 74 selfloop flow, removed 3 redundant places. [2021-03-25 18:08:08,167 INFO L241 Difference]: Finished difference. Result has 689 places, 678 transitions, 37692 flow [2021-03-25 18:08:08,167 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=36131, PETRI_DIFFERENCE_MINUEND_PLACES=677, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=664, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=302, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=37692, PETRI_PLACES=689, PETRI_TRANSITIONS=678} [2021-03-25 18:08:08,167 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 651 predicate places. [2021-03-25 18:08:08,167 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:08:08,167 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 689 places, 678 transitions, 37692 flow [2021-03-25 18:08:08,168 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 689 places, 678 transitions, 37692 flow [2021-03-25 18:08:08,178 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 688 places, 678 transitions, 37692 flow [2021-03-25 18:08:09,205 INFO L129 PetriNetUnfolder]: 288/3882 cut-off events. [2021-03-25 18:08:09,205 INFO L130 PetriNetUnfolder]: For 239790/239911 co-relation queries the response was YES. [2021-03-25 18:08:09,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35252 conditions, 3882 events. 288/3882 cut-off events. For 239790/239911 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59316 event pairs, 0 based on Foata normal form. 4/3828 useless extension candidates. Maximal degree in co-relation 35066. Up to 576 conditions per place. [2021-03-25 18:08:09,295 INFO L142 LiptonReduction]: Number of co-enabled transitions 4298 [2021-03-25 18:08:09,357 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:08:09,357 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:08:09,358 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1191 [2021-03-25 18:08:09,358 INFO L480 AbstractCegarLoop]: Abstraction has has 688 places, 678 transitions, 37692 flow [2021-03-25 18:08:09,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:09,358 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:08:09,358 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:08:09,358 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2021-03-25 18:08:09,358 INFO L428 AbstractCegarLoop]: === Iteration 187 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:08:09,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:08:09,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1139899074, now seen corresponding path program 183 times [2021-03-25 18:08:09,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:08:09,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879393547] [2021-03-25 18:08:09,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:08:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:08:09,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:09,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:08:09,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:09,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:08:09,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:09,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:08:09,375 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:08:09,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:08:09,385 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:08:09,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:08:09,399 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:08:09,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:08:09,419 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:08:09,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:08:09,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:08:09,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879393547] [2021-03-25 18:08:09,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:08:09,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:08:09,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926299589] [2021-03-25 18:08:09,437 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:08:09,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:08:09,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:08:09,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:08:09,438 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:08:09,438 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 688 places, 678 transitions, 37692 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:09,438 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:08:09,438 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:08:09,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:08:11,180 INFO L129 PetriNetUnfolder]: 308/3947 cut-off events. [2021-03-25 18:08:11,180 INFO L130 PetriNetUnfolder]: For 245900/246003 co-relation queries the response was YES. [2021-03-25 18:08:11,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37428 conditions, 3947 events. 308/3947 cut-off events. For 245900/246003 co-relation queries the response was YES. Maximal size of possible extension queue 706. Compared 60016 event pairs, 17 based on Foata normal form. 7/3897 useless extension candidates. Maximal degree in co-relation 37241. Up to 732 conditions per place. [2021-03-25 18:08:11,242 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 438 selfloop transitions, 306 changer transitions 2/760 dead transitions. [2021-03-25 18:08:11,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 695 places, 760 transitions, 43079 flow [2021-03-25 18:08:11,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:08:11,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:08:11,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:08:11,243 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:08:11,243 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:08:11,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:08:11,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:08:11,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:08:11,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:11,244 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:11,244 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:11,244 INFO L185 Difference]: Start difference. First operand has 688 places, 678 transitions, 37692 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:08:11,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 695 places, 760 transitions, 43079 flow [2021-03-25 18:08:13,524 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 691 places, 760 transitions, 42583 flow, removed 35 selfloop flow, removed 4 redundant places. [2021-03-25 18:08:13,544 INFO L241 Difference]: Finished difference. Result has 697 places, 704 transitions, 39599 flow [2021-03-25 18:08:13,544 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=37220, PETRI_DIFFERENCE_MINUEND_PLACES=684, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=678, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=280, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=39599, PETRI_PLACES=697, PETRI_TRANSITIONS=704} [2021-03-25 18:08:13,545 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 659 predicate places. [2021-03-25 18:08:13,545 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:08:13,545 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 697 places, 704 transitions, 39599 flow [2021-03-25 18:08:13,545 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 697 places, 704 transitions, 39599 flow [2021-03-25 18:08:13,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 696 places, 704 transitions, 39599 flow [2021-03-25 18:08:14,567 INFO L129 PetriNetUnfolder]: 290/3905 cut-off events. [2021-03-25 18:08:14,567 INFO L130 PetriNetUnfolder]: For 250971/251089 co-relation queries the response was YES. [2021-03-25 18:08:14,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35939 conditions, 3905 events. 290/3905 cut-off events. For 250971/251089 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59777 event pairs, 0 based on Foata normal form. 5/3855 useless extension candidates. Maximal degree in co-relation 35749. Up to 580 conditions per place. [2021-03-25 18:08:14,664 INFO L142 LiptonReduction]: Number of co-enabled transitions 4468 [2021-03-25 18:08:14,731 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:08:14,731 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:08:14,731 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1186 [2021-03-25 18:08:14,731 INFO L480 AbstractCegarLoop]: Abstraction has has 696 places, 704 transitions, 39599 flow [2021-03-25 18:08:14,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:14,731 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:08:14,731 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:08:14,731 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2021-03-25 18:08:14,731 INFO L428 AbstractCegarLoop]: === Iteration 188 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:08:14,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:08:14,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1482690900, now seen corresponding path program 184 times [2021-03-25 18:08:14,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:08:14,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986668925] [2021-03-25 18:08:14,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:08:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:08:14,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:14,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:08:14,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:14,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:08:14,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:14,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:08:14,748 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:08:14,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:08:14,758 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:08:14,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:08:14,772 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:08:14,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:08:14,790 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:08:14,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:08:14,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:08:14,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986668925] [2021-03-25 18:08:14,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:08:14,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:08:14,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399946274] [2021-03-25 18:08:14,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:08:14,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:08:14,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:08:14,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:08:14,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:08:14,810 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 696 places, 704 transitions, 39599 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:14,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:08:14,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:08:14,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:08:16,652 INFO L129 PetriNetUnfolder]: 307/3937 cut-off events. [2021-03-25 18:08:16,652 INFO L130 PetriNetUnfolder]: For 255386/255497 co-relation queries the response was YES. [2021-03-25 18:08:16,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37877 conditions, 3937 events. 307/3937 cut-off events. For 255386/255497 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59792 event pairs, 13 based on Foata normal form. 13/3893 useless extension candidates. Maximal degree in co-relation 37686. Up to 681 conditions per place. [2021-03-25 18:08:16,715 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 395 selfloop transitions, 331 changer transitions 0/740 dead transitions. [2021-03-25 18:08:16,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 703 places, 740 transitions, 42732 flow [2021-03-25 18:08:16,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:08:16,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:08:16,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:08:16,716 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:08:16,716 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:08:16,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:08:16,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:08:16,716 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:08:16,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:16,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:16,717 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:16,717 INFO L185 Difference]: Start difference. First operand has 696 places, 704 transitions, 39599 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:08:16,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 703 places, 740 transitions, 42732 flow [2021-03-25 18:08:19,142 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 699 places, 740 transitions, 42400 flow, removed 59 selfloop flow, removed 4 redundant places. [2021-03-25 18:08:19,163 INFO L241 Difference]: Finished difference. Result has 702 places, 731 transitions, 41636 flow [2021-03-25 18:08:19,164 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=39304, PETRI_DIFFERENCE_MINUEND_PLACES=692, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=41636, PETRI_PLACES=702, PETRI_TRANSITIONS=731} [2021-03-25 18:08:19,164 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 664 predicate places. [2021-03-25 18:08:19,164 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:08:19,164 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 702 places, 731 transitions, 41636 flow [2021-03-25 18:08:19,164 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 702 places, 731 transitions, 41636 flow [2021-03-25 18:08:19,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 702 places, 731 transitions, 41636 flow [2021-03-25 18:08:20,195 INFO L129 PetriNetUnfolder]: 290/3904 cut-off events. [2021-03-25 18:08:20,195 INFO L130 PetriNetUnfolder]: For 259595/259720 co-relation queries the response was YES. [2021-03-25 18:08:20,255 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36365 conditions, 3904 events. 290/3904 cut-off events. For 259595/259720 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59795 event pairs, 0 based on Foata normal form. 9/3858 useless extension candidates. Maximal degree in co-relation 36174. Up to 580 conditions per place. [2021-03-25 18:08:20,301 INFO L142 LiptonReduction]: Number of co-enabled transitions 4620 [2021-03-25 18:08:20,373 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:08:20,373 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:08:20,373 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1209 [2021-03-25 18:08:20,373 INFO L480 AbstractCegarLoop]: Abstraction has has 702 places, 731 transitions, 41636 flow [2021-03-25 18:08:20,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:20,373 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:08:20,373 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:08:20,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2021-03-25 18:08:20,374 INFO L428 AbstractCegarLoop]: === Iteration 189 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:08:20,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:08:20,374 INFO L82 PathProgramCache]: Analyzing trace with hash 797139098, now seen corresponding path program 185 times [2021-03-25 18:08:20,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:08:20,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542629274] [2021-03-25 18:08:20,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:08:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:08:20,379 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:20,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:08:20,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:20,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:08:20,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:20,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:08:20,390 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:08:20,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:08:20,409 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:08:20,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:08:20,434 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:08:20,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:08:20,453 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:08:20,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:08:20,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:08:20,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542629274] [2021-03-25 18:08:20,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:08:20,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:08:20,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127864717] [2021-03-25 18:08:20,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:08:20,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:08:20,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:08:20,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:08:20,472 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:08:20,472 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 731 transitions, 41636 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:20,472 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:08:20,472 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:08:20,472 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:08:22,358 INFO L129 PetriNetUnfolder]: 307/3936 cut-off events. [2021-03-25 18:08:22,358 INFO L130 PetriNetUnfolder]: For 263701/263812 co-relation queries the response was YES. [2021-03-25 18:08:22,412 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38302 conditions, 3936 events. 307/3936 cut-off events. For 263701/263812 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59764 event pairs, 17 based on Foata normal form. 11/3889 useless extension candidates. Maximal degree in co-relation 38110. Up to 732 conditions per place. [2021-03-25 18:08:22,421 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 459 selfloop transitions, 319 changer transitions 0/792 dead transitions. [2021-03-25 18:08:22,422 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 709 places, 792 transitions, 46191 flow [2021-03-25 18:08:22,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:08:22,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:08:22,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:08:22,436 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:08:22,436 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:08:22,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:08:22,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:08:22,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:08:22,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:22,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:22,437 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:22,437 INFO L185 Difference]: Start difference. First operand has 702 places, 731 transitions, 41636 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:08:22,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 709 places, 792 transitions, 46191 flow [2021-03-25 18:08:24,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 707 places, 792 transitions, 45690 flow, removed 95 selfloop flow, removed 2 redundant places. [2021-03-25 18:08:24,979 INFO L241 Difference]: Finished difference. Result has 711 places, 746 transitions, 42892 flow [2021-03-25 18:08:24,980 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41191, PETRI_DIFFERENCE_MINUEND_PLACES=700, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42892, PETRI_PLACES=711, PETRI_TRANSITIONS=746} [2021-03-25 18:08:24,980 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 673 predicate places. [2021-03-25 18:08:24,980 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:08:24,980 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 711 places, 746 transitions, 42892 flow [2021-03-25 18:08:24,980 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 711 places, 746 transitions, 42892 flow [2021-03-25 18:08:24,992 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 711 places, 746 transitions, 42892 flow [2021-03-25 18:08:26,010 INFO L129 PetriNetUnfolder]: 290/3903 cut-off events. [2021-03-25 18:08:26,010 INFO L130 PetriNetUnfolder]: For 266619/266749 co-relation queries the response was YES. [2021-03-25 18:08:26,064 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36934 conditions, 3903 events. 290/3903 cut-off events. For 266619/266749 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59756 event pairs, 0 based on Foata normal form. 9/3855 useless extension candidates. Maximal degree in co-relation 36739. Up to 580 conditions per place. [2021-03-25 18:08:26,112 INFO L142 LiptonReduction]: Number of co-enabled transitions 4684 [2021-03-25 18:08:26,188 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:08:26,189 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:08:26,189 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1209 [2021-03-25 18:08:26,189 INFO L480 AbstractCegarLoop]: Abstraction has has 711 places, 746 transitions, 42892 flow [2021-03-25 18:08:26,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:26,189 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:08:26,189 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:08:26,189 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2021-03-25 18:08:26,189 INFO L428 AbstractCegarLoop]: === Iteration 190 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:08:26,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:08:26,190 INFO L82 PathProgramCache]: Analyzing trace with hash 2093644802, now seen corresponding path program 186 times [2021-03-25 18:08:26,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:08:26,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068847058] [2021-03-25 18:08:26,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:08:26,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:08:26,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:26,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:08:26,196 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:26,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:08:26,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:26,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:08:26,207 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:08:26,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:08:26,224 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:08:26,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:08:26,248 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:08:26,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:08:26,267 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:08:26,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:08:26,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:08:26,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068847058] [2021-03-25 18:08:26,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:08:26,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:08:26,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016216660] [2021-03-25 18:08:26,286 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:08:26,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:08:26,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:08:26,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:08:26,286 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:08:26,286 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 711 places, 746 transitions, 42892 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:26,287 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:08:26,287 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:08:26,287 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:08:28,207 INFO L129 PetriNetUnfolder]: 307/3935 cut-off events. [2021-03-25 18:08:28,207 INFO L130 PetriNetUnfolder]: For 270753/270865 co-relation queries the response was YES. [2021-03-25 18:08:28,262 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38871 conditions, 3935 events. 307/3935 cut-off events. For 270753/270865 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59817 event pairs, 13 based on Foata normal form. 13/3891 useless extension candidates. Maximal degree in co-relation 38675. Up to 681 conditions per place. [2021-03-25 18:08:28,270 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 423 selfloop transitions, 330 changer transitions 0/767 dead transitions. [2021-03-25 18:08:28,271 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 718 places, 767 transitions, 45280 flow [2021-03-25 18:08:28,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:08:28,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:08:28,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:08:28,271 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:08:28,272 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:08:28,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:08:28,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:08:28,272 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:08:28,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:28,272 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:28,273 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:28,273 INFO L185 Difference]: Start difference. First operand has 711 places, 746 transitions, 42892 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:08:28,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 718 places, 767 transitions, 45280 flow [2021-03-25 18:08:30,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 717 places, 767 transitions, 45014 flow, removed 56 selfloop flow, removed 1 redundant places. [2021-03-25 18:08:30,876 INFO L241 Difference]: Finished difference. Result has 719 places, 752 transitions, 43683 flow [2021-03-25 18:08:30,877 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=42626, PETRI_DIFFERENCE_MINUEND_PLACES=710, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=746, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=324, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43683, PETRI_PLACES=719, PETRI_TRANSITIONS=752} [2021-03-25 18:08:30,877 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 681 predicate places. [2021-03-25 18:08:30,877 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:08:30,877 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 719 places, 752 transitions, 43683 flow [2021-03-25 18:08:30,877 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 719 places, 752 transitions, 43683 flow [2021-03-25 18:08:30,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 719 places, 752 transitions, 43683 flow [2021-03-25 18:08:31,886 INFO L129 PetriNetUnfolder]: 290/3902 cut-off events. [2021-03-25 18:08:31,886 INFO L130 PetriNetUnfolder]: For 272755/272885 co-relation queries the response was YES. [2021-03-25 18:08:31,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37646 conditions, 3902 events. 290/3902 cut-off events. For 272755/272885 co-relation queries the response was YES. Maximal size of possible extension queue 704. Compared 59634 event pairs, 0 based on Foata normal form. 9/3856 useless extension candidates. Maximal degree in co-relation 37449. Up to 580 conditions per place. [2021-03-25 18:08:31,985 INFO L142 LiptonReduction]: Number of co-enabled transitions 4702 [2021-03-25 18:08:32,070 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:08:32,070 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:08:32,070 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1193 [2021-03-25 18:08:32,070 INFO L480 AbstractCegarLoop]: Abstraction has has 719 places, 752 transitions, 43683 flow [2021-03-25 18:08:32,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:32,071 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:08:32,071 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:08:32,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2021-03-25 18:08:32,071 INFO L428 AbstractCegarLoop]: === Iteration 191 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:08:32,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:08:32,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1438270516, now seen corresponding path program 187 times [2021-03-25 18:08:32,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:08:32,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820517249] [2021-03-25 18:08:32,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:08:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:08:32,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:32,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:08:32,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:32,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:08:32,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:32,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:08:32,088 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:08:32,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:08:32,105 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:08:32,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:08:32,119 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:08:32,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:08:32,138 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:08:32,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:08:32,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:08:32,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820517249] [2021-03-25 18:08:32,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:08:32,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:08:32,157 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623498526] [2021-03-25 18:08:32,157 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:08:32,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:08:32,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:08:32,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:08:32,158 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:08:32,158 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 719 places, 752 transitions, 43683 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:32,158 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:08:32,158 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:08:32,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:08:34,103 INFO L129 PetriNetUnfolder]: 307/3934 cut-off events. [2021-03-25 18:08:34,104 INFO L130 PetriNetUnfolder]: For 277341/277455 co-relation queries the response was YES. [2021-03-25 18:08:34,159 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39585 conditions, 3934 events. 307/3934 cut-off events. For 277341/277455 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59785 event pairs, 13 based on Foata normal form. 14/3891 useless extension candidates. Maximal degree in co-relation 39387. Up to 681 conditions per place. [2021-03-25 18:08:34,168 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 424 selfloop transitions, 327 changer transitions 3/768 dead transitions. [2021-03-25 18:08:34,169 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 726 places, 768 transitions, 45793 flow [2021-03-25 18:08:34,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:08:34,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:08:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:08:34,170 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:08:34,170 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:08:34,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:08:34,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:08:34,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:08:34,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:34,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:34,170 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:34,171 INFO L185 Difference]: Start difference. First operand has 719 places, 752 transitions, 43683 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:08:34,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 726 places, 768 transitions, 45793 flow [2021-03-25 18:08:36,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 722 places, 768 transitions, 45138 flow, removed 34 selfloop flow, removed 4 redundant places. [2021-03-25 18:08:36,781 INFO L241 Difference]: Finished difference. Result has 724 places, 750 transitions, 43602 flow [2021-03-25 18:08:36,781 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43028, PETRI_DIFFERENCE_MINUEND_PLACES=715, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=752, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=425, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43602, PETRI_PLACES=724, PETRI_TRANSITIONS=750} [2021-03-25 18:08:36,781 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 686 predicate places. [2021-03-25 18:08:36,781 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:08:36,781 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 724 places, 750 transitions, 43602 flow [2021-03-25 18:08:36,782 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 724 places, 750 transitions, 43602 flow [2021-03-25 18:08:36,794 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 723 places, 750 transitions, 43602 flow [2021-03-25 18:08:37,796 INFO L129 PetriNetUnfolder]: 289/3891 cut-off events. [2021-03-25 18:08:37,796 INFO L130 PetriNetUnfolder]: For 274490/274620 co-relation queries the response was YES. [2021-03-25 18:08:37,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37968 conditions, 3891 events. 289/3891 cut-off events. For 274490/274620 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59494 event pairs, 0 based on Foata normal form. 9/3843 useless extension candidates. Maximal degree in co-relation 37770. Up to 578 conditions per place. [2021-03-25 18:08:37,901 INFO L142 LiptonReduction]: Number of co-enabled transitions 4698 [2021-03-25 18:08:37,987 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:08:37,987 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:08:37,987 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1206 [2021-03-25 18:08:37,987 INFO L480 AbstractCegarLoop]: Abstraction has has 723 places, 750 transitions, 43602 flow [2021-03-25 18:08:37,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:37,987 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:08:37,987 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:08:37,988 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2021-03-25 18:08:37,988 INFO L428 AbstractCegarLoop]: === Iteration 192 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:08:37,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:08:37,988 INFO L82 PathProgramCache]: Analyzing trace with hash -22014620, now seen corresponding path program 188 times [2021-03-25 18:08:37,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:08:37,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314634235] [2021-03-25 18:08:37,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:08:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:08:37,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:37,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:08:37,996 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:37,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:08:38,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:38,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:08:38,007 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:08:38,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:08:38,017 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:08:38,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:08:38,033 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:08:38,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:08:38,054 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:08:38,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:08:38,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:08:38,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314634235] [2021-03-25 18:08:38,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:08:38,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:08:38,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800117057] [2021-03-25 18:08:38,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:08:38,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:08:38,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:08:38,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:08:38,074 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:08:38,074 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 723 places, 750 transitions, 43602 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:38,074 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:08:38,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:08:38,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:08:40,130 INFO L129 PetriNetUnfolder]: 306/3923 cut-off events. [2021-03-25 18:08:40,130 INFO L130 PetriNetUnfolder]: For 279510/279624 co-relation queries the response was YES. [2021-03-25 18:08:40,180 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39902 conditions, 3923 events. 306/3923 cut-off events. For 279510/279624 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59595 event pairs, 13 based on Foata normal form. 14/3881 useless extension candidates. Maximal degree in co-relation 39703. Up to 681 conditions per place. [2021-03-25 18:08:40,188 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 398 selfloop transitions, 347 changer transitions 0/759 dead transitions. [2021-03-25 18:08:40,188 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 730 places, 759 transitions, 45364 flow [2021-03-25 18:08:40,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:08:40,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:08:40,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:08:40,189 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:08:40,189 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:08:40,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:08:40,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:08:40,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:08:40,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:40,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:40,191 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:40,191 INFO L185 Difference]: Start difference. First operand has 723 places, 750 transitions, 43602 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:08:40,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 730 places, 759 transitions, 45364 flow [2021-03-25 18:08:42,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 725 places, 759 transitions, 44703 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-03-25 18:08:42,647 INFO L241 Difference]: Finished difference. Result has 726 places, 750 transitions, 43646 flow [2021-03-25 18:08:42,647 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=42949, PETRI_DIFFERENCE_MINUEND_PLACES=718, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=750, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=347, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43646, PETRI_PLACES=726, PETRI_TRANSITIONS=750} [2021-03-25 18:08:42,647 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 688 predicate places. [2021-03-25 18:08:42,647 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:08:42,647 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 726 places, 750 transitions, 43646 flow [2021-03-25 18:08:42,647 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 726 places, 750 transitions, 43646 flow [2021-03-25 18:08:42,659 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 726 places, 750 transitions, 43646 flow [2021-03-25 18:08:43,670 INFO L129 PetriNetUnfolder]: 289/3890 cut-off events. [2021-03-25 18:08:43,670 INFO L130 PetriNetUnfolder]: For 274393/274522 co-relation queries the response was YES. [2021-03-25 18:08:43,725 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37996 conditions, 3890 events. 289/3890 cut-off events. For 274393/274522 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59509 event pairs, 0 based on Foata normal form. 9/3843 useless extension candidates. Maximal degree in co-relation 37798. Up to 578 conditions per place. [2021-03-25 18:08:43,774 INFO L142 LiptonReduction]: Number of co-enabled transitions 4698 [2021-03-25 18:08:43,862 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:08:43,862 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:08:43,862 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1215 [2021-03-25 18:08:43,862 INFO L480 AbstractCegarLoop]: Abstraction has has 726 places, 750 transitions, 43646 flow [2021-03-25 18:08:43,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:43,863 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:08:43,863 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:08:43,863 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2021-03-25 18:08:43,863 INFO L428 AbstractCegarLoop]: === Iteration 193 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:08:43,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:08:43,863 INFO L82 PathProgramCache]: Analyzing trace with hash 2126781916, now seen corresponding path program 189 times [2021-03-25 18:08:43,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:08:43,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135630445] [2021-03-25 18:08:43,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:08:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:08:43,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:43,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:08:43,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:43,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:08:43,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:43,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:08:43,880 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:08:43,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:08:43,890 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:08:43,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:08:43,914 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:08:43,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:08:43,933 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:08:43,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:08:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:08:43,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135630445] [2021-03-25 18:08:43,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:08:43,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:08:43,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700713607] [2021-03-25 18:08:43,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:08:43,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:08:43,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:08:43,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:08:43,952 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:08:43,952 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 726 places, 750 transitions, 43646 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:43,953 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:08:43,953 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:08:43,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:08:46,031 INFO L129 PetriNetUnfolder]: 306/3922 cut-off events. [2021-03-25 18:08:46,032 INFO L130 PetriNetUnfolder]: For 279379/279492 co-relation queries the response was YES. [2021-03-25 18:08:46,088 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39929 conditions, 3922 events. 306/3922 cut-off events. For 279379/279492 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59581 event pairs, 13 based on Foata normal form. 14/3880 useless extension candidates. Maximal degree in co-relation 39730. Up to 681 conditions per place. [2021-03-25 18:08:46,096 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 401 selfloop transitions, 344 changer transitions 0/759 dead transitions. [2021-03-25 18:08:46,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 733 places, 759 transitions, 45408 flow [2021-03-25 18:08:46,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:08:46,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:08:46,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:08:46,097 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:08:46,097 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:08:46,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:08:46,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:08:46,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:08:46,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:46,098 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:46,098 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:46,098 INFO L185 Difference]: Start difference. First operand has 726 places, 750 transitions, 43646 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:08:46,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 733 places, 759 transitions, 45408 flow [2021-03-25 18:08:48,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 731 places, 759 transitions, 44948 flow, removed 18 selfloop flow, removed 2 redundant places. [2021-03-25 18:08:48,539 INFO L241 Difference]: Finished difference. Result has 732 places, 750 transitions, 43877 flow [2021-03-25 18:08:48,540 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43186, PETRI_DIFFERENCE_MINUEND_PLACES=724, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=750, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=344, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43877, PETRI_PLACES=732, PETRI_TRANSITIONS=750} [2021-03-25 18:08:48,540 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 694 predicate places. [2021-03-25 18:08:48,540 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:08:48,540 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 732 places, 750 transitions, 43877 flow [2021-03-25 18:08:48,541 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 732 places, 750 transitions, 43877 flow [2021-03-25 18:08:48,556 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 732 places, 750 transitions, 43877 flow [2021-03-25 18:08:49,574 INFO L129 PetriNetUnfolder]: 289/3889 cut-off events. [2021-03-25 18:08:49,574 INFO L130 PetriNetUnfolder]: For 278427/278569 co-relation queries the response was YES. [2021-03-25 18:08:49,629 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38604 conditions, 3889 events. 289/3889 cut-off events. For 278427/278569 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 59520 event pairs, 0 based on Foata normal form. 9/3841 useless extension candidates. Maximal degree in co-relation 38405. Up to 578 conditions per place. [2021-03-25 18:08:49,675 INFO L142 LiptonReduction]: Number of co-enabled transitions 4698 [2021-03-25 18:08:49,760 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:08:49,760 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:08:49,760 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1220 [2021-03-25 18:08:49,760 INFO L480 AbstractCegarLoop]: Abstraction has has 732 places, 750 transitions, 43877 flow [2021-03-25 18:08:49,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:49,760 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:08:49,760 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:08:49,760 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2021-03-25 18:08:49,760 INFO L428 AbstractCegarLoop]: === Iteration 194 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:08:49,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:08:49,761 INFO L82 PathProgramCache]: Analyzing trace with hash -2138277896, now seen corresponding path program 190 times [2021-03-25 18:08:49,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:08:49,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839640810] [2021-03-25 18:08:49,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:08:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:08:49,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:49,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:08:49,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:49,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:08:49,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:49,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:08:49,777 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:08:49,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:08:49,787 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:08:49,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:08:49,814 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:08:49,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:08:49,833 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:08:49,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:08:49,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:08:49,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839640810] [2021-03-25 18:08:49,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:08:49,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:08:49,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079313354] [2021-03-25 18:08:49,851 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:08:49,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:08:49,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:08:49,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:08:49,852 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:08:49,852 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 732 places, 750 transitions, 43877 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:49,852 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:08:49,852 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:08:49,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:08:51,725 INFO L129 PetriNetUnfolder]: 306/3921 cut-off events. [2021-03-25 18:08:51,725 INFO L130 PetriNetUnfolder]: For 283703/283814 co-relation queries the response was YES. [2021-03-25 18:08:51,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40539 conditions, 3921 events. 306/3921 cut-off events. For 283703/283814 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59505 event pairs, 13 based on Foata normal form. 13/3877 useless extension candidates. Maximal degree in co-relation 40339. Up to 681 conditions per place. [2021-03-25 18:08:51,790 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 401 selfloop transitions, 344 changer transitions 0/759 dead transitions. [2021-03-25 18:08:51,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 739 places, 759 transitions, 45647 flow [2021-03-25 18:08:51,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:08:51,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:08:51,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:08:51,791 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:08:51,791 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:08:51,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:08:51,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:08:51,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:08:51,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:51,791 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:51,791 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:51,792 INFO L185 Difference]: Start difference. First operand has 732 places, 750 transitions, 43877 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:08:51,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 739 places, 759 transitions, 45647 flow [2021-03-25 18:08:54,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 736 places, 759 transitions, 45040 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-03-25 18:08:54,471 INFO L241 Difference]: Finished difference. Result has 737 places, 750 transitions, 43961 flow [2021-03-25 18:08:54,472 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43270, PETRI_DIFFERENCE_MINUEND_PLACES=729, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=750, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=344, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=406, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43961, PETRI_PLACES=737, PETRI_TRANSITIONS=750} [2021-03-25 18:08:54,472 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 699 predicate places. [2021-03-25 18:08:54,472 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:08:54,472 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 737 places, 750 transitions, 43961 flow [2021-03-25 18:08:54,472 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 737 places, 750 transitions, 43961 flow [2021-03-25 18:08:54,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 737 places, 750 transitions, 43961 flow [2021-03-25 18:08:55,498 INFO L129 PetriNetUnfolder]: 289/3888 cut-off events. [2021-03-25 18:08:55,498 INFO L130 PetriNetUnfolder]: For 282224/282353 co-relation queries the response was YES. [2021-03-25 18:08:55,556 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39061 conditions, 3888 events. 289/3888 cut-off events. For 282224/282353 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59426 event pairs, 0 based on Foata normal form. 9/3841 useless extension candidates. Maximal degree in co-relation 38861. Up to 578 conditions per place. [2021-03-25 18:08:55,604 INFO L142 LiptonReduction]: Number of co-enabled transitions 4698 [2021-03-25 18:08:55,691 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:08:55,691 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:08:55,691 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1219 [2021-03-25 18:08:55,691 INFO L480 AbstractCegarLoop]: Abstraction has has 737 places, 750 transitions, 43961 flow [2021-03-25 18:08:55,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:55,692 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:08:55,692 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:08:55,692 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2021-03-25 18:08:55,692 INFO L428 AbstractCegarLoop]: === Iteration 195 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:08:55,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:08:55,692 INFO L82 PathProgramCache]: Analyzing trace with hash 370728886, now seen corresponding path program 191 times [2021-03-25 18:08:55,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:08:55,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938819736] [2021-03-25 18:08:55,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:08:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:08:55,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:55,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:08:55,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:55,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:08:55,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:08:55,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:08:55,709 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:08:55,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:08:55,726 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:08:55,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:08:55,749 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:08:55,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:08:55,769 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:08:55,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:08:55,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:08:55,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938819736] [2021-03-25 18:08:55,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:08:55,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:08:55,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889504014] [2021-03-25 18:08:55,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:08:55,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:08:55,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:08:55,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:08:55,788 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:08:55,788 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 737 places, 750 transitions, 43961 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:55,788 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:08:55,788 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:08:55,788 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:08:57,632 INFO L129 PetriNetUnfolder]: 306/3920 cut-off events. [2021-03-25 18:08:57,632 INFO L130 PetriNetUnfolder]: For 288194/288305 co-relation queries the response was YES. [2021-03-25 18:08:57,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40994 conditions, 3920 events. 306/3920 cut-off events. For 288194/288305 co-relation queries the response was YES. Maximal size of possible extension queue 702. Compared 59472 event pairs, 13 based on Foata normal form. 13/3876 useless extension candidates. Maximal degree in co-relation 40793. Up to 681 conditions per place. [2021-03-25 18:08:57,699 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 422 selfloop transitions, 324 changer transitions 5/765 dead transitions. [2021-03-25 18:08:57,699 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 744 places, 765 transitions, 46051 flow [2021-03-25 18:08:57,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:08:57,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:08:57,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:08:57,700 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:08:57,700 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:08:57,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:08:57,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:08:57,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:08:57,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:57,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:57,701 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:08:57,701 INFO L185 Difference]: Start difference. First operand has 737 places, 750 transitions, 43961 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:08:57,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 744 places, 765 transitions, 46051 flow [2021-03-25 18:09:00,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 765 transitions, 45375 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-25 18:09:00,519 INFO L241 Difference]: Finished difference. Result has 741 places, 748 transitions, 43843 flow [2021-03-25 18:09:00,519 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43285, PETRI_DIFFERENCE_MINUEND_PLACES=732, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=750, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=322, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=426, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43843, PETRI_PLACES=741, PETRI_TRANSITIONS=748} [2021-03-25 18:09:00,519 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 703 predicate places. [2021-03-25 18:09:00,519 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:09:00,519 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 741 places, 748 transitions, 43843 flow [2021-03-25 18:09:00,519 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 741 places, 748 transitions, 43843 flow [2021-03-25 18:09:00,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 739 places, 748 transitions, 43843 flow [2021-03-25 18:09:01,672 INFO L129 PetriNetUnfolder]: 288/3871 cut-off events. [2021-03-25 18:09:01,672 INFO L130 PetriNetUnfolder]: For 285367/285496 co-relation queries the response was YES. [2021-03-25 18:09:01,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39253 conditions, 3871 events. 288/3871 cut-off events. For 285367/285496 co-relation queries the response was YES. Maximal size of possible extension queue 700. Compared 59187 event pairs, 0 based on Foata normal form. 9/3824 useless extension candidates. Maximal degree in co-relation 39051. Up to 576 conditions per place. [2021-03-25 18:09:01,766 INFO L142 LiptonReduction]: Number of co-enabled transitions 4680 [2021-03-25 18:09:01,842 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:09:01,842 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:09:01,842 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1323 [2021-03-25 18:09:01,843 INFO L480 AbstractCegarLoop]: Abstraction has has 739 places, 748 transitions, 43843 flow [2021-03-25 18:09:01,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:01,843 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:09:01,843 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:09:01,843 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2021-03-25 18:09:01,843 INFO L428 AbstractCegarLoop]: === Iteration 196 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:09:01,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:09:01,843 INFO L82 PathProgramCache]: Analyzing trace with hash -2135869928, now seen corresponding path program 192 times [2021-03-25 18:09:01,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:09:01,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677553067] [2021-03-25 18:09:01,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:09:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:09:01,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:01,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:09:01,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:01,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:09:01,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:01,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:09:01,863 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:09:01,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:09:01,880 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:09:01,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:09:01,901 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:09:01,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:09:01,920 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:09:01,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:09:01,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:09:01,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677553067] [2021-03-25 18:09:01,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:09:01,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:09:01,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143680090] [2021-03-25 18:09:01,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:09:01,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:09:01,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:09:01,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:09:01,956 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:09:01,956 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 739 places, 748 transitions, 43843 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:01,956 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:09:01,956 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:09:01,956 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:09:03,879 INFO L129 PetriNetUnfolder]: 305/3903 cut-off events. [2021-03-25 18:09:03,879 INFO L130 PetriNetUnfolder]: For 291505/291618 co-relation queries the response was YES. [2021-03-25 18:09:03,937 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41179 conditions, 3903 events. 305/3903 cut-off events. For 291505/291618 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 59186 event pairs, 13 based on Foata normal form. 14/3861 useless extension candidates. Maximal degree in co-relation 40976. Up to 681 conditions per place. [2021-03-25 18:09:03,946 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 417 selfloop transitions, 327 changer transitions 2/760 dead transitions. [2021-03-25 18:09:03,946 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 760 transitions, 45753 flow [2021-03-25 18:09:03,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:09:03,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:09:03,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:09:03,947 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:09:03,947 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:09:03,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:09:03,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:09:03,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:09:03,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:03,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:03,948 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:03,948 INFO L185 Difference]: Start difference. First operand has 739 places, 748 transitions, 43843 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:09:03,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 760 transitions, 45753 flow [2021-03-25 18:09:06,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 760 transitions, 44819 flow, removed 15 selfloop flow, removed 7 redundant places. [2021-03-25 18:09:06,577 INFO L241 Difference]: Finished difference. Result has 741 places, 749 transitions, 43653 flow [2021-03-25 18:09:06,577 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=42925, PETRI_DIFFERENCE_MINUEND_PLACES=732, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=748, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=324, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43653, PETRI_PLACES=741, PETRI_TRANSITIONS=749} [2021-03-25 18:09:06,577 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 703 predicate places. [2021-03-25 18:09:06,577 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:09:06,578 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 741 places, 749 transitions, 43653 flow [2021-03-25 18:09:06,578 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 741 places, 749 transitions, 43653 flow [2021-03-25 18:09:06,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 739 places, 749 transitions, 43653 flow [2021-03-25 18:09:07,645 INFO L129 PetriNetUnfolder]: 287/3861 cut-off events. [2021-03-25 18:09:07,646 INFO L130 PetriNetUnfolder]: For 279076/279206 co-relation queries the response was YES. [2021-03-25 18:09:07,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38665 conditions, 3861 events. 287/3861 cut-off events. For 279076/279206 co-relation queries the response was YES. Maximal size of possible extension queue 698. Compared 58962 event pairs, 0 based on Foata normal form. 9/3814 useless extension candidates. Maximal degree in co-relation 38463. Up to 574 conditions per place. [2021-03-25 18:09:07,746 INFO L142 LiptonReduction]: Number of co-enabled transitions 4684 [2021-03-25 18:09:07,821 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:09:07,821 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:09:07,821 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1244 [2021-03-25 18:09:07,821 INFO L480 AbstractCegarLoop]: Abstraction has has 739 places, 749 transitions, 43653 flow [2021-03-25 18:09:07,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:07,821 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:09:07,821 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:09:07,821 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2021-03-25 18:09:07,822 INFO L428 AbstractCegarLoop]: === Iteration 197 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:09:07,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:09:07,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1924203468, now seen corresponding path program 193 times [2021-03-25 18:09:07,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:09:07,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224106189] [2021-03-25 18:09:07,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:09:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:09:07,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:07,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:09:07,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:07,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:09:07,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:07,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:09:07,838 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:09:07,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:09:07,849 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:09:07,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:09:07,863 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:09:07,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:09:07,882 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:09:07,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:09:07,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:09:07,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224106189] [2021-03-25 18:09:07,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:09:07,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:09:07,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655357782] [2021-03-25 18:09:07,901 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:09:07,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:09:07,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:09:07,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:09:07,902 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:09:07,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 739 places, 749 transitions, 43653 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:07,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:09:07,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:09:07,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:09:09,817 INFO L129 PetriNetUnfolder]: 304/3893 cut-off events. [2021-03-25 18:09:09,817 INFO L130 PetriNetUnfolder]: For 284750/284863 co-relation queries the response was YES. [2021-03-25 18:09:09,872 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40589 conditions, 3893 events. 304/3893 cut-off events. For 284750/284863 co-relation queries the response was YES. Maximal size of possible extension queue 698. Compared 58990 event pairs, 13 based on Foata normal form. 14/3850 useless extension candidates. Maximal degree in co-relation 40386. Up to 681 conditions per place. [2021-03-25 18:09:09,881 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 397 selfloop transitions, 347 changer transitions 0/758 dead transitions. [2021-03-25 18:09:09,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 746 places, 758 transitions, 45429 flow [2021-03-25 18:09:09,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:09:09,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:09:09,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:09:09,882 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:09:09,882 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:09:09,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:09:09,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:09:09,882 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:09:09,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:09,883 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:09,883 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:09,883 INFO L185 Difference]: Start difference. First operand has 739 places, 749 transitions, 43653 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:09:09,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 746 places, 758 transitions, 45429 flow [2021-03-25 18:09:12,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 740 places, 758 transitions, 44743 flow, removed 21 selfloop flow, removed 6 redundant places. [2021-03-25 18:09:12,509 INFO L241 Difference]: Finished difference. Result has 741 places, 749 transitions, 43672 flow [2021-03-25 18:09:12,509 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=42975, PETRI_DIFFERENCE_MINUEND_PLACES=733, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=749, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=347, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=43672, PETRI_PLACES=741, PETRI_TRANSITIONS=749} [2021-03-25 18:09:12,510 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 703 predicate places. [2021-03-25 18:09:12,510 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:09:12,510 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 741 places, 749 transitions, 43672 flow [2021-03-25 18:09:12,510 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 741 places, 749 transitions, 43672 flow [2021-03-25 18:09:12,522 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 741 places, 749 transitions, 43672 flow [2021-03-25 18:09:13,551 INFO L129 PetriNetUnfolder]: 287/3860 cut-off events. [2021-03-25 18:09:13,551 INFO L130 PetriNetUnfolder]: For 278910/279072 co-relation queries the response was YES. [2021-03-25 18:09:13,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38667 conditions, 3860 events. 287/3860 cut-off events. For 278910/279072 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 58862 event pairs, 0 based on Foata normal form. 8/3809 useless extension candidates. Maximal degree in co-relation 38466. Up to 574 conditions per place. [2021-03-25 18:09:13,656 INFO L142 LiptonReduction]: Number of co-enabled transitions 4684 [2021-03-25 18:09:13,734 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:09:13,734 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:09:13,734 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1224 [2021-03-25 18:09:13,734 INFO L480 AbstractCegarLoop]: Abstraction has has 741 places, 749 transitions, 43672 flow [2021-03-25 18:09:13,734 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:13,734 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:09:13,734 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:09:13,734 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2021-03-25 18:09:13,735 INFO L428 AbstractCegarLoop]: === Iteration 198 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:09:13,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:09:13,735 INFO L82 PathProgramCache]: Analyzing trace with hash -1919369334, now seen corresponding path program 194 times [2021-03-25 18:09:13,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:09:13,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811912256] [2021-03-25 18:09:13,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:09:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:09:13,739 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:13,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:09:13,740 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:13,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:09:13,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:13,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:09:13,751 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:09:13,751 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:09:13,761 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:09:13,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:09:13,776 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:09:13,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:09:13,795 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:09:13,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:09:13,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:09:13,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811912256] [2021-03-25 18:09:13,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:09:13,814 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:09:13,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139531650] [2021-03-25 18:09:13,814 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:09:13,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:09:13,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:09:13,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:09:13,815 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:09:13,815 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 741 places, 749 transitions, 43672 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:13,815 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:09:13,815 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:09:13,815 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:09:15,767 INFO L129 PetriNetUnfolder]: 304/3892 cut-off events. [2021-03-25 18:09:15,767 INFO L130 PetriNetUnfolder]: For 284102/284215 co-relation queries the response was YES. [2021-03-25 18:09:15,824 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40590 conditions, 3892 events. 304/3892 cut-off events. For 284102/284215 co-relation queries the response was YES. Maximal size of possible extension queue 698. Compared 59124 event pairs, 13 based on Foata normal form. 14/3849 useless extension candidates. Maximal degree in co-relation 40388. Up to 681 conditions per place. [2021-03-25 18:09:15,833 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 392 selfloop transitions, 337 changer transitions 15/758 dead transitions. [2021-03-25 18:09:15,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 748 places, 758 transitions, 45448 flow [2021-03-25 18:09:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:09:15,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:09:15,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:09:15,834 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:09:15,834 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:09:15,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:09:15,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:09:15,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:09:15,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:15,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:15,835 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:15,835 INFO L185 Difference]: Start difference. First operand has 741 places, 749 transitions, 43672 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:09:15,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 748 places, 758 transitions, 45448 flow [2021-03-25 18:09:18,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 744 places, 758 transitions, 44786 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 18:09:18,573 INFO L241 Difference]: Finished difference. Result has 745 places, 734 transitions, 42588 flow [2021-03-25 18:09:18,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43010, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=749, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=337, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=412, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42588, PETRI_PLACES=745, PETRI_TRANSITIONS=734} [2021-03-25 18:09:18,573 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 707 predicate places. [2021-03-25 18:09:18,573 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:09:18,573 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 745 places, 734 transitions, 42588 flow [2021-03-25 18:09:18,573 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 745 places, 734 transitions, 42588 flow [2021-03-25 18:09:18,585 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 738 places, 734 transitions, 42588 flow [2021-03-25 18:09:19,582 INFO L129 PetriNetUnfolder]: 286/3818 cut-off events. [2021-03-25 18:09:19,582 INFO L130 PetriNetUnfolder]: For 277240/277379 co-relation queries the response was YES. [2021-03-25 18:09:19,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38401 conditions, 3818 events. 286/3818 cut-off events. For 277240/277379 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58057 event pairs, 0 based on Foata normal form. 9/3772 useless extension candidates. Maximal degree in co-relation 38199. Up to 572 conditions per place. [2021-03-25 18:09:19,688 INFO L142 LiptonReduction]: Number of co-enabled transitions 4528 [2021-03-25 18:09:19,769 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:09:19,769 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:09:19,769 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1196 [2021-03-25 18:09:19,769 INFO L480 AbstractCegarLoop]: Abstraction has has 738 places, 734 transitions, 42588 flow [2021-03-25 18:09:19,770 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:19,770 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:09:19,770 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:09:19,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2021-03-25 18:09:19,770 INFO L428 AbstractCegarLoop]: === Iteration 199 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:09:19,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:09:19,770 INFO L82 PathProgramCache]: Analyzing trace with hash 108441218, now seen corresponding path program 195 times [2021-03-25 18:09:19,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:09:19,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865185416] [2021-03-25 18:09:19,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:09:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:09:19,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:19,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:09:19,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:19,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:09:19,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:19,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:09:19,787 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:09:19,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:09:19,803 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:09:19,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:09:19,825 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:09:19,825 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:09:19,844 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:09:19,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:09:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:09:19,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865185416] [2021-03-25 18:09:19,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:09:19,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:09:19,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121054372] [2021-03-25 18:09:19,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:09:19,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:09:19,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:09:19,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:09:19,870 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:09:19,871 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 738 places, 734 transitions, 42588 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:19,871 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:09:19,871 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:09:19,871 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:09:21,777 INFO L129 PetriNetUnfolder]: 303/3850 cut-off events. [2021-03-25 18:09:21,777 INFO L130 PetriNetUnfolder]: For 283253/283364 co-relation queries the response was YES. [2021-03-25 18:09:21,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40306 conditions, 3850 events. 303/3850 cut-off events. For 283253/283364 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58192 event pairs, 13 based on Foata normal form. 13/3809 useless extension candidates. Maximal degree in co-relation 40103. Up to 681 conditions per place. [2021-03-25 18:09:21,842 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 389 selfloop transitions, 338 changer transitions 2/743 dead transitions. [2021-03-25 18:09:21,842 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 745 places, 743 transitions, 44342 flow [2021-03-25 18:09:21,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:09:21,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:09:21,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:09:21,843 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:09:21,843 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:09:21,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:09:21,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:09:21,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:09:21,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:21,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:21,844 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:21,844 INFO L185 Difference]: Start difference. First operand has 738 places, 734 transitions, 42588 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:09:21,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 745 places, 743 transitions, 44342 flow [2021-03-25 18:09:24,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 734 places, 743 transitions, 43616 flow, removed 32 selfloop flow, removed 11 redundant places. [2021-03-25 18:09:24,364 INFO L241 Difference]: Finished difference. Result has 736 places, 734 transitions, 42627 flow [2021-03-25 18:09:24,364 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41910, PETRI_DIFFERENCE_MINUEND_PLACES=727, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=734, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=336, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42627, PETRI_PLACES=736, PETRI_TRANSITIONS=734} [2021-03-25 18:09:24,365 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 698 predicate places. [2021-03-25 18:09:24,365 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:09:24,365 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 736 places, 734 transitions, 42627 flow [2021-03-25 18:09:24,365 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 736 places, 734 transitions, 42627 flow [2021-03-25 18:09:24,377 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 735 places, 734 transitions, 42627 flow [2021-03-25 18:09:25,349 INFO L129 PetriNetUnfolder]: 285/3808 cut-off events. [2021-03-25 18:09:25,349 INFO L130 PetriNetUnfolder]: For 260912/261042 co-relation queries the response was YES. [2021-03-25 18:09:25,413 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36455 conditions, 3808 events. 285/3808 cut-off events. For 260912/261042 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 57977 event pairs, 0 based on Foata normal form. 9/3765 useless extension candidates. Maximal degree in co-relation 36258. Up to 570 conditions per place. [2021-03-25 18:09:25,459 INFO L142 LiptonReduction]: Number of co-enabled transitions 4528 [2021-03-25 18:09:25,540 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:09:25,540 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:09:25,540 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1175 [2021-03-25 18:09:25,540 INFO L480 AbstractCegarLoop]: Abstraction has has 735 places, 734 transitions, 42627 flow [2021-03-25 18:09:25,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:25,541 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:09:25,541 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:09:25,541 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2021-03-25 18:09:25,541 INFO L428 AbstractCegarLoop]: === Iteration 200 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:09:25,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:09:25,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1079292340, now seen corresponding path program 196 times [2021-03-25 18:09:25,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:09:25,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418525109] [2021-03-25 18:09:25,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:09:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:09:25,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:25,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:09:25,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:25,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:09:25,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:25,554 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:09:25,562 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:09:25,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:09:25,580 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:09:25,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:09:25,606 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:09:25,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:09:25,628 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:09:25,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:09:25,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:09:25,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418525109] [2021-03-25 18:09:25,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:09:25,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:09:25,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335601128] [2021-03-25 18:09:25,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:09:25,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:09:25,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:09:25,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:09:25,650 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:09:25,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 735 places, 734 transitions, 42627 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:25,650 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:09:25,650 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:09:25,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:09:27,640 INFO L129 PetriNetUnfolder]: 302/3840 cut-off events. [2021-03-25 18:09:27,640 INFO L130 PetriNetUnfolder]: For 265047/265160 co-relation queries the response was YES. [2021-03-25 18:09:27,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38362 conditions, 3840 events. 302/3840 cut-off events. For 265047/265160 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 58030 event pairs, 13 based on Foata normal form. 14/3801 useless extension candidates. Maximal degree in co-relation 38164. Up to 681 conditions per place. [2021-03-25 18:09:27,697 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 388 selfloop transitions, 336 changer transitions 3/741 dead transitions. [2021-03-25 18:09:27,697 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 742 places, 741 transitions, 44251 flow [2021-03-25 18:09:27,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:09:27,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:09:27,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:09:27,698 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:09:27,698 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:09:27,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:09:27,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:09:27,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:09:27,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:27,699 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:27,699 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:27,699 INFO L185 Difference]: Start difference. First operand has 735 places, 734 transitions, 42627 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:09:27,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 742 places, 741 transitions, 44251 flow [2021-03-25 18:09:29,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 737 places, 741 transitions, 43604 flow, removed 18 selfloop flow, removed 5 redundant places. [2021-03-25 18:09:29,996 INFO L241 Difference]: Finished difference. Result has 738 places, 731 transitions, 42489 flow [2021-03-25 18:09:29,997 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41988, PETRI_DIFFERENCE_MINUEND_PLACES=730, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=734, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=336, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42489, PETRI_PLACES=738, PETRI_TRANSITIONS=731} [2021-03-25 18:09:29,997 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 700 predicate places. [2021-03-25 18:09:29,997 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:09:29,997 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 738 places, 731 transitions, 42489 flow [2021-03-25 18:09:29,997 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 738 places, 731 transitions, 42489 flow [2021-03-25 18:09:30,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 737 places, 731 transitions, 42489 flow [2021-03-25 18:09:30,981 INFO L129 PetriNetUnfolder]: 284/3797 cut-off events. [2021-03-25 18:09:30,981 INFO L130 PetriNetUnfolder]: For 259511/259641 co-relation queries the response was YES. [2021-03-25 18:09:31,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36407 conditions, 3797 events. 284/3797 cut-off events. For 259511/259641 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57722 event pairs, 0 based on Foata normal form. 9/3751 useless extension candidates. Maximal degree in co-relation 36211. Up to 568 conditions per place. [2021-03-25 18:09:31,079 INFO L142 LiptonReduction]: Number of co-enabled transitions 4512 [2021-03-25 18:09:31,161 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:09:31,161 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:09:31,161 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1164 [2021-03-25 18:09:31,161 INFO L480 AbstractCegarLoop]: Abstraction has has 737 places, 731 transitions, 42489 flow [2021-03-25 18:09:31,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:31,161 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:09:31,162 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:09:31,162 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2021-03-25 18:09:31,162 INFO L428 AbstractCegarLoop]: === Iteration 201 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:09:31,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:09:31,162 INFO L82 PathProgramCache]: Analyzing trace with hash -945786664, now seen corresponding path program 197 times [2021-03-25 18:09:31,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:09:31,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042159023] [2021-03-25 18:09:31,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:09:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:09:31,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:31,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:09:31,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:31,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:09:31,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:31,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:09:31,179 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:09:31,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:09:31,195 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:09:31,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:09:31,209 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:09:31,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:09:31,228 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:09:31,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:09:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:09:31,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042159023] [2021-03-25 18:09:31,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:09:31,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:09:31,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813255989] [2021-03-25 18:09:31,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:09:31,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:09:31,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:09:31,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:09:31,247 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:09:31,247 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 737 places, 731 transitions, 42489 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:31,247 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:09:31,247 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:09:31,247 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:09:33,140 INFO L129 PetriNetUnfolder]: 301/3829 cut-off events. [2021-03-25 18:09:33,140 INFO L130 PetriNetUnfolder]: For 263678/263791 co-relation queries the response was YES. [2021-03-25 18:09:33,194 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38310 conditions, 3829 events. 301/3829 cut-off events. For 263678/263791 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57869 event pairs, 13 based on Foata normal form. 14/3790 useless extension candidates. Maximal degree in co-relation 38113. Up to 681 conditions per place. [2021-03-25 18:09:33,202 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 381 selfloop transitions, 343 changer transitions 0/738 dead transitions. [2021-03-25 18:09:33,202 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 744 places, 738 transitions, 44107 flow [2021-03-25 18:09:33,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:09:33,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:09:33,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:09:33,203 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:09:33,203 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:09:33,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:09:33,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:09:33,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:09:33,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:33,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:33,204 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:33,204 INFO L185 Difference]: Start difference. First operand has 737 places, 731 transitions, 42489 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:09:33,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 744 places, 738 transitions, 44107 flow [2021-03-25 18:09:35,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 739 places, 738 transitions, 43437 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-25 18:09:35,650 INFO L241 Difference]: Finished difference. Result has 740 places, 731 transitions, 42516 flow [2021-03-25 18:09:35,651 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41827, PETRI_DIFFERENCE_MINUEND_PLACES=732, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=343, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42516, PETRI_PLACES=740, PETRI_TRANSITIONS=731} [2021-03-25 18:09:35,651 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 702 predicate places. [2021-03-25 18:09:35,651 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:09:35,651 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 740 places, 731 transitions, 42516 flow [2021-03-25 18:09:35,651 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 740 places, 731 transitions, 42516 flow [2021-03-25 18:09:35,666 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 740 places, 731 transitions, 42516 flow [2021-03-25 18:09:36,669 INFO L129 PetriNetUnfolder]: 284/3796 cut-off events. [2021-03-25 18:09:36,670 INFO L130 PetriNetUnfolder]: For 259379/259508 co-relation queries the response was YES. [2021-03-25 18:09:36,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36424 conditions, 3796 events. 284/3796 cut-off events. For 259379/259508 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 57703 event pairs, 0 based on Foata normal form. 9/3751 useless extension candidates. Maximal degree in co-relation 36228. Up to 568 conditions per place. [2021-03-25 18:09:36,773 INFO L142 LiptonReduction]: Number of co-enabled transitions 4512 [2021-03-25 18:09:36,855 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:09:36,855 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:09:36,855 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1204 [2021-03-25 18:09:36,856 INFO L480 AbstractCegarLoop]: Abstraction has has 740 places, 731 transitions, 42516 flow [2021-03-25 18:09:36,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:36,856 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:09:36,856 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:09:36,856 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2021-03-25 18:09:36,856 INFO L428 AbstractCegarLoop]: === Iteration 202 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:09:36,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:09:36,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1382576628, now seen corresponding path program 198 times [2021-03-25 18:09:36,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:09:36,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698382663] [2021-03-25 18:09:36,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:09:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:09:36,862 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:36,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:09:36,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:36,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:09:36,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:36,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:09:36,873 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:09:36,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:09:36,889 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-25 18:09:36,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 18:09:36,904 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:09:36,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:09:36,923 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:09:36,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:09:36,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:09:36,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698382663] [2021-03-25 18:09:36,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:09:36,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:09:36,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728502557] [2021-03-25 18:09:36,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:09:36,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:09:36,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:09:36,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:09:36,942 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:09:36,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 740 places, 731 transitions, 42516 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:36,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:09:36,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:09:36,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:09:38,791 INFO L129 PetriNetUnfolder]: 301/3828 cut-off events. [2021-03-25 18:09:38,791 INFO L130 PetriNetUnfolder]: For 263673/263786 co-relation queries the response was YES. [2021-03-25 18:09:38,846 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38326 conditions, 3828 events. 301/3828 cut-off events. For 263673/263786 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57843 event pairs, 13 based on Foata normal form. 14/3788 useless extension candidates. Maximal degree in co-relation 38129. Up to 681 conditions per place. [2021-03-25 18:09:38,854 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 383 selfloop transitions, 336 changer transitions 5/738 dead transitions. [2021-03-25 18:09:38,854 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 747 places, 738 transitions, 44134 flow [2021-03-25 18:09:38,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:09:38,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:09:38,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:09:38,855 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:09:38,855 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:09:38,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:09:38,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:09:38,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:09:38,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:38,856 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:38,856 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:38,856 INFO L185 Difference]: Start difference. First operand has 740 places, 731 transitions, 42516 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:09:38,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 747 places, 738 transitions, 44134 flow [2021-03-25 18:09:41,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 742 places, 738 transitions, 43415 flow, removed 20 selfloop flow, removed 5 redundant places. [2021-03-25 18:09:41,270 INFO L241 Difference]: Finished difference. Result has 743 places, 726 transitions, 42123 flow [2021-03-25 18:09:41,270 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41797, PETRI_DIFFERENCE_MINUEND_PLACES=735, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=336, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=42123, PETRI_PLACES=743, PETRI_TRANSITIONS=726} [2021-03-25 18:09:41,270 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 705 predicate places. [2021-03-25 18:09:41,270 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:09:41,270 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 743 places, 726 transitions, 42123 flow [2021-03-25 18:09:41,270 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 743 places, 726 transitions, 42123 flow [2021-03-25 18:09:41,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 740 places, 726 transitions, 42123 flow [2021-03-25 18:09:42,256 INFO L129 PetriNetUnfolder]: 283/3781 cut-off events. [2021-03-25 18:09:42,256 INFO L130 PetriNetUnfolder]: For 258589/258718 co-relation queries the response was YES. [2021-03-25 18:09:42,310 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36609 conditions, 3781 events. 283/3781 cut-off events. For 258589/258718 co-relation queries the response was YES. Maximal size of possible extension queue 683. Compared 57481 event pairs, 0 based on Foata normal form. 9/3739 useless extension candidates. Maximal degree in co-relation 36413. Up to 566 conditions per place. [2021-03-25 18:09:42,355 INFO L142 LiptonReduction]: Number of co-enabled transitions 4454 [2021-03-25 18:09:42,436 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:09:42,436 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:09:42,436 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1166 [2021-03-25 18:09:42,436 INFO L480 AbstractCegarLoop]: Abstraction has has 740 places, 726 transitions, 42123 flow [2021-03-25 18:09:42,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:42,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:09:42,437 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:09:42,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2021-03-25 18:09:42,437 INFO L428 AbstractCegarLoop]: === Iteration 203 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:09:42,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:09:42,437 INFO L82 PathProgramCache]: Analyzing trace with hash -217016436, now seen corresponding path program 199 times [2021-03-25 18:09:42,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:09:42,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706193049] [2021-03-25 18:09:42,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:09:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:09:42,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:42,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:09:42,445 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:42,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:09:42,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:42,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:09:42,458 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:09:42,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:09:42,475 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:09:42,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:09:42,497 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:09:42,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:09:42,517 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:09:42,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:09:42,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:09:42,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706193049] [2021-03-25 18:09:42,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:09:42,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:09:42,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150146884] [2021-03-25 18:09:42,536 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:09:42,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:09:42,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:09:42,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:09:42,537 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:09:42,537 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 740 places, 726 transitions, 42123 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:42,537 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:09:42,537 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:09:42,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:09:44,439 INFO L129 PetriNetUnfolder]: 300/3813 cut-off events. [2021-03-25 18:09:44,440 INFO L130 PetriNetUnfolder]: For 263032/263143 co-relation queries the response was YES. [2021-03-25 18:09:44,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38504 conditions, 3813 events. 300/3813 cut-off events. For 263032/263143 co-relation queries the response was YES. Maximal size of possible extension queue 682. Compared 57503 event pairs, 13 based on Foata normal form. 13/3774 useless extension candidates. Maximal degree in co-relation 38307. Up to 681 conditions per place. [2021-03-25 18:09:44,504 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 403 selfloop transitions, 312 changer transitions 4/733 dead transitions. [2021-03-25 18:09:44,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 747 places, 733 transitions, 43739 flow [2021-03-25 18:09:44,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:09:44,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:09:44,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-25 18:09:44,505 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-25 18:09:44,505 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-25 18:09:44,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-25 18:09:44,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:09:44,505 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-25 18:09:44,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:44,508 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:44,508 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:44,508 INFO L185 Difference]: Start difference. First operand has 740 places, 726 transitions, 42123 flow. Second operand 8 states and 466 transitions. [2021-03-25 18:09:44,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 747 places, 733 transitions, 43739 flow [2021-03-25 18:09:46,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 741 places, 733 transitions, 43055 flow, removed 13 selfloop flow, removed 6 redundant places. [2021-03-25 18:09:46,911 INFO L241 Difference]: Finished difference. Result has 742 places, 722 transitions, 41886 flow [2021-03-25 18:09:46,911 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41455, PETRI_DIFFERENCE_MINUEND_PLACES=734, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=312, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=41886, PETRI_PLACES=742, PETRI_TRANSITIONS=722} [2021-03-25 18:09:46,911 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 704 predicate places. [2021-03-25 18:09:46,911 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:09:46,911 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 742 places, 722 transitions, 41886 flow [2021-03-25 18:09:46,911 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 742 places, 722 transitions, 41886 flow [2021-03-25 18:09:46,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 740 places, 722 transitions, 41886 flow [2021-03-25 18:09:47,878 INFO L129 PetriNetUnfolder]: 282/3769 cut-off events. [2021-03-25 18:09:47,879 INFO L130 PetriNetUnfolder]: For 254823/254953 co-relation queries the response was YES. [2021-03-25 18:09:47,932 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36103 conditions, 3769 events. 282/3769 cut-off events. For 254823/254953 co-relation queries the response was YES. Maximal size of possible extension queue 679. Compared 57166 event pairs, 0 based on Foata normal form. 9/3726 useless extension candidates. Maximal degree in co-relation 35908. Up to 564 conditions per place. [2021-03-25 18:09:47,977 INFO L142 LiptonReduction]: Number of co-enabled transitions 4428 [2021-03-25 18:09:48,057 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:09:48,057 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:09:48,057 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1146 [2021-03-25 18:09:48,057 INFO L480 AbstractCegarLoop]: Abstraction has has 740 places, 722 transitions, 41886 flow [2021-03-25 18:09:48,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:48,057 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:09:48,057 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:09:48,058 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2021-03-25 18:09:48,058 INFO L428 AbstractCegarLoop]: === Iteration 204 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:09:48,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:09:48,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1537631428, now seen corresponding path program 200 times [2021-03-25 18:09:48,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:09:48,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821553180] [2021-03-25 18:09:48,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:09:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:09:48,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:48,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:09:48,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:48,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:09:48,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:48,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:09:48,075 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:09:48,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:09:48,091 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:09:48,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:09:48,112 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:09:48,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:09:48,131 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:09:48,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:09:48,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:09:48,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821553180] [2021-03-25 18:09:48,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:09:48,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:09:48,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709401375] [2021-03-25 18:09:48,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:09:48,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:09:48,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:09:48,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:09:48,150 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:09:48,151 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 740 places, 722 transitions, 41886 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:48,151 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:09:48,151 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:09:48,151 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:09:49,893 INFO L129 PetriNetUnfolder]: 299/3801 cut-off events. [2021-03-25 18:09:49,893 INFO L130 PetriNetUnfolder]: For 259079/259190 co-relation queries the response was YES. [2021-03-25 18:09:49,945 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37994 conditions, 3801 events. 299/3801 cut-off events. For 259079/259190 co-relation queries the response was YES. Maximal size of possible extension queue 679. Compared 57374 event pairs, 13 based on Foata normal form. 13/3762 useless extension candidates. Maximal degree in co-relation 37798. Up to 681 conditions per place. [2021-03-25 18:09:49,953 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 384 selfloop transitions, 327 changer transitions 4/729 dead transitions. [2021-03-25 18:09:49,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 747 places, 729 transitions, 43486 flow [2021-03-25 18:09:49,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:09:49,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:09:49,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-25 18:09:49,954 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-25 18:09:49,954 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-25 18:09:49,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-25 18:09:49,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:09:49,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-25 18:09:49,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:49,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:49,955 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:49,955 INFO L185 Difference]: Start difference. First operand has 740 places, 722 transitions, 41886 flow. Second operand 8 states and 466 transitions. [2021-03-25 18:09:49,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 747 places, 729 transitions, 43486 flow [2021-03-25 18:09:52,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 744 places, 729 transitions, 43050 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-25 18:09:52,380 INFO L241 Difference]: Finished difference. Result has 745 places, 718 transitions, 41901 flow [2021-03-25 18:09:52,380 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41458, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=722, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=41901, PETRI_PLACES=745, PETRI_TRANSITIONS=718} [2021-03-25 18:09:52,380 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 707 predicate places. [2021-03-25 18:09:52,380 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:09:52,380 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 745 places, 718 transitions, 41901 flow [2021-03-25 18:09:52,381 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 745 places, 718 transitions, 41901 flow [2021-03-25 18:09:52,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 743 places, 718 transitions, 41901 flow [2021-03-25 18:09:53,327 INFO L129 PetriNetUnfolder]: 281/3757 cut-off events. [2021-03-25 18:09:53,328 INFO L130 PetriNetUnfolder]: For 254866/254996 co-relation queries the response was YES. [2021-03-25 18:09:53,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36199 conditions, 3757 events. 281/3757 cut-off events. For 254866/254996 co-relation queries the response was YES. Maximal size of possible extension queue 676. Compared 57003 event pairs, 0 based on Foata normal form. 9/3713 useless extension candidates. Maximal degree in co-relation 36004. Up to 562 conditions per place. [2021-03-25 18:09:53,426 INFO L142 LiptonReduction]: Number of co-enabled transitions 4400 [2021-03-25 18:09:53,507 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:09:53,507 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:09:53,507 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1127 [2021-03-25 18:09:53,508 INFO L480 AbstractCegarLoop]: Abstraction has has 743 places, 718 transitions, 41901 flow [2021-03-25 18:09:53,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:53,508 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:09:53,508 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:09:53,508 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2021-03-25 18:09:53,508 INFO L428 AbstractCegarLoop]: === Iteration 205 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:09:53,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:09:53,508 INFO L82 PathProgramCache]: Analyzing trace with hash 474942320, now seen corresponding path program 201 times [2021-03-25 18:09:53,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:09:53,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777512522] [2021-03-25 18:09:53,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:09:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:09:53,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:53,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:09:53,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:53,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:09:53,519 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:53,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:09:53,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:53,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:09:53,538 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:09:53,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:09:53,552 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:09:53,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:09:53,584 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:09:53,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:09:53,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:09:53,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777512522] [2021-03-25 18:09:53,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:09:53,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:09:53,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558196728] [2021-03-25 18:09:53,608 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:09:53,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:09:53,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:09:53,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:09:53,609 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:09:53,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 743 places, 718 transitions, 41901 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:53,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:09:53,610 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:09:53,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:09:55,375 INFO L129 PetriNetUnfolder]: 304/3898 cut-off events. [2021-03-25 18:09:55,376 INFO L130 PetriNetUnfolder]: For 265624/265737 co-relation queries the response was YES. [2021-03-25 18:09:55,430 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39003 conditions, 3898 events. 304/3898 cut-off events. For 265624/265737 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 59087 event pairs, 13 based on Foata normal form. 12/3857 useless extension candidates. Maximal degree in co-relation 38807. Up to 695 conditions per place. [2021-03-25 18:09:55,438 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 483 selfloop transitions, 319 changer transitions 0/816 dead transitions. [2021-03-25 18:09:55,438 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 750 places, 816 transitions, 48646 flow [2021-03-25 18:09:55,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:09:55,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:09:55,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:09:55,439 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:09:55,439 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:09:55,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:09:55,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:09:55,440 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:09:55,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:55,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:55,440 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:55,440 INFO L185 Difference]: Start difference. First operand has 743 places, 718 transitions, 41901 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:09:55,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 750 places, 816 transitions, 48646 flow [2021-03-25 18:09:58,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 744 places, 816 transitions, 47892 flow, removed 19 selfloop flow, removed 6 redundant places. [2021-03-25 18:09:58,039 INFO L241 Difference]: Finished difference. Result has 749 places, 754 transitions, 44126 flow [2021-03-25 18:09:58,040 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=41219, PETRI_DIFFERENCE_MINUEND_PLACES=737, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=283, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44126, PETRI_PLACES=749, PETRI_TRANSITIONS=754} [2021-03-25 18:09:58,040 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 711 predicate places. [2021-03-25 18:09:58,040 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:09:58,040 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 749 places, 754 transitions, 44126 flow [2021-03-25 18:09:58,040 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 749 places, 754 transitions, 44126 flow [2021-03-25 18:09:58,052 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 749 places, 754 transitions, 44126 flow [2021-03-25 18:09:59,078 INFO L129 PetriNetUnfolder]: 291/3873 cut-off events. [2021-03-25 18:09:59,078 INFO L130 PetriNetUnfolder]: For 265868/265986 co-relation queries the response was YES. [2021-03-25 18:09:59,133 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37333 conditions, 3873 events. 291/3873 cut-off events. For 265868/265986 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 59056 event pairs, 0 based on Foata normal form. 1/3821 useless extension candidates. Maximal degree in co-relation 37135. Up to 582 conditions per place. [2021-03-25 18:09:59,181 INFO L142 LiptonReduction]: Number of co-enabled transitions 4568 [2021-03-25 18:09:59,272 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:09:59,272 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:09:59,272 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1232 [2021-03-25 18:09:59,273 INFO L480 AbstractCegarLoop]: Abstraction has has 749 places, 754 transitions, 44126 flow [2021-03-25 18:09:59,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:59,273 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:09:59,273 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:09:59,273 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2021-03-25 18:09:59,273 INFO L428 AbstractCegarLoop]: === Iteration 206 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:09:59,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:09:59,273 INFO L82 PathProgramCache]: Analyzing trace with hash -194105444, now seen corresponding path program 202 times [2021-03-25 18:09:59,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:09:59,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343575448] [2021-03-25 18:09:59,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:09:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:09:59,291 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:59,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:09:59,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:59,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:09:59,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:59,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:09:59,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:09:59,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:09:59,313 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:09:59,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:09:59,327 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:09:59,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:09:59,359 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:09:59,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:09:59,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:09:59,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343575448] [2021-03-25 18:09:59,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:09:59,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:09:59,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524708992] [2021-03-25 18:09:59,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:09:59,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:09:59,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:09:59,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:09:59,378 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:09:59,378 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 749 places, 754 transitions, 44126 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:09:59,378 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:09:59,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:09:59,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:10:01,173 INFO L129 PetriNetUnfolder]: 304/3897 cut-off events. [2021-03-25 18:10:01,173 INFO L130 PetriNetUnfolder]: For 269102/269204 co-relation queries the response was YES. [2021-03-25 18:10:01,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39091 conditions, 3897 events. 304/3897 cut-off events. For 269102/269204 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 59083 event pairs, 13 based on Foata normal form. 14/3859 useless extension candidates. Maximal degree in co-relation 38892. Up to 681 conditions per place. [2021-03-25 18:10:01,235 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 427 selfloop transitions, 345 changer transitions 0/786 dead transitions. [2021-03-25 18:10:01,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 756 places, 786 transitions, 47238 flow [2021-03-25 18:10:01,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:10:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:10:01,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:10:01,236 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:10:01,236 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:10:01,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:10:01,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:10:01,237 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:10:01,237 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:01,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:01,237 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:01,237 INFO L185 Difference]: Start difference. First operand has 749 places, 754 transitions, 44126 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:10:01,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 756 places, 786 transitions, 47238 flow [2021-03-25 18:10:03,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 754 places, 786 transitions, 46788 flow, removed 34 selfloop flow, removed 2 redundant places. [2021-03-25 18:10:03,897 INFO L241 Difference]: Finished difference. Result has 758 places, 772 transitions, 45643 flow [2021-03-25 18:10:03,897 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=43691, PETRI_DIFFERENCE_MINUEND_PLACES=747, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=754, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45643, PETRI_PLACES=758, PETRI_TRANSITIONS=772} [2021-03-25 18:10:03,897 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 720 predicate places. [2021-03-25 18:10:03,898 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:10:03,898 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 758 places, 772 transitions, 45643 flow [2021-03-25 18:10:03,898 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 758 places, 772 transitions, 45643 flow [2021-03-25 18:10:03,911 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 758 places, 772 transitions, 45643 flow [2021-03-25 18:10:05,068 INFO L129 PetriNetUnfolder]: 291/3872 cut-off events. [2021-03-25 18:10:05,068 INFO L130 PetriNetUnfolder]: For 274654/274831 co-relation queries the response was YES. [2021-03-25 18:10:05,119 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37999 conditions, 3872 events. 291/3872 cut-off events. For 274654/274831 co-relation queries the response was YES. Maximal size of possible extension queue 699. Compared 59258 event pairs, 0 based on Foata normal form. 1/3782 useless extension candidates. Maximal degree in co-relation 37797. Up to 582 conditions per place. [2021-03-25 18:10:05,162 INFO L142 LiptonReduction]: Number of co-enabled transitions 4614 [2021-03-25 18:10:05,245 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:10:05,245 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:10:05,245 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1348 [2021-03-25 18:10:05,246 INFO L480 AbstractCegarLoop]: Abstraction has has 758 places, 772 transitions, 45643 flow [2021-03-25 18:10:05,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:05,246 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:10:05,246 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:10:05,246 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2021-03-25 18:10:05,246 INFO L428 AbstractCegarLoop]: === Iteration 207 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:10:05,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:10:05,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1996832766, now seen corresponding path program 203 times [2021-03-25 18:10:05,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:10:05,246 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849353608] [2021-03-25 18:10:05,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:10:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:10:05,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:05,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:10:05,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:05,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:10:05,256 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:05,256 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:10:05,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:05,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:10:05,273 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:10:05,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:10:05,295 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:10:05,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:10:05,317 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:10:05,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:10:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:10:05,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849353608] [2021-03-25 18:10:05,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:10:05,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:10:05,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421222544] [2021-03-25 18:10:05,336 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:10:05,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:10:05,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:10:05,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:10:05,336 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:10:05,336 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 758 places, 772 transitions, 45643 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:05,336 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:10:05,336 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:10:05,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:10:07,368 INFO L129 PetriNetUnfolder]: 304/3896 cut-off events. [2021-03-25 18:10:07,369 INFO L130 PetriNetUnfolder]: For 278211/278336 co-relation queries the response was YES. [2021-03-25 18:10:07,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39755 conditions, 3896 events. 304/3896 cut-off events. For 278211/278336 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 59102 event pairs, 13 based on Foata normal form. 17/3861 useless extension candidates. Maximal degree in co-relation 39552. Up to 681 conditions per place. [2021-03-25 18:10:07,448 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 430 selfloop transitions, 340 changer transitions 2/786 dead transitions. [2021-03-25 18:10:07,448 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 765 places, 786 transitions, 47752 flow [2021-03-25 18:10:07,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:10:07,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:10:07,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:10:07,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:10:07,449 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:10:07,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:10:07,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:10:07,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:10:07,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:07,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:07,450 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:07,450 INFO L185 Difference]: Start difference. First operand has 758 places, 772 transitions, 45643 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:10:07,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 765 places, 786 transitions, 47752 flow [2021-03-25 18:10:10,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 762 places, 786 transitions, 47210 flow, removed 37 selfloop flow, removed 3 redundant places. [2021-03-25 18:10:10,285 INFO L241 Difference]: Finished difference. Result has 765 places, 775 transitions, 45960 flow [2021-03-25 18:10:10,286 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45101, PETRI_DIFFERENCE_MINUEND_PLACES=755, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=772, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=336, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=432, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45960, PETRI_PLACES=765, PETRI_TRANSITIONS=775} [2021-03-25 18:10:10,286 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 727 predicate places. [2021-03-25 18:10:10,286 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:10:10,286 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 765 places, 775 transitions, 45960 flow [2021-03-25 18:10:10,286 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 765 places, 775 transitions, 45960 flow [2021-03-25 18:10:10,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 764 places, 775 transitions, 45960 flow [2021-03-25 18:10:11,364 INFO L129 PetriNetUnfolder]: 290/3862 cut-off events. [2021-03-25 18:10:11,365 INFO L130 PetriNetUnfolder]: For 277218/277384 co-relation queries the response was YES. [2021-03-25 18:10:11,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38499 conditions, 3862 events. 290/3862 cut-off events. For 277218/277384 co-relation queries the response was YES. Maximal size of possible extension queue 694. Compared 58985 event pairs, 0 based on Foata normal form. 1/3776 useless extension candidates. Maximal degree in co-relation 38295. Up to 580 conditions per place. [2021-03-25 18:10:11,468 INFO L142 LiptonReduction]: Number of co-enabled transitions 4620 [2021-03-25 18:10:11,550 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:10:11,550 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:10:11,551 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1265 [2021-03-25 18:10:11,551 INFO L480 AbstractCegarLoop]: Abstraction has has 764 places, 775 transitions, 45960 flow [2021-03-25 18:10:11,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:11,551 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:10:11,551 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:10:11,551 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2021-03-25 18:10:11,551 INFO L428 AbstractCegarLoop]: === Iteration 208 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:10:11,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:10:11,552 INFO L82 PathProgramCache]: Analyzing trace with hash 2003408706, now seen corresponding path program 204 times [2021-03-25 18:10:11,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:10:11,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486448902] [2021-03-25 18:10:11,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:10:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:10:11,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:11,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:10:11,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:11,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:10:11,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:11,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:10:11,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:11,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:10:11,580 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:10:11,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:10:11,594 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:10:11,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:10:11,613 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:10:11,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:10:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:10:11,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486448902] [2021-03-25 18:10:11,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:10:11,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:10:11,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510660103] [2021-03-25 18:10:11,631 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:10:11,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:10:11,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:10:11,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:10:11,632 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:10:11,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 764 places, 775 transitions, 45960 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:11,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:10:11,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:10:11,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:10:13,608 INFO L129 PetriNetUnfolder]: 303/3886 cut-off events. [2021-03-25 18:10:13,608 INFO L130 PetriNetUnfolder]: For 281039/281158 co-relation queries the response was YES. [2021-03-25 18:10:13,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40251 conditions, 3886 events. 303/3886 cut-off events. For 281039/281158 co-relation queries the response was YES. Maximal size of possible extension queue 693. Compared 58935 event pairs, 13 based on Foata normal form. 17/3851 useless extension candidates. Maximal degree in co-relation 40046. Up to 681 conditions per place. [2021-03-25 18:10:13,673 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 427 selfloop transitions, 338 changer transitions 5/784 dead transitions. [2021-03-25 18:10:13,673 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 771 places, 784 transitions, 47823 flow [2021-03-25 18:10:13,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:10:13,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:10:13,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:10:13,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:10:13,674 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:10:13,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:10:13,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:10:13,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:10:13,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:13,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:13,675 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:13,675 INFO L185 Difference]: Start difference. First operand has 764 places, 775 transitions, 45960 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:10:13,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 771 places, 784 transitions, 47823 flow [2021-03-25 18:10:16,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 766 places, 784 transitions, 47195 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-25 18:10:16,450 INFO L241 Difference]: Finished difference. Result has 768 places, 772 transitions, 45830 flow [2021-03-25 18:10:16,450 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45340, PETRI_DIFFERENCE_MINUEND_PLACES=759, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=775, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=337, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=437, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45830, PETRI_PLACES=768, PETRI_TRANSITIONS=772} [2021-03-25 18:10:16,450 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 730 predicate places. [2021-03-25 18:10:16,450 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:10:16,450 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 768 places, 772 transitions, 45830 flow [2021-03-25 18:10:16,451 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 768 places, 772 transitions, 45830 flow [2021-03-25 18:10:16,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 766 places, 772 transitions, 45830 flow [2021-03-25 18:10:17,465 INFO L129 PetriNetUnfolder]: 289/3845 cut-off events. [2021-03-25 18:10:17,465 INFO L130 PetriNetUnfolder]: For 275900/276066 co-relation queries the response was YES. [2021-03-25 18:10:17,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38368 conditions, 3845 events. 289/3845 cut-off events. For 275900/276066 co-relation queries the response was YES. Maximal size of possible extension queue 690. Compared 58755 event pairs, 0 based on Foata normal form. 1/3760 useless extension candidates. Maximal degree in co-relation 38164. Up to 578 conditions per place. [2021-03-25 18:10:17,570 INFO L142 LiptonReduction]: Number of co-enabled transitions 4602 [2021-03-25 18:10:17,650 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:10:17,650 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:10:17,651 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1201 [2021-03-25 18:10:17,651 INFO L480 AbstractCegarLoop]: Abstraction has has 766 places, 772 transitions, 45830 flow [2021-03-25 18:10:17,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:17,651 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:10:17,651 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:10:17,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2021-03-25 18:10:17,651 INFO L428 AbstractCegarLoop]: === Iteration 209 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:10:17,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:10:17,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1252130268, now seen corresponding path program 205 times [2021-03-25 18:10:17,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:10:17,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884575023] [2021-03-25 18:10:17,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:10:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:10:17,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:17,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:10:17,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:17,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:10:17,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:17,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:10:17,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:17,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:10:17,678 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:10:17,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:10:17,700 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:10:17,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:10:17,721 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:10:17,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:10:17,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:10:17,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884575023] [2021-03-25 18:10:17,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:10:17,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:10:17,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553249583] [2021-03-25 18:10:17,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:10:17,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:10:17,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:10:17,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:10:17,740 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:10:17,741 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 766 places, 772 transitions, 45830 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:17,741 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:10:17,741 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:10:17,741 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:10:19,687 INFO L129 PetriNetUnfolder]: 302/3869 cut-off events. [2021-03-25 18:10:19,687 INFO L130 PetriNetUnfolder]: For 279820/279937 co-relation queries the response was YES. [2021-03-25 18:10:19,746 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40114 conditions, 3869 events. 302/3869 cut-off events. For 279820/279937 co-relation queries the response was YES. Maximal size of possible extension queue 691. Compared 58604 event pairs, 13 based on Foata normal form. 16/3833 useless extension candidates. Maximal degree in co-relation 39909. Up to 681 conditions per place. [2021-03-25 18:10:19,757 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 428 selfloop transitions, 333 changer transitions 3/778 dead transitions. [2021-03-25 18:10:19,757 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 773 places, 778 transitions, 47539 flow [2021-03-25 18:10:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:10:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:10:19,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-25 18:10:19,758 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-25 18:10:19,758 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-25 18:10:19,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-25 18:10:19,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:10:19,758 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-25 18:10:19,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:19,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:19,759 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:19,759 INFO L185 Difference]: Start difference. First operand has 766 places, 772 transitions, 45830 flow. Second operand 8 states and 466 transitions. [2021-03-25 18:10:19,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 773 places, 778 transitions, 47539 flow [2021-03-25 18:10:22,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 767 places, 778 transitions, 47025 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-25 18:10:22,593 INFO L241 Difference]: Finished difference. Result has 769 places, 770 transitions, 45892 flow [2021-03-25 18:10:22,593 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45328, PETRI_DIFFERENCE_MINUEND_PLACES=760, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=772, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=333, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45892, PETRI_PLACES=769, PETRI_TRANSITIONS=770} [2021-03-25 18:10:22,593 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 731 predicate places. [2021-03-25 18:10:22,594 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:10:22,594 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 769 places, 770 transitions, 45892 flow [2021-03-25 18:10:22,594 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 769 places, 770 transitions, 45892 flow [2021-03-25 18:10:22,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 767 places, 770 transitions, 45892 flow [2021-03-25 18:10:23,650 INFO L129 PetriNetUnfolder]: 288/3834 cut-off events. [2021-03-25 18:10:23,650 INFO L130 PetriNetUnfolder]: For 272996/273186 co-relation queries the response was YES. [2021-03-25 18:10:23,711 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38063 conditions, 3834 events. 288/3834 cut-off events. For 272996/273186 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58543 event pairs, 0 based on Foata normal form. 0/3745 useless extension candidates. Maximal degree in co-relation 37860. Up to 576 conditions per place. [2021-03-25 18:10:23,757 INFO L142 LiptonReduction]: Number of co-enabled transitions 4598 [2021-03-25 18:10:23,851 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:10:23,851 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:10:23,852 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1258 [2021-03-25 18:10:23,852 INFO L480 AbstractCegarLoop]: Abstraction has has 767 places, 770 transitions, 45892 flow [2021-03-25 18:10:23,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:23,852 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:10:23,852 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:10:23,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2021-03-25 18:10:23,852 INFO L428 AbstractCegarLoop]: === Iteration 210 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:10:23,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:10:23,852 INFO L82 PathProgramCache]: Analyzing trace with hash -894040492, now seen corresponding path program 206 times [2021-03-25 18:10:23,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:10:23,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382934509] [2021-03-25 18:10:23,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:10:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:10:23,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:23,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:10:23,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:23,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:10:23,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:23,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:10:23,871 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:23,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:10:23,882 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:10:23,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:10:23,896 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:10:23,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:10:23,915 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:10:23,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:10:23,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:10:23,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382934509] [2021-03-25 18:10:23,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:10:23,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:10:23,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450839221] [2021-03-25 18:10:23,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:10:23,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:10:23,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:10:23,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:10:23,934 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:10:23,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 767 places, 770 transitions, 45892 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:23,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:10:23,935 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:10:23,935 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:10:25,947 INFO L129 PetriNetUnfolder]: 301/3858 cut-off events. [2021-03-25 18:10:25,947 INFO L130 PetriNetUnfolder]: For 276235/276352 co-relation queries the response was YES. [2021-03-25 18:10:26,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39806 conditions, 3858 events. 301/3858 cut-off events. For 276235/276352 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58403 event pairs, 13 based on Foata normal form. 16/3822 useless extension candidates. Maximal degree in co-relation 39602. Up to 681 conditions per place. [2021-03-25 18:10:26,014 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 431 selfloop transitions, 329 changer transitions 2/776 dead transitions. [2021-03-25 18:10:26,014 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 774 places, 776 transitions, 47562 flow [2021-03-25 18:10:26,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:10:26,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:10:26,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:10:26,015 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:10:26,015 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:10:26,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:10:26,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:10:26,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:10:26,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:26,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:26,016 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:26,016 INFO L185 Difference]: Start difference. First operand has 767 places, 770 transitions, 45892 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:10:26,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 774 places, 776 transitions, 47562 flow [2021-03-25 18:10:28,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 769 places, 776 transitions, 46925 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-03-25 18:10:28,758 INFO L241 Difference]: Finished difference. Result has 771 places, 770 transitions, 45923 flow [2021-03-25 18:10:28,758 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45263, PETRI_DIFFERENCE_MINUEND_PLACES=762, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=327, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45923, PETRI_PLACES=771, PETRI_TRANSITIONS=770} [2021-03-25 18:10:28,759 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 733 predicate places. [2021-03-25 18:10:28,759 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:10:28,759 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 771 places, 770 transitions, 45923 flow [2021-03-25 18:10:28,759 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 771 places, 770 transitions, 45923 flow [2021-03-25 18:10:28,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 770 places, 770 transitions, 45923 flow [2021-03-25 18:10:29,789 INFO L129 PetriNetUnfolder]: 287/3824 cut-off events. [2021-03-25 18:10:29,789 INFO L130 PetriNetUnfolder]: For 273198/273388 co-relation queries the response was YES. [2021-03-25 18:10:29,845 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38041 conditions, 3824 events. 287/3824 cut-off events. For 273198/273388 co-relation queries the response was YES. Maximal size of possible extension queue 689. Compared 58281 event pairs, 0 based on Foata normal form. 0/3737 useless extension candidates. Maximal degree in co-relation 37838. Up to 574 conditions per place. [2021-03-25 18:10:29,892 INFO L142 LiptonReduction]: Number of co-enabled transitions 4598 [2021-03-25 18:10:29,983 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:10:29,984 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:10:29,984 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1225 [2021-03-25 18:10:29,984 INFO L480 AbstractCegarLoop]: Abstraction has has 770 places, 770 transitions, 45923 flow [2021-03-25 18:10:29,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:29,984 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:10:29,984 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:10:29,984 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2021-03-25 18:10:29,984 INFO L428 AbstractCegarLoop]: === Iteration 211 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:10:29,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:10:29,984 INFO L82 PathProgramCache]: Analyzing trace with hash 2088337376, now seen corresponding path program 207 times [2021-03-25 18:10:29,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:10:29,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725419523] [2021-03-25 18:10:29,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:10:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:10:29,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:29,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:10:29,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:29,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:10:29,994 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:29,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:10:30,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:30,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:10:30,011 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:10:30,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:10:30,026 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:10:30,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:10:30,044 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:10:30,046 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:10:30,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:10:30,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725419523] [2021-03-25 18:10:30,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:10:30,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:10:30,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163598212] [2021-03-25 18:10:30,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:10:30,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:10:30,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:10:30,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:10:30,065 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:10:30,065 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 770 places, 770 transitions, 45923 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:30,065 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:10:30,065 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:10:30,065 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:10:32,195 INFO L129 PetriNetUnfolder]: 300/3848 cut-off events. [2021-03-25 18:10:32,195 INFO L130 PetriNetUnfolder]: For 276498/276617 co-relation queries the response was YES. [2021-03-25 18:10:32,249 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39781 conditions, 3848 events. 300/3848 cut-off events. For 276498/276617 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 58241 event pairs, 13 based on Foata normal form. 17/3813 useless extension candidates. Maximal degree in co-relation 39577. Up to 681 conditions per place. [2021-03-25 18:10:32,256 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 429 selfloop transitions, 328 changer transitions 3/774 dead transitions. [2021-03-25 18:10:32,256 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 777 places, 774 transitions, 47515 flow [2021-03-25 18:10:32,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:10:32,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:10:32,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-25 18:10:32,257 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-25 18:10:32,257 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-25 18:10:32,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-25 18:10:32,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:10:32,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-25 18:10:32,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:32,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:32,258 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:32,258 INFO L185 Difference]: Start difference. First operand has 770 places, 770 transitions, 45923 flow. Second operand 8 states and 466 transitions. [2021-03-25 18:10:32,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 777 places, 774 transitions, 47515 flow [2021-03-25 18:10:34,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 773 places, 774 transitions, 46893 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-25 18:10:34,788 INFO L241 Difference]: Finished difference. Result has 774 places, 767 transitions, 45803 flow [2021-03-25 18:10:34,788 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45309, PETRI_DIFFERENCE_MINUEND_PLACES=766, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=328, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=442, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45803, PETRI_PLACES=774, PETRI_TRANSITIONS=767} [2021-03-25 18:10:34,788 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 736 predicate places. [2021-03-25 18:10:34,788 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:10:34,788 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 774 places, 767 transitions, 45803 flow [2021-03-25 18:10:34,788 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 774 places, 767 transitions, 45803 flow [2021-03-25 18:10:34,801 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 772 places, 767 transitions, 45803 flow [2021-03-25 18:10:35,811 INFO L129 PetriNetUnfolder]: 286/3813 cut-off events. [2021-03-25 18:10:35,812 INFO L130 PetriNetUnfolder]: For 271999/272116 co-relation queries the response was YES. [2021-03-25 18:10:35,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37988 conditions, 3813 events. 286/3813 cut-off events. For 271999/272116 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57951 event pairs, 0 based on Foata normal form. 1/3759 useless extension candidates. Maximal degree in co-relation 37785. Up to 572 conditions per place. [2021-03-25 18:10:35,916 INFO L142 LiptonReduction]: Number of co-enabled transitions 4586 [2021-03-25 18:10:36,004 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:10:36,005 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:10:36,005 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1217 [2021-03-25 18:10:36,005 INFO L480 AbstractCegarLoop]: Abstraction has has 772 places, 767 transitions, 45803 flow [2021-03-25 18:10:36,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:36,005 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:10:36,005 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:10:36,005 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2021-03-25 18:10:36,005 INFO L428 AbstractCegarLoop]: === Iteration 212 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:10:36,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:10:36,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1991101748, now seen corresponding path program 208 times [2021-03-25 18:10:36,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:10:36,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311233696] [2021-03-25 18:10:36,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:10:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:10:36,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:36,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:10:36,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:36,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:10:36,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:36,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:10:36,022 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:10:36,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:10:36,033 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:10:36,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:10:36,047 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:10:36,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:10:36,067 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:10:36,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:10:36,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:10:36,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311233696] [2021-03-25 18:10:36,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:10:36,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:10:36,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281753831] [2021-03-25 18:10:36,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:10:36,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:10:36,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:10:36,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:10:36,086 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:10:36,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 772 places, 767 transitions, 45803 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:36,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:10:36,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:10:36,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:10:38,084 INFO L129 PetriNetUnfolder]: 299/3837 cut-off events. [2021-03-25 18:10:38,085 INFO L130 PetriNetUnfolder]: For 275762/275881 co-relation queries the response was YES. [2021-03-25 18:10:38,143 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39724 conditions, 3837 events. 299/3837 cut-off events. For 275762/275881 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 58016 event pairs, 13 based on Foata normal form. 13/3798 useless extension candidates. Maximal degree in co-relation 39520. Up to 731 conditions per place. [2021-03-25 18:10:38,151 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 466 selfloop transitions, 319 changer transitions 0/799 dead transitions. [2021-03-25 18:10:38,151 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 779 places, 799 transitions, 48809 flow [2021-03-25 18:10:38,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:10:38,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:10:38,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:10:38,152 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:10:38,152 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:10:38,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:10:38,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:10:38,152 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:10:38,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:38,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:38,153 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:38,153 INFO L185 Difference]: Start difference. First operand has 772 places, 767 transitions, 45803 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:10:38,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 779 places, 799 transitions, 48809 flow [2021-03-25 18:10:40,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 774 places, 799 transitions, 48148 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-25 18:10:40,704 INFO L241 Difference]: Finished difference. Result has 777 places, 789 transitions, 47157 flow [2021-03-25 18:10:40,704 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45150, PETRI_DIFFERENCE_MINUEND_PLACES=767, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=767, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=297, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47157, PETRI_PLACES=777, PETRI_TRANSITIONS=789} [2021-03-25 18:10:40,704 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 739 predicate places. [2021-03-25 18:10:40,704 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:10:40,704 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 777 places, 789 transitions, 47157 flow [2021-03-25 18:10:40,705 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 777 places, 789 transitions, 47157 flow [2021-03-25 18:10:40,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 777 places, 789 transitions, 47157 flow [2021-03-25 18:10:41,743 INFO L129 PetriNetUnfolder]: 286/3812 cut-off events. [2021-03-25 18:10:41,744 INFO L130 PetriNetUnfolder]: For 277805/277983 co-relation queries the response was YES. [2021-03-25 18:10:41,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38112 conditions, 3812 events. 286/3812 cut-off events. For 277805/277983 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 58162 event pairs, 0 based on Foata normal form. 0/3720 useless extension candidates. Maximal degree in co-relation 37907. Up to 572 conditions per place. [2021-03-25 18:10:41,846 INFO L142 LiptonReduction]: Number of co-enabled transitions 4694 [2021-03-25 18:10:41,945 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:10:41,945 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:10:41,945 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1241 [2021-03-25 18:10:41,945 INFO L480 AbstractCegarLoop]: Abstraction has has 777 places, 789 transitions, 47157 flow [2021-03-25 18:10:41,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:41,946 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:10:41,946 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:10:41,946 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2021-03-25 18:10:41,946 INFO L428 AbstractCegarLoop]: === Iteration 213 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:10:41,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:10:41,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1710119784, now seen corresponding path program 209 times [2021-03-25 18:10:41,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:10:41,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258516315] [2021-03-25 18:10:41,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:10:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:10:41,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:41,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:10:41,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:41,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:10:41,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:41,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:10:41,963 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:10:41,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:10:41,973 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:10:41,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:10:41,987 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:10:41,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:10:42,006 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:10:42,007 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:10:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:10:42,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258516315] [2021-03-25 18:10:42,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:10:42,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:10:42,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720550728] [2021-03-25 18:10:42,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:10:42,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:10:42,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:10:42,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:10:42,026 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:10:42,026 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 777 places, 789 transitions, 47157 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:42,026 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:10:42,026 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:10:42,026 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:10:43,947 INFO L129 PetriNetUnfolder]: 299/3836 cut-off events. [2021-03-25 18:10:43,947 INFO L130 PetriNetUnfolder]: For 281115/281234 co-relation queries the response was YES. [2021-03-25 18:10:44,004 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39847 conditions, 3836 events. 299/3836 cut-off events. For 281115/281234 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57959 event pairs, 13 based on Foata normal form. 13/3797 useless extension candidates. Maximal degree in co-relation 39641. Up to 731 conditions per place. [2021-03-25 18:10:44,014 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 468 selfloop transitions, 317 changer transitions 0/799 dead transitions. [2021-03-25 18:10:44,014 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 784 places, 799 transitions, 49051 flow [2021-03-25 18:10:44,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:10:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:10:44,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:10:44,015 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:10:44,015 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:10:44,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:10:44,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:10:44,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:10:44,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:44,016 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:44,016 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:44,016 INFO L185 Difference]: Start difference. First operand has 777 places, 789 transitions, 47157 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:10:44,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 784 places, 799 transitions, 49051 flow [2021-03-25 18:10:46,756 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 781 places, 799 transitions, 48387 flow, removed 59 selfloop flow, removed 3 redundant places. [2021-03-25 18:10:46,781 INFO L241 Difference]: Finished difference. Result has 782 places, 789 transitions, 47130 flow [2021-03-25 18:10:46,781 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46493, PETRI_DIFFERENCE_MINUEND_PLACES=774, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=789, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=317, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47130, PETRI_PLACES=782, PETRI_TRANSITIONS=789} [2021-03-25 18:10:46,781 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 744 predicate places. [2021-03-25 18:10:46,781 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:10:46,781 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 782 places, 789 transitions, 47130 flow [2021-03-25 18:10:46,782 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 782 places, 789 transitions, 47130 flow [2021-03-25 18:10:46,795 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 782 places, 789 transitions, 47130 flow [2021-03-25 18:10:47,971 INFO L129 PetriNetUnfolder]: 286/3811 cut-off events. [2021-03-25 18:10:47,971 INFO L130 PetriNetUnfolder]: For 279176/279342 co-relation queries the response was YES. [2021-03-25 18:10:48,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38465 conditions, 3811 events. 286/3811 cut-off events. For 279176/279342 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 58179 event pairs, 0 based on Foata normal form. 1/3721 useless extension candidates. Maximal degree in co-relation 38259. Up to 572 conditions per place. [2021-03-25 18:10:48,062 INFO L142 LiptonReduction]: Number of co-enabled transitions 4694 [2021-03-25 18:10:48,148 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:10:48,148 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:10:48,148 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1367 [2021-03-25 18:10:48,148 INFO L480 AbstractCegarLoop]: Abstraction has has 782 places, 789 transitions, 47130 flow [2021-03-25 18:10:48,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:48,149 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:10:48,149 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:10:48,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2021-03-25 18:10:48,149 INFO L428 AbstractCegarLoop]: === Iteration 214 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:10:48,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:10:48,149 INFO L82 PathProgramCache]: Analyzing trace with hash 371220452, now seen corresponding path program 210 times [2021-03-25 18:10:48,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:10:48,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506345763] [2021-03-25 18:10:48,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:10:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:10:48,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:48,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:10:48,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:48,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:10:48,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:48,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:10:48,165 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:10:48,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:10:48,176 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:10:48,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:10:48,190 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:10:48,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:10:48,209 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:10:48,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:10:48,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:10:48,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506345763] [2021-03-25 18:10:48,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:10:48,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:10:48,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578140509] [2021-03-25 18:10:48,228 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:10:48,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:10:48,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:10:48,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:10:48,228 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:10:48,228 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 782 places, 789 transitions, 47130 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:48,229 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:10:48,229 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:10:48,229 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:10:50,254 INFO L129 PetriNetUnfolder]: 299/3835 cut-off events. [2021-03-25 18:10:50,254 INFO L130 PetriNetUnfolder]: For 283074/283193 co-relation queries the response was YES. [2021-03-25 18:10:50,311 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40198 conditions, 3835 events. 299/3835 cut-off events. For 283074/283193 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57956 event pairs, 13 based on Foata normal form. 13/3796 useless extension candidates. Maximal degree in co-relation 39991. Up to 731 conditions per place. [2021-03-25 18:10:50,320 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 311 changer transitions 0/799 dead transitions. [2021-03-25 18:10:50,320 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 789 places, 799 transitions, 49032 flow [2021-03-25 18:10:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:10:50,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:10:50,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:10:50,321 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:10:50,321 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:10:50,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:10:50,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:10:50,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:10:50,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:50,322 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:50,322 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:50,322 INFO L185 Difference]: Start difference. First operand has 782 places, 789 transitions, 47130 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:10:50,322 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 789 places, 799 transitions, 49032 flow [2021-03-25 18:10:53,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 786 places, 799 transitions, 48552 flow, removed 7 selfloop flow, removed 3 redundant places. [2021-03-25 18:10:53,126 INFO L241 Difference]: Finished difference. Result has 787 places, 789 transitions, 47275 flow [2021-03-25 18:10:53,127 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46650, PETRI_DIFFERENCE_MINUEND_PLACES=779, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=789, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47275, PETRI_PLACES=787, PETRI_TRANSITIONS=789} [2021-03-25 18:10:53,127 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 749 predicate places. [2021-03-25 18:10:53,127 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:10:53,127 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 787 places, 789 transitions, 47275 flow [2021-03-25 18:10:53,127 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 787 places, 789 transitions, 47275 flow [2021-03-25 18:10:53,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 787 places, 789 transitions, 47275 flow [2021-03-25 18:10:54,209 INFO L129 PetriNetUnfolder]: 286/3810 cut-off events. [2021-03-25 18:10:54,209 INFO L130 PetriNetUnfolder]: For 283351/283517 co-relation queries the response was YES. [2021-03-25 18:10:54,265 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38966 conditions, 3810 events. 286/3810 cut-off events. For 283351/283517 co-relation queries the response was YES. Maximal size of possible extension queue 687. Compared 58153 event pairs, 0 based on Foata normal form. 1/3720 useless extension candidates. Maximal degree in co-relation 38759. Up to 572 conditions per place. [2021-03-25 18:10:54,311 INFO L142 LiptonReduction]: Number of co-enabled transitions 4694 [2021-03-25 18:10:54,400 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:10:54,400 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:10:54,400 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1273 [2021-03-25 18:10:54,401 INFO L480 AbstractCegarLoop]: Abstraction has has 787 places, 789 transitions, 47275 flow [2021-03-25 18:10:54,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:54,401 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:10:54,401 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:10:54,401 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2021-03-25 18:10:54,401 INFO L428 AbstractCegarLoop]: === Iteration 215 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:10:54,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:10:54,401 INFO L82 PathProgramCache]: Analyzing trace with hash 363060258, now seen corresponding path program 211 times [2021-03-25 18:10:54,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:10:54,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087330567] [2021-03-25 18:10:54,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:10:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:10:54,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:54,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:10:54,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:54,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:10:54,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:10:54,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:10:54,417 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:10:54,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:10:54,428 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:10:54,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:10:54,442 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:10:54,442 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:10:54,461 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:10:54,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:10:54,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:10:54,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087330567] [2021-03-25 18:10:54,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:10:54,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:10:54,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217391641] [2021-03-25 18:10:54,480 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:10:54,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:10:54,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:10:54,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:10:54,480 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:10:54,480 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 787 places, 789 transitions, 47275 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:54,481 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:10:54,481 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:10:54,481 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:10:56,487 INFO L129 PetriNetUnfolder]: 299/3834 cut-off events. [2021-03-25 18:10:56,487 INFO L130 PetriNetUnfolder]: For 287448/287565 co-relation queries the response was YES. [2021-03-25 18:10:56,544 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40697 conditions, 3834 events. 299/3834 cut-off events. For 287448/287565 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 57973 event pairs, 13 based on Foata normal form. 12/3794 useless extension candidates. Maximal degree in co-relation 40489. Up to 731 conditions per place. [2021-03-25 18:10:56,553 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 311 changer transitions 0/799 dead transitions. [2021-03-25 18:10:56,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 794 places, 799 transitions, 49185 flow [2021-03-25 18:10:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:10:56,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:10:56,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:10:56,554 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:10:56,554 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:10:56,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:10:56,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:10:56,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:10:56,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:56,555 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:56,555 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:10:56,555 INFO L185 Difference]: Start difference. First operand has 787 places, 789 transitions, 47275 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:10:56,555 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 794 places, 799 transitions, 49185 flow [2021-03-25 18:10:59,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 791 places, 799 transitions, 48611 flow, removed 21 selfloop flow, removed 3 redundant places. [2021-03-25 18:10:59,226 INFO L241 Difference]: Finished difference. Result has 792 places, 789 transitions, 47326 flow [2021-03-25 18:10:59,227 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46701, PETRI_DIFFERENCE_MINUEND_PLACES=784, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=789, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47326, PETRI_PLACES=792, PETRI_TRANSITIONS=789} [2021-03-25 18:10:59,227 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 754 predicate places. [2021-03-25 18:10:59,227 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:10:59,227 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 792 places, 789 transitions, 47326 flow [2021-03-25 18:10:59,227 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 792 places, 789 transitions, 47326 flow [2021-03-25 18:10:59,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 792 places, 789 transitions, 47326 flow [2021-03-25 18:11:00,232 INFO L129 PetriNetUnfolder]: 286/3809 cut-off events. [2021-03-25 18:11:00,232 INFO L130 PetriNetUnfolder]: For 286466/286658 co-relation queries the response was YES. [2021-03-25 18:11:00,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39379 conditions, 3809 events. 286/3809 cut-off events. For 286466/286658 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 58158 event pairs, 0 based on Foata normal form. 0/3718 useless extension candidates. Maximal degree in co-relation 39171. Up to 572 conditions per place. [2021-03-25 18:11:00,335 INFO L142 LiptonReduction]: Number of co-enabled transitions 4694 [2021-03-25 18:11:00,416 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:11:00,416 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:11:00,416 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1189 [2021-03-25 18:11:00,416 INFO L480 AbstractCegarLoop]: Abstraction has has 792 places, 789 transitions, 47326 flow [2021-03-25 18:11:00,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:00,417 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:11:00,417 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:11:00,417 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2021-03-25 18:11:00,417 INFO L428 AbstractCegarLoop]: === Iteration 216 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:11:00,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:11:00,417 INFO L82 PathProgramCache]: Analyzing trace with hash -816166160, now seen corresponding path program 212 times [2021-03-25 18:11:00,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:11:00,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118967458] [2021-03-25 18:11:00,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:11:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:11:00,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:00,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:11:00,423 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:00,423 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:11:00,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:00,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:11:00,434 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:11:00,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:11:00,452 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:11:00,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:11:00,473 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:11:00,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:11:00,492 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:11:00,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:11:00,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:11:00,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118967458] [2021-03-25 18:11:00,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:11:00,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:11:00,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220184370] [2021-03-25 18:11:00,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:11:00,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:11:00,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:11:00,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:11:00,511 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:11:00,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 792 places, 789 transitions, 47326 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:00,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:11:00,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:11:00,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:11:02,463 INFO L129 PetriNetUnfolder]: 299/3833 cut-off events. [2021-03-25 18:11:02,463 INFO L130 PetriNetUnfolder]: For 290832/290951 co-relation queries the response was YES. [2021-03-25 18:11:02,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41108 conditions, 3833 events. 299/3833 cut-off events. For 290832/290951 co-relation queries the response was YES. Maximal size of possible extension queue 685. Compared 58032 event pairs, 13 based on Foata normal form. 13/3794 useless extension candidates. Maximal degree in co-relation 40899. Up to 731 conditions per place. [2021-03-25 18:11:02,529 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 466 selfloop transitions, 317 changer transitions 2/799 dead transitions. [2021-03-25 18:11:02,530 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 799 places, 799 transitions, 49244 flow [2021-03-25 18:11:02,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:11:02,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:11:02,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:11:02,530 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:11:02,530 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:11:02,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:11:02,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:11:02,531 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:11:02,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:02,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:02,531 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:02,531 INFO L185 Difference]: Start difference. First operand has 792 places, 789 transitions, 47326 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:11:02,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 799 places, 799 transitions, 49244 flow [2021-03-25 18:11:05,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 795 places, 799 transitions, 48647 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 18:11:05,356 INFO L241 Difference]: Finished difference. Result has 797 places, 793 transitions, 47642 flow [2021-03-25 18:11:05,356 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46729, PETRI_DIFFERENCE_MINUEND_PLACES=788, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=789, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=311, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47642, PETRI_PLACES=797, PETRI_TRANSITIONS=793} [2021-03-25 18:11:05,356 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 759 predicate places. [2021-03-25 18:11:05,357 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:11:05,357 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 797 places, 793 transitions, 47642 flow [2021-03-25 18:11:05,357 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 797 places, 793 transitions, 47642 flow [2021-03-25 18:11:05,370 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 796 places, 793 transitions, 47642 flow [2021-03-25 18:11:06,404 INFO L129 PetriNetUnfolder]: 285/3799 cut-off events. [2021-03-25 18:11:06,404 INFO L130 PetriNetUnfolder]: For 293024/293216 co-relation queries the response was YES. [2021-03-25 18:11:06,464 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39751 conditions, 3799 events. 285/3799 cut-off events. For 293024/293216 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 57963 event pairs, 0 based on Foata normal form. 0/3704 useless extension candidates. Maximal degree in co-relation 39541. Up to 570 conditions per place. [2021-03-25 18:11:06,512 INFO L142 LiptonReduction]: Number of co-enabled transitions 4706 [2021-03-25 18:11:06,610 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:11:06,610 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:11:06,610 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1253 [2021-03-25 18:11:06,611 INFO L480 AbstractCegarLoop]: Abstraction has has 796 places, 793 transitions, 47642 flow [2021-03-25 18:11:06,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:06,611 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:11:06,611 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:11:06,611 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2021-03-25 18:11:06,611 INFO L428 AbstractCegarLoop]: === Iteration 217 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:11:06,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:11:06,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1228018818, now seen corresponding path program 213 times [2021-03-25 18:11:06,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:11:06,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127576410] [2021-03-25 18:11:06,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:11:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:11:06,627 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:06,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:11:06,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:06,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:11:06,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:06,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:11:06,639 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:11:06,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:11:06,650 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:11:06,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:11:06,676 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:11:06,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:11:06,695 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:11:06,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:11:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:11:06,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127576410] [2021-03-25 18:11:06,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:11:06,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:11:06,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489378332] [2021-03-25 18:11:06,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:11:06,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:11:06,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:11:06,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:11:06,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:11:06,715 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 796 places, 793 transitions, 47642 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:06,715 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:11:06,715 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:11:06,715 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:11:08,898 INFO L129 PetriNetUnfolder]: 298/3823 cut-off events. [2021-03-25 18:11:08,898 INFO L130 PetriNetUnfolder]: For 297761/297880 co-relation queries the response was YES. [2021-03-25 18:11:08,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41476 conditions, 3823 events. 298/3823 cut-off events. For 297761/297880 co-relation queries the response was YES. Maximal size of possible extension queue 684. Compared 57813 event pairs, 13 based on Foata normal form. 13/3784 useless extension candidates. Maximal degree in co-relation 41265. Up to 731 conditions per place. [2021-03-25 18:11:08,960 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 465 selfloop transitions, 318 changer transitions 0/797 dead transitions. [2021-03-25 18:11:08,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 803 places, 797 transitions, 49312 flow [2021-03-25 18:11:08,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:11:08,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:11:08,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:11:08,961 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:11:08,961 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:11:08,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:11:08,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:11:08,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:11:08,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:08,961 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:08,961 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:08,962 INFO L185 Difference]: Start difference. First operand has 796 places, 793 transitions, 47642 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:11:08,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 803 places, 797 transitions, 49312 flow [2021-03-25 18:11:11,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 800 places, 797 transitions, 49042 flow, removed 19 selfloop flow, removed 3 redundant places. [2021-03-25 18:11:11,612 INFO L241 Difference]: Finished difference. Result has 801 places, 793 transitions, 48019 flow [2021-03-25 18:11:11,613 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=47380, PETRI_DIFFERENCE_MINUEND_PLACES=793, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=793, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=318, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=48019, PETRI_PLACES=801, PETRI_TRANSITIONS=793} [2021-03-25 18:11:11,613 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 763 predicate places. [2021-03-25 18:11:11,613 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:11:11,613 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 801 places, 793 transitions, 48019 flow [2021-03-25 18:11:11,613 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 801 places, 793 transitions, 48019 flow [2021-03-25 18:11:11,629 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 801 places, 793 transitions, 48019 flow [2021-03-25 18:11:12,668 INFO L129 PetriNetUnfolder]: 285/3798 cut-off events. [2021-03-25 18:11:12,668 INFO L130 PetriNetUnfolder]: For 294901/295096 co-relation queries the response was YES. [2021-03-25 18:11:12,726 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40073 conditions, 3798 events. 285/3798 cut-off events. For 294901/295096 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 57929 event pairs, 0 based on Foata normal form. 0/3708 useless extension candidates. Maximal degree in co-relation 39864. Up to 570 conditions per place. [2021-03-25 18:11:12,773 INFO L142 LiptonReduction]: Number of co-enabled transitions 4706 [2021-03-25 18:11:12,868 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:11:12,868 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:11:12,869 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1256 [2021-03-25 18:11:12,869 INFO L480 AbstractCegarLoop]: Abstraction has has 801 places, 793 transitions, 48019 flow [2021-03-25 18:11:12,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:12,869 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:11:12,869 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:11:12,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2021-03-25 18:11:12,869 INFO L428 AbstractCegarLoop]: === Iteration 218 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:11:12,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:11:12,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1564298844, now seen corresponding path program 214 times [2021-03-25 18:11:12,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:11:12,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093212577] [2021-03-25 18:11:12,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:11:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:11:12,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:12,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:11:12,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:12,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:11:12,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:12,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:11:12,886 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:11:12,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:11:12,896 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:11:12,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:11:12,922 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:11:12,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:11:12,941 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:11:12,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:11:12,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:11:12,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093212577] [2021-03-25 18:11:12,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:11:12,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:11:12,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257929214] [2021-03-25 18:11:12,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:11:12,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:11:12,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:11:12,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:11:12,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:11:12,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 801 places, 793 transitions, 48019 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:12,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:11:12,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:11:12,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:11:14,989 INFO L129 PetriNetUnfolder]: 298/3822 cut-off events. [2021-03-25 18:11:14,989 INFO L130 PetriNetUnfolder]: For 299519/299638 co-relation queries the response was YES. [2021-03-25 18:11:15,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41797 conditions, 3822 events. 298/3822 cut-off events. For 299519/299638 co-relation queries the response was YES. Maximal size of possible extension queue 684. Compared 57724 event pairs, 13 based on Foata normal form. 13/3783 useless extension candidates. Maximal degree in co-relation 41587. Up to 731 conditions per place. [2021-03-25 18:11:15,056 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 461 selfloop transitions, 310 changer transitions 12/797 dead transitions. [2021-03-25 18:11:15,056 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 808 places, 797 transitions, 49689 flow [2021-03-25 18:11:15,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:11:15,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:11:15,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:11:15,057 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:11:15,057 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:11:15,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:11:15,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:11:15,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:11:15,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:15,058 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:15,058 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:15,058 INFO L185 Difference]: Start difference. First operand has 801 places, 793 transitions, 48019 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:11:15,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 808 places, 797 transitions, 49689 flow [2021-03-25 18:11:17,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 805 places, 797 transitions, 49102 flow, removed 28 selfloop flow, removed 3 redundant places. [2021-03-25 18:11:17,672 INFO L241 Difference]: Finished difference. Result has 806 places, 781 transitions, 47088 flow [2021-03-25 18:11:17,673 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=47432, PETRI_DIFFERENCE_MINUEND_PLACES=798, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=793, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=310, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=483, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=47088, PETRI_PLACES=806, PETRI_TRANSITIONS=781} [2021-03-25 18:11:17,673 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 768 predicate places. [2021-03-25 18:11:17,673 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:11:17,673 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 806 places, 781 transitions, 47088 flow [2021-03-25 18:11:17,673 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 806 places, 781 transitions, 47088 flow [2021-03-25 18:11:17,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 781 transitions, 47088 flow [2021-03-25 18:11:18,702 INFO L129 PetriNetUnfolder]: 284/3755 cut-off events. [2021-03-25 18:11:18,702 INFO L130 PetriNetUnfolder]: For 293046/293227 co-relation queries the response was YES. [2021-03-25 18:11:18,758 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39774 conditions, 3755 events. 284/3755 cut-off events. For 293046/293227 co-relation queries the response was YES. Maximal size of possible extension queue 675. Compared 57126 event pairs, 0 based on Foata normal form. 0/3668 useless extension candidates. Maximal degree in co-relation 39564. Up to 568 conditions per place. [2021-03-25 18:11:18,805 INFO L142 LiptonReduction]: Number of co-enabled transitions 4588 [2021-03-25 18:11:18,897 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:11:18,898 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:11:18,898 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1225 [2021-03-25 18:11:18,898 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 781 transitions, 47088 flow [2021-03-25 18:11:18,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:18,898 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:11:18,898 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:11:18,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2021-03-25 18:11:18,898 INFO L428 AbstractCegarLoop]: === Iteration 219 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:11:18,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:11:18,898 INFO L82 PathProgramCache]: Analyzing trace with hash 10160144, now seen corresponding path program 215 times [2021-03-25 18:11:18,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:11:18,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846587732] [2021-03-25 18:11:18,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:11:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:11:18,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:18,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:11:18,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:18,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:11:18,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:18,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:11:18,915 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:11:18,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:11:18,933 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:11:18,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:11:18,954 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:11:18,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:11:18,973 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:11:18,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:11:18,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:11:18,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846587732] [2021-03-25 18:11:18,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:11:18,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:11:18,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811892039] [2021-03-25 18:11:18,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:11:18,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:11:18,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:11:18,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:11:18,992 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:11:18,992 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 800 places, 781 transitions, 47088 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:18,992 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:11:18,992 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:11:18,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:11:20,863 INFO L129 PetriNetUnfolder]: 297/3779 cut-off events. [2021-03-25 18:11:20,863 INFO L130 PetriNetUnfolder]: For 298282/298399 co-relation queries the response was YES. [2021-03-25 18:11:20,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41480 conditions, 3779 events. 297/3779 cut-off events. For 298282/298399 co-relation queries the response was YES. Maximal size of possible extension queue 675. Compared 56960 event pairs, 13 based on Foata normal form. 12/3741 useless extension candidates. Maximal degree in co-relation 41269. Up to 731 conditions per place. [2021-03-25 18:11:20,929 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 459 selfloop transitions, 309 changer transitions 3/785 dead transitions. [2021-03-25 18:11:20,929 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 785 transitions, 48742 flow [2021-03-25 18:11:20,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:11:20,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:11:20,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:11:20,930 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:11:20,930 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:11:20,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:11:20,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:11:20,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:11:20,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:20,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:20,931 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:20,931 INFO L185 Difference]: Start difference. First operand has 800 places, 781 transitions, 47088 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:11:20,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 785 transitions, 48742 flow [2021-03-25 18:11:23,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 797 places, 785 transitions, 48084 flow, removed 30 selfloop flow, removed 10 redundant places. [2021-03-25 18:11:23,728 INFO L241 Difference]: Finished difference. Result has 798 places, 778 transitions, 46906 flow [2021-03-25 18:11:23,728 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46478, PETRI_DIFFERENCE_MINUEND_PLACES=790, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=781, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=309, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46906, PETRI_PLACES=798, PETRI_TRANSITIONS=778} [2021-03-25 18:11:23,728 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 760 predicate places. [2021-03-25 18:11:23,728 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:11:23,728 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 798 places, 778 transitions, 46906 flow [2021-03-25 18:11:23,729 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 798 places, 778 transitions, 46906 flow [2021-03-25 18:11:23,742 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 797 places, 778 transitions, 46906 flow [2021-03-25 18:11:24,764 INFO L129 PetriNetUnfolder]: 283/3744 cut-off events. [2021-03-25 18:11:24,764 INFO L130 PetriNetUnfolder]: For 273770/273950 co-relation queries the response was YES. [2021-03-25 18:11:24,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37819 conditions, 3744 events. 283/3744 cut-off events. For 273770/273950 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 56948 event pairs, 0 based on Foata normal form. 0/3652 useless extension candidates. Maximal degree in co-relation 37614. Up to 566 conditions per place. [2021-03-25 18:11:24,861 INFO L142 LiptonReduction]: Number of co-enabled transitions 4566 [2021-03-25 18:11:25,064 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:11:25,064 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:11:25,064 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1336 [2021-03-25 18:11:25,064 INFO L480 AbstractCegarLoop]: Abstraction has has 797 places, 778 transitions, 46906 flow [2021-03-25 18:11:25,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:25,064 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:11:25,064 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:11:25,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2021-03-25 18:11:25,064 INFO L428 AbstractCegarLoop]: === Iteration 220 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:11:25,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:11:25,065 INFO L82 PathProgramCache]: Analyzing trace with hash 370743798, now seen corresponding path program 216 times [2021-03-25 18:11:25,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:11:25,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275859646] [2021-03-25 18:11:25,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:11:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:11:25,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:25,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:11:25,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:25,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:11:25,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:25,074 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:11:25,081 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:11:25,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:11:25,099 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:11:25,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:11:25,114 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:11:25,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:11:25,133 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:11:25,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:11:25,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:11:25,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275859646] [2021-03-25 18:11:25,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:11:25,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:11:25,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121257787] [2021-03-25 18:11:25,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:11:25,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:11:25,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:11:25,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:11:25,152 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:11:25,152 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 797 places, 778 transitions, 46906 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:25,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:11:25,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:11:25,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:11:27,053 INFO L129 PetriNetUnfolder]: 296/3768 cut-off events. [2021-03-25 18:11:27,054 INFO L130 PetriNetUnfolder]: For 277048/277165 co-relation queries the response was YES. [2021-03-25 18:11:27,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39526 conditions, 3768 events. 296/3768 cut-off events. For 277048/277165 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 56729 event pairs, 13 based on Foata normal form. 12/3730 useless extension candidates. Maximal degree in co-relation 39320. Up to 731 conditions per place. [2021-03-25 18:11:27,124 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 454 selfloop transitions, 314 changer transitions 0/782 dead transitions. [2021-03-25 18:11:27,124 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 804 places, 782 transitions, 48514 flow [2021-03-25 18:11:27,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:11:27,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:11:27,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:11:27,125 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:11:27,125 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:11:27,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:11:27,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:11:27,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:11:27,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:27,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:27,126 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:27,126 INFO L185 Difference]: Start difference. First operand has 797 places, 778 transitions, 46906 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:11:27,126 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 804 places, 782 transitions, 48514 flow [2021-03-25 18:11:29,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 799 places, 782 transitions, 47906 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-25 18:11:29,702 INFO L241 Difference]: Finished difference. Result has 800 places, 778 transitions, 46937 flow [2021-03-25 18:11:29,703 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46306, PETRI_DIFFERENCE_MINUEND_PLACES=792, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=778, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=314, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46937, PETRI_PLACES=800, PETRI_TRANSITIONS=778} [2021-03-25 18:11:29,703 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 762 predicate places. [2021-03-25 18:11:29,703 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:11:29,703 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 800 places, 778 transitions, 46937 flow [2021-03-25 18:11:29,703 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 800 places, 778 transitions, 46937 flow [2021-03-25 18:11:29,717 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 778 transitions, 46937 flow [2021-03-25 18:11:30,809 INFO L129 PetriNetUnfolder]: 283/3743 cut-off events. [2021-03-25 18:11:30,809 INFO L130 PetriNetUnfolder]: For 273538/273688 co-relation queries the response was YES. [2021-03-25 18:11:30,868 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37837 conditions, 3743 events. 283/3743 cut-off events. For 273538/273688 co-relation queries the response was YES. Maximal size of possible extension queue 674. Compared 56907 event pairs, 0 based on Foata normal form. 1/3652 useless extension candidates. Maximal degree in co-relation 37632. Up to 566 conditions per place. [2021-03-25 18:11:30,913 INFO L142 LiptonReduction]: Number of co-enabled transitions 4566 [2021-03-25 18:11:30,998 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:11:30,998 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:11:30,998 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1295 [2021-03-25 18:11:30,998 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 778 transitions, 46937 flow [2021-03-25 18:11:30,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:30,998 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:11:30,999 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:11:30,999 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2021-03-25 18:11:30,999 INFO L428 AbstractCegarLoop]: === Iteration 221 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:11:30,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:11:30,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1191004318, now seen corresponding path program 217 times [2021-03-25 18:11:30,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:11:30,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195850245] [2021-03-25 18:11:30,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:11:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:11:31,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:31,004 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:11:31,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:31,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:11:31,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:31,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:11:31,015 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:11:31,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:11:31,034 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:11:31,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:11:31,059 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:11:31,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:11:31,079 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:11:31,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:11:31,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:11:31,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195850245] [2021-03-25 18:11:31,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:11:31,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:11:31,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772450132] [2021-03-25 18:11:31,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:11:31,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:11:31,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:11:31,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:11:31,111 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:11:31,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 800 places, 778 transitions, 46937 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:31,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:11:31,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:11:31,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:11:33,054 INFO L129 PetriNetUnfolder]: 296/3767 cut-off events. [2021-03-25 18:11:33,055 INFO L130 PetriNetUnfolder]: For 277020/277136 co-relation queries the response was YES. [2021-03-25 18:11:33,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39543 conditions, 3767 events. 296/3767 cut-off events. For 277020/277136 co-relation queries the response was YES. Maximal size of possible extension queue 672. Compared 56730 event pairs, 13 based on Foata normal form. 13/3730 useless extension candidates. Maximal degree in co-relation 39337. Up to 731 conditions per place. [2021-03-25 18:11:33,120 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 451 selfloop transitions, 313 changer transitions 4/782 dead transitions. [2021-03-25 18:11:33,120 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 782 transitions, 48545 flow [2021-03-25 18:11:33,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:11:33,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:11:33,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:11:33,121 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:11:33,121 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:11:33,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:11:33,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:11:33,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:11:33,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:33,122 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:33,122 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:33,122 INFO L185 Difference]: Start difference. First operand has 800 places, 778 transitions, 46937 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:11:33,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 782 transitions, 48545 flow [2021-03-25 18:11:35,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 801 places, 782 transitions, 47497 flow, removed 11 selfloop flow, removed 6 redundant places. [2021-03-25 18:11:35,714 INFO L241 Difference]: Finished difference. Result has 802 places, 774 transitions, 46229 flow [2021-03-25 18:11:35,714 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45889, PETRI_DIFFERENCE_MINUEND_PLACES=794, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=778, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=313, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46229, PETRI_PLACES=802, PETRI_TRANSITIONS=774} [2021-03-25 18:11:35,714 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 764 predicate places. [2021-03-25 18:11:35,714 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:11:35,714 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 802 places, 774 transitions, 46229 flow [2021-03-25 18:11:35,714 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 802 places, 774 transitions, 46229 flow [2021-03-25 18:11:35,727 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 774 transitions, 46229 flow [2021-03-25 18:11:36,729 INFO L129 PetriNetUnfolder]: 282/3726 cut-off events. [2021-03-25 18:11:36,729 INFO L130 PetriNetUnfolder]: For 269774/269948 co-relation queries the response was YES. [2021-03-25 18:11:36,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37712 conditions, 3726 events. 282/3726 cut-off events. For 269774/269948 co-relation queries the response was YES. Maximal size of possible extension queue 669. Compared 56620 event pairs, 0 based on Foata normal form. 0/3633 useless extension candidates. Maximal degree in co-relation 37506. Up to 564 conditions per place. [2021-03-25 18:11:36,829 INFO L142 LiptonReduction]: Number of co-enabled transitions 4530 [2021-03-25 18:11:36,915 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:11:36,916 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:11:36,916 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1202 [2021-03-25 18:11:36,916 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 774 transitions, 46229 flow [2021-03-25 18:11:36,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:36,916 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:11:36,916 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:11:36,916 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2021-03-25 18:11:36,916 INFO L428 AbstractCegarLoop]: === Iteration 222 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:11:36,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:11:36,917 INFO L82 PathProgramCache]: Analyzing trace with hash 699467228, now seen corresponding path program 218 times [2021-03-25 18:11:36,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:11:36,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653539348] [2021-03-25 18:11:36,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:11:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:11:36,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:36,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:11:36,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:36,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:11:36,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:36,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:11:36,933 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:11:36,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:11:36,952 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:11:36,953 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:11:36,967 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:11:36,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:11:36,986 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:11:36,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:11:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:11:37,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653539348] [2021-03-25 18:11:37,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:11:37,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:11:37,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262551877] [2021-03-25 18:11:37,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:11:37,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:11:37,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:11:37,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:11:37,005 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:11:37,006 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 800 places, 774 transitions, 46229 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:37,006 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:11:37,006 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:11:37,006 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:11:38,911 INFO L129 PetriNetUnfolder]: 295/3750 cut-off events. [2021-03-25 18:11:38,911 INFO L130 PetriNetUnfolder]: For 273515/273631 co-relation queries the response was YES. [2021-03-25 18:11:38,966 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39411 conditions, 3750 events. 295/3750 cut-off events. For 273515/273631 co-relation queries the response was YES. Maximal size of possible extension queue 669. Compared 56404 event pairs, 13 based on Foata normal form. 13/3713 useless extension candidates. Maximal degree in co-relation 39204. Up to 731 conditions per place. [2021-03-25 18:11:38,974 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 463 selfloop transitions, 299 changer transitions 2/778 dead transitions. [2021-03-25 18:11:38,974 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 778 transitions, 47837 flow [2021-03-25 18:11:38,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:11:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:11:38,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:11:38,975 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:11:38,975 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:11:38,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:11:38,975 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:11:38,975 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:11:38,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:38,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:38,976 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:38,976 INFO L185 Difference]: Start difference. First operand has 800 places, 774 transitions, 46229 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:11:38,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 778 transitions, 47837 flow [2021-03-25 18:11:41,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 800 places, 778 transitions, 47198 flow, removed 13 selfloop flow, removed 7 redundant places. [2021-03-25 18:11:41,462 INFO L241 Difference]: Finished difference. Result has 801 places, 772 transitions, 46080 flow [2021-03-25 18:11:41,462 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45606, PETRI_DIFFERENCE_MINUEND_PLACES=793, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=774, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=299, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46080, PETRI_PLACES=801, PETRI_TRANSITIONS=772} [2021-03-25 18:11:41,463 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 763 predicate places. [2021-03-25 18:11:41,463 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:11:41,463 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 801 places, 772 transitions, 46080 flow [2021-03-25 18:11:41,463 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 801 places, 772 transitions, 46080 flow [2021-03-25 18:11:41,476 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 800 places, 772 transitions, 46080 flow [2021-03-25 18:11:42,426 INFO L129 PetriNetUnfolder]: 281/3716 cut-off events. [2021-03-25 18:11:42,427 INFO L130 PetriNetUnfolder]: For 265959/266133 co-relation queries the response was YES. [2021-03-25 18:11:42,481 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37265 conditions, 3716 events. 281/3716 cut-off events. For 265959/266133 co-relation queries the response was YES. Maximal size of possible extension queue 670. Compared 56422 event pairs, 0 based on Foata normal form. 0/3623 useless extension candidates. Maximal degree in co-relation 37061. Up to 562 conditions per place. [2021-03-25 18:11:42,527 INFO L142 LiptonReduction]: Number of co-enabled transitions 4526 [2021-03-25 18:11:42,610 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:11:42,610 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:11:42,610 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1147 [2021-03-25 18:11:42,611 INFO L480 AbstractCegarLoop]: Abstraction has has 800 places, 772 transitions, 46080 flow [2021-03-25 18:11:42,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:42,611 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:11:42,611 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:11:42,611 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2021-03-25 18:11:42,611 INFO L428 AbstractCegarLoop]: === Iteration 223 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:11:42,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:11:42,611 INFO L82 PathProgramCache]: Analyzing trace with hash -45807486, now seen corresponding path program 219 times [2021-03-25 18:11:42,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:11:42,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160430332] [2021-03-25 18:11:42,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:11:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:11:42,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:42,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:11:42,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:42,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:11:42,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:42,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:11:42,627 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:11:42,628 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:11:42,646 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:11:42,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:11:42,660 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:11:42,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:11:42,679 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:11:42,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:11:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:11:42,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160430332] [2021-03-25 18:11:42,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:11:42,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:11:42,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595620430] [2021-03-25 18:11:42,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:11:42,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:11:42,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:11:42,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:11:42,699 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:11:42,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 800 places, 772 transitions, 46080 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:42,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:11:42,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:11:42,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:11:44,621 INFO L129 PetriNetUnfolder]: 294/3740 cut-off events. [2021-03-25 18:11:44,621 INFO L130 PetriNetUnfolder]: For 269162/269276 co-relation queries the response was YES. [2021-03-25 18:11:44,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38962 conditions, 3740 events. 294/3740 cut-off events. For 269162/269276 co-relation queries the response was YES. Maximal size of possible extension queue 668. Compared 56223 event pairs, 13 based on Foata normal form. 12/3702 useless extension candidates. Maximal degree in co-relation 38757. Up to 731 conditions per place. [2021-03-25 18:11:44,690 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 460 selfloop transitions, 300 changer transitions 2/776 dead transitions. [2021-03-25 18:11:44,690 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 807 places, 776 transitions, 47676 flow [2021-03-25 18:11:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:11:44,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:11:44,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-25 18:11:44,691 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-25 18:11:44,691 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-25 18:11:44,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-25 18:11:44,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:11:44,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-25 18:11:44,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:44,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:44,692 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:44,692 INFO L185 Difference]: Start difference. First operand has 800 places, 772 transitions, 46080 flow. Second operand 8 states and 466 transitions. [2021-03-25 18:11:44,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 807 places, 776 transitions, 47676 flow [2021-03-25 18:11:47,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 804 places, 776 transitions, 47264 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-03-25 18:11:47,393 INFO L241 Difference]: Finished difference. Result has 805 places, 770 transitions, 46144 flow [2021-03-25 18:11:47,393 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45676, PETRI_DIFFERENCE_MINUEND_PLACES=797, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=772, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=300, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46144, PETRI_PLACES=805, PETRI_TRANSITIONS=770} [2021-03-25 18:11:47,393 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 767 predicate places. [2021-03-25 18:11:47,394 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:11:47,394 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 805 places, 770 transitions, 46144 flow [2021-03-25 18:11:47,394 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 805 places, 770 transitions, 46144 flow [2021-03-25 18:11:47,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 803 places, 770 transitions, 46144 flow [2021-03-25 18:11:48,403 INFO L129 PetriNetUnfolder]: 280/3706 cut-off events. [2021-03-25 18:11:48,403 INFO L130 PetriNetUnfolder]: For 265802/265952 co-relation queries the response was YES. [2021-03-25 18:11:48,459 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37357 conditions, 3706 events. 280/3706 cut-off events. For 265802/265952 co-relation queries the response was YES. Maximal size of possible extension queue 667. Compared 56251 event pairs, 0 based on Foata normal form. 1/3615 useless extension candidates. Maximal degree in co-relation 37153. Up to 560 conditions per place. [2021-03-25 18:11:48,504 INFO L142 LiptonReduction]: Number of co-enabled transitions 4516 [2021-03-25 18:11:48,596 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:11:48,596 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:11:48,596 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1202 [2021-03-25 18:11:48,596 INFO L480 AbstractCegarLoop]: Abstraction has has 803 places, 770 transitions, 46144 flow [2021-03-25 18:11:48,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:48,597 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:11:48,597 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:11:48,597 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2021-03-25 18:11:48,597 INFO L428 AbstractCegarLoop]: === Iteration 224 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:11:48,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:11:48,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1652673100, now seen corresponding path program 220 times [2021-03-25 18:11:48,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:11:48,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144176421] [2021-03-25 18:11:48,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:11:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:11:48,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:48,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:11:48,605 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:48,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:11:48,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:48,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:11:48,616 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:11:48,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:11:48,634 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:11:48,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:11:48,655 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:11:48,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:11:48,675 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:11:48,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:11:48,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:11:48,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144176421] [2021-03-25 18:11:48,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:11:48,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:11:48,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637058313] [2021-03-25 18:11:48,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:11:48,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:11:48,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:11:48,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:11:48,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:11:48,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 803 places, 770 transitions, 46144 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:48,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:11:48,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:11:48,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:11:50,600 INFO L129 PetriNetUnfolder]: 293/3730 cut-off events. [2021-03-25 18:11:50,600 INFO L130 PetriNetUnfolder]: For 269230/269344 co-relation queries the response was YES. [2021-03-25 18:11:50,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39051 conditions, 3730 events. 293/3730 cut-off events. For 269230/269344 co-relation queries the response was YES. Maximal size of possible extension queue 665. Compared 56045 event pairs, 13 based on Foata normal form. 12/3692 useless extension candidates. Maximal degree in co-relation 38846. Up to 731 conditions per place. [2021-03-25 18:11:50,665 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 454 selfloop transitions, 304 changer transitions 2/774 dead transitions. [2021-03-25 18:11:50,665 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 810 places, 774 transitions, 47736 flow [2021-03-25 18:11:50,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:11:50,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:11:50,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:11:50,666 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:11:50,666 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:11:50,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:11:50,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:11:50,666 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:11:50,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:50,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:50,666 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:50,667 INFO L185 Difference]: Start difference. First operand has 803 places, 770 transitions, 46144 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:11:50,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 810 places, 774 transitions, 47736 flow [2021-03-25 18:11:53,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 805 places, 774 transitions, 47138 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-25 18:11:53,255 INFO L241 Difference]: Finished difference. Result has 806 places, 768 transitions, 46020 flow [2021-03-25 18:11:53,255 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45554, PETRI_DIFFERENCE_MINUEND_PLACES=798, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=304, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=466, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46020, PETRI_PLACES=806, PETRI_TRANSITIONS=768} [2021-03-25 18:11:53,255 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 768 predicate places. [2021-03-25 18:11:53,255 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:11:53,256 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 806 places, 768 transitions, 46020 flow [2021-03-25 18:11:53,256 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 806 places, 768 transitions, 46020 flow [2021-03-25 18:11:53,268 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 805 places, 768 transitions, 46020 flow [2021-03-25 18:11:54,255 INFO L129 PetriNetUnfolder]: 279/3696 cut-off events. [2021-03-25 18:11:54,255 INFO L130 PetriNetUnfolder]: For 265164/265314 co-relation queries the response was YES. [2021-03-25 18:11:54,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37277 conditions, 3696 events. 279/3696 cut-off events. For 265164/265314 co-relation queries the response was YES. Maximal size of possible extension queue 662. Compared 56068 event pairs, 0 based on Foata normal form. 1/3605 useless extension candidates. Maximal degree in co-relation 37073. Up to 558 conditions per place. [2021-03-25 18:11:54,358 INFO L142 LiptonReduction]: Number of co-enabled transitions 4498 [2021-03-25 18:11:54,449 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:11:54,450 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:11:54,450 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1195 [2021-03-25 18:11:54,450 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 768 transitions, 46020 flow [2021-03-25 18:11:54,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:54,450 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:11:54,450 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:11:54,450 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2021-03-25 18:11:54,450 INFO L428 AbstractCegarLoop]: === Iteration 225 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:11:54,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:11:54,451 INFO L82 PathProgramCache]: Analyzing trace with hash -911473730, now seen corresponding path program 221 times [2021-03-25 18:11:54,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:11:54,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545342773] [2021-03-25 18:11:54,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:11:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:11:54,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:54,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:11:54,456 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:54,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:11:54,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:11:54,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:11:54,467 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:11:54,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:11:54,486 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:11:54,486 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:11:54,507 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:11:54,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:11:54,526 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:11:54,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:11:54,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:11:54,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545342773] [2021-03-25 18:11:54,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:11:54,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:11:54,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419444444] [2021-03-25 18:11:54,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:11:54,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:11:54,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:11:54,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:11:54,545 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:11:54,546 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 805 places, 768 transitions, 46020 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:54,546 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:11:54,546 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:11:54,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:11:56,561 INFO L129 PetriNetUnfolder]: 292/3720 cut-off events. [2021-03-25 18:11:56,561 INFO L130 PetriNetUnfolder]: For 268633/268749 co-relation queries the response was YES. [2021-03-25 18:11:56,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38968 conditions, 3720 events. 292/3720 cut-off events. For 268633/268749 co-relation queries the response was YES. Maximal size of possible extension queue 662. Compared 55813 event pairs, 13 based on Foata normal form. 13/3683 useless extension candidates. Maximal degree in co-relation 38763. Up to 731 conditions per place. [2021-03-25 18:11:56,618 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 455 selfloop transitions, 299 changer transitions 3/771 dead transitions. [2021-03-25 18:11:56,618 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 771 transitions, 47588 flow [2021-03-25 18:11:56,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:11:56,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:11:56,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-25 18:11:56,619 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-25 18:11:56,619 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-25 18:11:56,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-25 18:11:56,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:11:56,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-25 18:11:56,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:56,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:56,620 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:11:56,620 INFO L185 Difference]: Start difference. First operand has 805 places, 768 transitions, 46020 flow. Second operand 8 states and 466 transitions. [2021-03-25 18:11:56,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 771 transitions, 47588 flow [2021-03-25 18:11:59,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 807 places, 771 transitions, 47001 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-03-25 18:11:59,052 INFO L241 Difference]: Finished difference. Result has 808 places, 765 transitions, 45858 flow [2021-03-25 18:11:59,053 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45439, PETRI_DIFFERENCE_MINUEND_PLACES=800, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=768, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=299, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=469, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45858, PETRI_PLACES=808, PETRI_TRANSITIONS=765} [2021-03-25 18:11:59,053 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 770 predicate places. [2021-03-25 18:11:59,053 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:11:59,053 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 808 places, 765 transitions, 45858 flow [2021-03-25 18:11:59,053 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 808 places, 765 transitions, 45858 flow [2021-03-25 18:11:59,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 805 places, 765 transitions, 45858 flow [2021-03-25 18:12:00,018 INFO L129 PetriNetUnfolder]: 278/3685 cut-off events. [2021-03-25 18:12:00,018 INFO L130 PetriNetUnfolder]: For 262934/263050 co-relation queries the response was YES. [2021-03-25 18:12:00,070 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37216 conditions, 3685 events. 278/3685 cut-off events. For 262934/263050 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55628 event pairs, 0 based on Foata normal form. 1/3635 useless extension candidates. Maximal degree in co-relation 37013. Up to 556 conditions per place. [2021-03-25 18:12:00,114 INFO L142 LiptonReduction]: Number of co-enabled transitions 4490 [2021-03-25 18:12:00,206 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:12:00,206 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:12:00,206 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1153 [2021-03-25 18:12:00,206 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 765 transitions, 45858 flow [2021-03-25 18:12:00,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:00,206 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:12:00,206 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:12:00,206 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2021-03-25 18:12:00,206 INFO L428 AbstractCegarLoop]: === Iteration 226 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:12:00,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:12:00,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1083225230, now seen corresponding path program 222 times [2021-03-25 18:12:00,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:12:00,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147081927] [2021-03-25 18:12:00,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:12:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:12:00,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:00,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:12:00,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:00,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:12:00,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:00,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:12:00,224 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:12:00,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:12:00,242 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:12:00,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:12:00,267 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:12:00,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:12:00,286 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:12:00,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:12:00,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:12:00,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147081927] [2021-03-25 18:12:00,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:12:00,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:12:00,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624601219] [2021-03-25 18:12:00,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:12:00,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:12:00,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:12:00,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:12:00,305 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:12:00,305 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 805 places, 765 transitions, 45858 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:00,305 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:12:00,305 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:12:00,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:12:02,205 INFO L129 PetriNetUnfolder]: 291/3709 cut-off events. [2021-03-25 18:12:02,205 INFO L130 PetriNetUnfolder]: For 266498/266614 co-relation queries the response was YES. [2021-03-25 18:12:02,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38903 conditions, 3709 events. 291/3709 cut-off events. For 266498/266614 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55692 event pairs, 13 based on Foata normal form. 13/3672 useless extension candidates. Maximal degree in co-relation 38699. Up to 731 conditions per place. [2021-03-25 18:12:02,265 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 461 selfloop transitions, 292 changer transitions 2/769 dead transitions. [2021-03-25 18:12:02,265 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 769 transitions, 47440 flow [2021-03-25 18:12:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:12:02,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:12:02,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:12:02,266 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:12:02,266 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:12:02,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:12:02,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:12:02,266 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:12:02,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:02,267 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:02,267 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:02,267 INFO L185 Difference]: Start difference. First operand has 805 places, 765 transitions, 45858 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:12:02,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 769 transitions, 47440 flow [2021-03-25 18:12:04,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 805 places, 769 transitions, 46642 flow, removed 11 selfloop flow, removed 7 redundant places. [2021-03-25 18:12:04,596 INFO L241 Difference]: Finished difference. Result has 806 places, 763 transitions, 45514 flow [2021-03-25 18:12:04,597 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45068, PETRI_DIFFERENCE_MINUEND_PLACES=798, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=765, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=292, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=473, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45514, PETRI_PLACES=806, PETRI_TRANSITIONS=763} [2021-03-25 18:12:04,597 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 768 predicate places. [2021-03-25 18:12:04,597 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:12:04,597 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 806 places, 763 transitions, 45514 flow [2021-03-25 18:12:04,597 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 806 places, 763 transitions, 45514 flow [2021-03-25 18:12:04,610 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 805 places, 763 transitions, 45514 flow [2021-03-25 18:12:05,591 INFO L129 PetriNetUnfolder]: 277/3675 cut-off events. [2021-03-25 18:12:05,591 INFO L130 PetriNetUnfolder]: For 261136/261251 co-relation queries the response was YES. [2021-03-25 18:12:05,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36946 conditions, 3675 events. 277/3675 cut-off events. For 261136/261251 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 55532 event pairs, 0 based on Foata normal form. 1/3623 useless extension candidates. Maximal degree in co-relation 36743. Up to 554 conditions per place. [2021-03-25 18:12:05,692 INFO L142 LiptonReduction]: Number of co-enabled transitions 4486 [2021-03-25 18:12:05,780 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:12:05,780 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:12:05,780 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1183 [2021-03-25 18:12:05,780 INFO L480 AbstractCegarLoop]: Abstraction has has 805 places, 763 transitions, 45514 flow [2021-03-25 18:12:05,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:05,780 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:12:05,780 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:12:05,781 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225 [2021-03-25 18:12:05,781 INFO L428 AbstractCegarLoop]: === Iteration 227 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:12:05,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:12:05,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1983543004, now seen corresponding path program 223 times [2021-03-25 18:12:05,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:12:05,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131864736] [2021-03-25 18:12:05,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:12:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:12:05,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:05,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:12:05,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:05,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:12:05,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:05,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:12:05,797 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:12:05,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:12:05,816 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:12:05,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:12:05,841 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:12:05,842 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:12:05,860 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:12:05,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:12:05,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:12:05,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131864736] [2021-03-25 18:12:05,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:12:05,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:12:05,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76137416] [2021-03-25 18:12:05,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:12:05,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:12:05,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:12:05,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:12:05,880 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:12:05,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 805 places, 763 transitions, 45514 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:05,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:12:05,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:12:05,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:12:07,774 INFO L129 PetriNetUnfolder]: 290/3699 cut-off events. [2021-03-25 18:12:07,774 INFO L130 PetriNetUnfolder]: For 264868/264982 co-relation queries the response was YES. [2021-03-25 18:12:07,828 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38630 conditions, 3699 events. 290/3699 cut-off events. For 264868/264982 co-relation queries the response was YES. Maximal size of possible extension queue 660. Compared 55534 event pairs, 13 based on Foata normal form. 12/3661 useless extension candidates. Maximal degree in co-relation 38426. Up to 731 conditions per place. [2021-03-25 18:12:07,836 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 460 selfloop transitions, 291 changer transitions 2/767 dead transitions. [2021-03-25 18:12:07,836 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 812 places, 767 transitions, 47092 flow [2021-03-25 18:12:07,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:12:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:12:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:12:07,837 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:12:07,837 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:12:07,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:12:07,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:12:07,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:12:07,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:07,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:07,838 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:07,838 INFO L185 Difference]: Start difference. First operand has 805 places, 763 transitions, 45514 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:12:07,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 812 places, 767 transitions, 47092 flow [2021-03-25 18:12:10,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 807 places, 767 transitions, 46510 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-25 18:12:10,332 INFO L241 Difference]: Finished difference. Result has 808 places, 761 transitions, 45386 flow [2021-03-25 18:12:10,332 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44940, PETRI_DIFFERENCE_MINUEND_PLACES=800, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=291, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=472, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45386, PETRI_PLACES=808, PETRI_TRANSITIONS=761} [2021-03-25 18:12:10,332 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 770 predicate places. [2021-03-25 18:12:10,333 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:12:10,333 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 808 places, 761 transitions, 45386 flow [2021-03-25 18:12:10,333 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 808 places, 761 transitions, 45386 flow [2021-03-25 18:12:10,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 807 places, 761 transitions, 45386 flow [2021-03-25 18:12:11,314 INFO L129 PetriNetUnfolder]: 276/3665 cut-off events. [2021-03-25 18:12:11,314 INFO L130 PetriNetUnfolder]: For 259505/259653 co-relation queries the response was YES. [2021-03-25 18:12:11,366 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36898 conditions, 3665 events. 276/3665 cut-off events. For 259505/259653 co-relation queries the response was YES. Maximal size of possible extension queue 659. Compared 55325 event pairs, 0 based on Foata normal form. 0/3613 useless extension candidates. Maximal degree in co-relation 36696. Up to 552 conditions per place. [2021-03-25 18:12:11,411 INFO L142 LiptonReduction]: Number of co-enabled transitions 4474 [2021-03-25 18:12:11,498 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:12:11,498 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:12:11,498 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1165 [2021-03-25 18:12:11,498 INFO L480 AbstractCegarLoop]: Abstraction has has 807 places, 761 transitions, 45386 flow [2021-03-25 18:12:11,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:11,498 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:12:11,498 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:12:11,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226 [2021-03-25 18:12:11,498 INFO L428 AbstractCegarLoop]: === Iteration 228 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:12:11,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:12:11,499 INFO L82 PathProgramCache]: Analyzing trace with hash -238904126, now seen corresponding path program 224 times [2021-03-25 18:12:11,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:12:11,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946617750] [2021-03-25 18:12:11,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:12:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:12:11,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:11,504 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:12:11,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:11,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:12:11,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:11,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:12:11,515 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:12:11,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:12:11,534 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:12:11,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:12:11,548 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:12:11,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:12:11,567 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:12:11,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:12:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:12:11,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946617750] [2021-03-25 18:12:11,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:12:11,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:12:11,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157476714] [2021-03-25 18:12:11,586 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:12:11,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:12:11,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:12:11,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:12:11,586 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:12:11,586 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 807 places, 761 transitions, 45386 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:11,586 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:12:11,586 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:12:11,587 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:12:13,386 INFO L129 PetriNetUnfolder]: 289/3689 cut-off events. [2021-03-25 18:12:13,387 INFO L130 PetriNetUnfolder]: For 262831/262947 co-relation queries the response was YES. [2021-03-25 18:12:13,439 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38579 conditions, 3689 events. 289/3689 cut-off events. For 262831/262947 co-relation queries the response was YES. Maximal size of possible extension queue 657. Compared 55297 event pairs, 13 based on Foata normal form. 13/3652 useless extension candidates. Maximal degree in co-relation 38376. Up to 731 conditions per place. [2021-03-25 18:12:13,448 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 450 selfloop transitions, 296 changer transitions 5/765 dead transitions. [2021-03-25 18:12:13,448 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 814 places, 765 transitions, 46960 flow [2021-03-25 18:12:13,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:12:13,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:12:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:12:13,449 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:12:13,449 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:12:13,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:12:13,449 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:12:13,449 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:12:13,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:13,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:13,450 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:13,450 INFO L185 Difference]: Start difference. First operand has 807 places, 761 transitions, 45386 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:12:13,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 814 places, 765 transitions, 46960 flow [2021-03-25 18:12:16,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 809 places, 765 transitions, 46376 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-25 18:12:16,071 INFO L241 Difference]: Finished difference. Result has 810 places, 756 transitions, 45054 flow [2021-03-25 18:12:16,072 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44810, PETRI_DIFFERENCE_MINUEND_PLACES=802, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=761, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=296, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45054, PETRI_PLACES=810, PETRI_TRANSITIONS=756} [2021-03-25 18:12:16,072 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 772 predicate places. [2021-03-25 18:12:16,072 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:12:16,072 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 810 places, 756 transitions, 45054 flow [2021-03-25 18:12:16,072 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 810 places, 756 transitions, 45054 flow [2021-03-25 18:12:16,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 806 places, 756 transitions, 45054 flow [2021-03-25 18:12:17,049 INFO L129 PetriNetUnfolder]: 275/3647 cut-off events. [2021-03-25 18:12:17,050 INFO L130 PetriNetUnfolder]: For 257584/257709 co-relation queries the response was YES. [2021-03-25 18:12:17,102 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36639 conditions, 3647 events. 275/3647 cut-off events. For 257584/257709 co-relation queries the response was YES. Maximal size of possible extension queue 658. Compared 54898 event pairs, 0 based on Foata normal form. 1/3594 useless extension candidates. Maximal degree in co-relation 36437. Up to 550 conditions per place. [2021-03-25 18:12:17,146 INFO L142 LiptonReduction]: Number of co-enabled transitions 4430 [2021-03-25 18:12:17,233 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:12:17,233 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:12:17,234 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1162 [2021-03-25 18:12:17,234 INFO L480 AbstractCegarLoop]: Abstraction has has 806 places, 756 transitions, 45054 flow [2021-03-25 18:12:17,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:17,234 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:12:17,234 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:12:17,234 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable227 [2021-03-25 18:12:17,234 INFO L428 AbstractCegarLoop]: === Iteration 229 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:12:17,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:12:17,234 INFO L82 PathProgramCache]: Analyzing trace with hash 21695256, now seen corresponding path program 225 times [2021-03-25 18:12:17,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:12:17,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975054345] [2021-03-25 18:12:17,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:12:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:12:17,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:17,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:12:17,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:17,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:12:17,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:17,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:12:17,251 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:12:17,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:12:17,261 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:12:17,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:12:17,276 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:12:17,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:12:17,295 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:12:17,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:12:17,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:12:17,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975054345] [2021-03-25 18:12:17,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:12:17,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:12:17,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436111121] [2021-03-25 18:12:17,314 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:12:17,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:12:17,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:12:17,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:12:17,314 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:12:17,314 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 806 places, 756 transitions, 45054 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:17,315 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:12:17,315 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:12:17,315 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:12:19,047 INFO L129 PetriNetUnfolder]: 288/3671 cut-off events. [2021-03-25 18:12:19,047 INFO L130 PetriNetUnfolder]: For 261147/261263 co-relation queries the response was YES. [2021-03-25 18:12:19,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38312 conditions, 3671 events. 288/3671 cut-off events. For 261147/261263 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 55001 event pairs, 13 based on Foata normal form. 13/3635 useless extension candidates. Maximal degree in co-relation 38109. Up to 731 conditions per place. [2021-03-25 18:12:19,108 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 478 selfloop transitions, 280 changer transitions 0/772 dead transitions. [2021-03-25 18:12:19,108 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 813 places, 772 transitions, 47294 flow [2021-03-25 18:12:19,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:12:19,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:12:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:12:19,109 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:12:19,109 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:12:19,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:12:19,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:12:19,109 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:12:19,110 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:19,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:19,110 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:19,110 INFO L185 Difference]: Start difference. First operand has 806 places, 756 transitions, 45054 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:12:19,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 813 places, 772 transitions, 47294 flow [2021-03-25 18:12:21,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 807 places, 772 transitions, 46674 flow, removed 14 selfloop flow, removed 6 redundant places. [2021-03-25 18:12:21,588 INFO L241 Difference]: Finished difference. Result has 810 places, 765 transitions, 45595 flow [2021-03-25 18:12:21,589 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44464, PETRI_DIFFERENCE_MINUEND_PLACES=800, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=756, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=271, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=476, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45595, PETRI_PLACES=810, PETRI_TRANSITIONS=765} [2021-03-25 18:12:21,589 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 772 predicate places. [2021-03-25 18:12:21,589 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:12:21,589 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 810 places, 765 transitions, 45595 flow [2021-03-25 18:12:21,589 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 810 places, 765 transitions, 45595 flow [2021-03-25 18:12:21,601 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 810 places, 765 transitions, 45595 flow [2021-03-25 18:12:22,538 INFO L129 PetriNetUnfolder]: 275/3646 cut-off events. [2021-03-25 18:12:22,538 INFO L130 PetriNetUnfolder]: For 255989/256105 co-relation queries the response was YES. [2021-03-25 18:12:22,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36299 conditions, 3646 events. 275/3646 cut-off events. For 255989/256105 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 54906 event pairs, 0 based on Foata normal form. 1/3598 useless extension candidates. Maximal degree in co-relation 36096. Up to 550 conditions per place. [2021-03-25 18:12:22,635 INFO L142 LiptonReduction]: Number of co-enabled transitions 4466 [2021-03-25 18:12:22,726 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:12:22,726 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:12:22,726 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1137 [2021-03-25 18:12:22,726 INFO L480 AbstractCegarLoop]: Abstraction has has 810 places, 765 transitions, 45595 flow [2021-03-25 18:12:22,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:22,727 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:12:22,727 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:12:22,727 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable228 [2021-03-25 18:12:22,727 INFO L428 AbstractCegarLoop]: === Iteration 230 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:12:22,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:12:22,727 INFO L82 PathProgramCache]: Analyzing trace with hash -932479938, now seen corresponding path program 226 times [2021-03-25 18:12:22,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:12:22,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999058924] [2021-03-25 18:12:22,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:12:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:12:22,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:22,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:12:22,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:22,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:12:22,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:22,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:12:22,743 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:12:22,752 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:12:22,763 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:12:22,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:12:22,788 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:12:22,789 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:12:22,807 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:12:22,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:12:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:12:22,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999058924] [2021-03-25 18:12:22,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:12:22,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:12:22,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188293235] [2021-03-25 18:12:22,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:12:22,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:12:22,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:12:22,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:12:22,827 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:12:22,827 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 810 places, 765 transitions, 45595 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:22,827 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:12:22,827 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:12:22,827 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:12:24,537 INFO L129 PetriNetUnfolder]: 288/3670 cut-off events. [2021-03-25 18:12:24,537 INFO L130 PetriNetUnfolder]: For 259300/259416 co-relation queries the response was YES. [2021-03-25 18:12:24,591 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37972 conditions, 3670 events. 288/3670 cut-off events. For 259300/259416 co-relation queries the response was YES. Maximal size of possible extension queue 654. Compared 54944 event pairs, 13 based on Foata normal form. 13/3634 useless extension candidates. Maximal degree in co-relation 37768. Up to 731 conditions per place. [2021-03-25 18:12:24,599 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 480 selfloop transitions, 276 changer transitions 2/772 dead transitions. [2021-03-25 18:12:24,600 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 817 places, 772 transitions, 47313 flow [2021-03-25 18:12:24,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:12:24,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:12:24,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:12:24,601 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:12:24,601 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:12:24,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:12:24,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:12:24,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:12:24,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:24,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:24,601 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:24,601 INFO L185 Difference]: Start difference. First operand has 810 places, 765 transitions, 45595 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:12:24,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 817 places, 772 transitions, 47313 flow [2021-03-25 18:12:27,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 815 places, 772 transitions, 46903 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-03-25 18:12:27,115 INFO L241 Difference]: Finished difference. Result has 817 places, 766 transitions, 45776 flow [2021-03-25 18:12:27,115 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45185, PETRI_DIFFERENCE_MINUEND_PLACES=808, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=765, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=273, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=489, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45776, PETRI_PLACES=817, PETRI_TRANSITIONS=766} [2021-03-25 18:12:27,115 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 779 predicate places. [2021-03-25 18:12:27,116 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:12:27,116 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 817 places, 766 transitions, 45776 flow [2021-03-25 18:12:27,116 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 817 places, 766 transitions, 45776 flow [2021-03-25 18:12:27,129 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 816 places, 766 transitions, 45776 flow [2021-03-25 18:12:28,132 INFO L129 PetriNetUnfolder]: 274/3636 cut-off events. [2021-03-25 18:12:28,132 INFO L130 PetriNetUnfolder]: For 259203/259319 co-relation queries the response was YES. [2021-03-25 18:12:28,188 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36736 conditions, 3636 events. 274/3636 cut-off events. For 259203/259319 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 54763 event pairs, 0 based on Foata normal form. 1/3587 useless extension candidates. Maximal degree in co-relation 36531. Up to 548 conditions per place. [2021-03-25 18:12:28,236 INFO L142 LiptonReduction]: Number of co-enabled transitions 4468 [2021-03-25 18:12:28,326 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:12:28,326 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:12:28,327 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1211 [2021-03-25 18:12:28,327 INFO L480 AbstractCegarLoop]: Abstraction has has 816 places, 766 transitions, 45776 flow [2021-03-25 18:12:28,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:28,327 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:12:28,327 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:12:28,327 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable229 [2021-03-25 18:12:28,327 INFO L428 AbstractCegarLoop]: === Iteration 231 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:12:28,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:12:28,327 INFO L82 PathProgramCache]: Analyzing trace with hash 2081982842, now seen corresponding path program 227 times [2021-03-25 18:12:28,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:12:28,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702969513] [2021-03-25 18:12:28,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:12:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:12:28,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:28,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:12:28,333 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:28,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:12:28,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:28,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:12:28,344 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:12:28,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:12:28,354 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:12:28,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:12:28,368 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:12:28,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:12:28,387 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:12:28,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:12:28,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:12:28,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702969513] [2021-03-25 18:12:28,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:12:28,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:12:28,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460860013] [2021-03-25 18:12:28,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:12:28,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:12:28,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:12:28,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:12:28,406 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:12:28,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 816 places, 766 transitions, 45776 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:28,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:12:28,407 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:12:28,407 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:12:30,298 INFO L129 PetriNetUnfolder]: 287/3660 cut-off events. [2021-03-25 18:12:30,298 INFO L130 PetriNetUnfolder]: For 262699/262813 co-relation queries the response was YES. [2021-03-25 18:12:30,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38405 conditions, 3660 events. 287/3660 cut-off events. For 262699/262813 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 54799 event pairs, 13 based on Foata normal form. 12/3623 useless extension candidates. Maximal degree in co-relation 38199. Up to 731 conditions per place. [2021-03-25 18:12:30,360 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 475 selfloop transitions, 276 changer transitions 5/770 dead transitions. [2021-03-25 18:12:30,360 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 823 places, 770 transitions, 47360 flow [2021-03-25 18:12:30,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:12:30,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:12:30,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:12:30,361 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:12:30,361 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:12:30,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:12:30,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:12:30,361 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:12:30,361 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:30,362 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:30,362 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:30,362 INFO L185 Difference]: Start difference. First operand has 816 places, 766 transitions, 45776 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:12:30,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 823 places, 770 transitions, 47360 flow [2021-03-25 18:12:32,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 818 places, 770 transitions, 46734 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-03-25 18:12:32,902 INFO L241 Difference]: Finished difference. Result has 819 places, 761 transitions, 45365 flow [2021-03-25 18:12:32,903 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45158, PETRI_DIFFERENCE_MINUEND_PLACES=811, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=766, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=276, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45365, PETRI_PLACES=819, PETRI_TRANSITIONS=761} [2021-03-25 18:12:32,903 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 781 predicate places. [2021-03-25 18:12:32,903 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:12:32,903 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 819 places, 761 transitions, 45365 flow [2021-03-25 18:12:32,903 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 819 places, 761 transitions, 45365 flow [2021-03-25 18:12:32,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 817 places, 761 transitions, 45365 flow [2021-03-25 18:12:33,865 INFO L129 PetriNetUnfolder]: 273/3619 cut-off events. [2021-03-25 18:12:33,865 INFO L130 PetriNetUnfolder]: For 257549/257696 co-relation queries the response was YES. [2021-03-25 18:12:33,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36443 conditions, 3619 events. 273/3619 cut-off events. For 257549/257696 co-relation queries the response was YES. Maximal size of possible extension queue 652. Compared 54488 event pairs, 0 based on Foata normal form. 0/3568 useless extension candidates. Maximal degree in co-relation 36238. Up to 546 conditions per place. [2021-03-25 18:12:33,965 INFO L142 LiptonReduction]: Number of co-enabled transitions 4432 [2021-03-25 18:12:34,172 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:12:34,172 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:12:34,172 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1269 [2021-03-25 18:12:34,172 INFO L480 AbstractCegarLoop]: Abstraction has has 817 places, 761 transitions, 45365 flow [2021-03-25 18:12:34,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:34,173 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:12:34,173 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:12:34,173 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable230 [2021-03-25 18:12:34,173 INFO L428 AbstractCegarLoop]: === Iteration 232 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:12:34,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:12:34,173 INFO L82 PathProgramCache]: Analyzing trace with hash -394624360, now seen corresponding path program 228 times [2021-03-25 18:12:34,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:12:34,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634581960] [2021-03-25 18:12:34,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:12:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:12:34,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:34,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:12:34,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:34,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:12:34,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:34,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:12:34,190 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:12:34,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:12:34,200 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:12:34,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:12:34,215 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:12:34,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:12:34,234 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:12:34,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:12:34,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:12:34,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634581960] [2021-03-25 18:12:34,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:12:34,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:12:34,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315903499] [2021-03-25 18:12:34,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:12:34,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:12:34,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:12:34,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:12:34,254 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:12:34,254 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 817 places, 761 transitions, 45365 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:34,254 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:12:34,255 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:12:34,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:12:36,088 INFO L129 PetriNetUnfolder]: 286/3643 cut-off events. [2021-03-25 18:12:36,088 INFO L130 PetriNetUnfolder]: For 260940/261054 co-relation queries the response was YES. [2021-03-25 18:12:36,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38106 conditions, 3643 events. 286/3643 cut-off events. For 260940/261054 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 54447 event pairs, 13 based on Foata normal form. 12/3606 useless extension candidates. Maximal degree in co-relation 37900. Up to 731 conditions per place. [2021-03-25 18:12:36,153 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 476 selfloop transitions, 271 changer transitions 3/764 dead transitions. [2021-03-25 18:12:36,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 824 places, 764 transitions, 46919 flow [2021-03-25 18:12:36,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:12:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:12:36,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-25 18:12:36,154 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-25 18:12:36,154 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-25 18:12:36,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-25 18:12:36,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:12:36,154 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-25 18:12:36,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:36,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:36,155 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:36,155 INFO L185 Difference]: Start difference. First operand has 817 places, 761 transitions, 45365 flow. Second operand 8 states and 466 transitions. [2021-03-25 18:12:36,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 824 places, 764 transitions, 46919 flow [2021-03-25 18:12:38,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 818 places, 764 transitions, 46360 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-25 18:12:38,769 INFO L241 Difference]: Finished difference. Result has 819 places, 758 transitions, 45179 flow [2021-03-25 18:12:38,769 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44818, PETRI_DIFFERENCE_MINUEND_PLACES=811, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=761, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=271, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=490, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45179, PETRI_PLACES=819, PETRI_TRANSITIONS=758} [2021-03-25 18:12:38,770 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 781 predicate places. [2021-03-25 18:12:38,770 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:12:38,770 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 819 places, 758 transitions, 45179 flow [2021-03-25 18:12:38,770 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 819 places, 758 transitions, 45179 flow [2021-03-25 18:12:38,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 817 places, 758 transitions, 45179 flow [2021-03-25 18:12:39,793 INFO L129 PetriNetUnfolder]: 272/3608 cut-off events. [2021-03-25 18:12:39,793 INFO L130 PetriNetUnfolder]: For 254039/254164 co-relation queries the response was YES. [2021-03-25 18:12:39,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35974 conditions, 3608 events. 272/3608 cut-off events. For 254039/254164 co-relation queries the response was YES. Maximal size of possible extension queue 652. Compared 54232 event pairs, 0 based on Foata normal form. 1/3553 useless extension candidates. Maximal degree in co-relation 35770. Up to 544 conditions per place. [2021-03-25 18:12:39,881 INFO L142 LiptonReduction]: Number of co-enabled transitions 4426 [2021-03-25 18:12:39,958 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:12:39,959 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:12:39,959 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1189 [2021-03-25 18:12:39,959 INFO L480 AbstractCegarLoop]: Abstraction has has 817 places, 758 transitions, 45179 flow [2021-03-25 18:12:39,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:39,959 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:12:39,959 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:12:39,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable231 [2021-03-25 18:12:39,959 INFO L428 AbstractCegarLoop]: === Iteration 233 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:12:39,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:12:39,959 INFO L82 PathProgramCache]: Analyzing trace with hash 556925058, now seen corresponding path program 229 times [2021-03-25 18:12:39,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:12:39,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685082430] [2021-03-25 18:12:39,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:12:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:12:39,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:39,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:12:39,965 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:39,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:12:39,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:39,969 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:12:39,976 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:12:39,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:12:39,986 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:12:39,986 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:12:40,011 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:12:40,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:12:40,030 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:12:40,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:12:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:12:40,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685082430] [2021-03-25 18:12:40,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:12:40,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:12:40,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300749162] [2021-03-25 18:12:40,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:12:40,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:12:40,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:12:40,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:12:40,049 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:12:40,049 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 817 places, 758 transitions, 45179 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:40,049 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:12:40,049 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:12:40,049 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:12:41,845 INFO L129 PetriNetUnfolder]: 285/3632 cut-off events. [2021-03-25 18:12:41,845 INFO L130 PetriNetUnfolder]: For 257237/257353 co-relation queries the response was YES. [2021-03-25 18:12:41,898 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37634 conditions, 3632 events. 285/3632 cut-off events. For 257237/257353 co-relation queries the response was YES. Maximal size of possible extension queue 649. Compared 54314 event pairs, 13 based on Foata normal form. 13/3596 useless extension candidates. Maximal degree in co-relation 37429. Up to 731 conditions per place. [2021-03-25 18:12:41,906 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 271 changer transitions 3/762 dead transitions. [2021-03-25 18:12:41,906 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 824 places, 762 transitions, 46739 flow [2021-03-25 18:12:41,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:12:41,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:12:41,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-25 18:12:41,907 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-25 18:12:41,907 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-25 18:12:41,907 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-25 18:12:41,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:12:41,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-25 18:12:41,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:41,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:41,908 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:41,908 INFO L185 Difference]: Start difference. First operand has 817 places, 758 transitions, 45179 flow. Second operand 8 states and 466 transitions. [2021-03-25 18:12:41,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 824 places, 762 transitions, 46739 flow [2021-03-25 18:12:44,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 819 places, 762 transitions, 46187 flow, removed 8 selfloop flow, removed 5 redundant places. [2021-03-25 18:12:44,423 INFO L241 Difference]: Finished difference. Result has 820 places, 755 transitions, 44989 flow [2021-03-25 18:12:44,423 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44635, PETRI_DIFFERENCE_MINUEND_PLACES=812, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=758, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=271, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=487, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44989, PETRI_PLACES=820, PETRI_TRANSITIONS=755} [2021-03-25 18:12:44,423 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 782 predicate places. [2021-03-25 18:12:44,423 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:12:44,423 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 820 places, 755 transitions, 44989 flow [2021-03-25 18:12:44,424 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 820 places, 755 transitions, 44989 flow [2021-03-25 18:12:44,436 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 818 places, 755 transitions, 44989 flow [2021-03-25 18:12:45,447 INFO L129 PetriNetUnfolder]: 271/3597 cut-off events. [2021-03-25 18:12:45,447 INFO L130 PetriNetUnfolder]: For 253090/253206 co-relation queries the response was YES. [2021-03-25 18:12:45,501 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35857 conditions, 3597 events. 271/3597 cut-off events. For 253090/253206 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 54018 event pairs, 0 based on Foata normal form. 1/3549 useless extension candidates. Maximal degree in co-relation 35653. Up to 542 conditions per place. [2021-03-25 18:12:45,546 INFO L142 LiptonReduction]: Number of co-enabled transitions 4412 [2021-03-25 18:12:45,625 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:12:45,625 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:12:45,626 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1203 [2021-03-25 18:12:45,626 INFO L480 AbstractCegarLoop]: Abstraction has has 818 places, 755 transitions, 44989 flow [2021-03-25 18:12:45,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:45,626 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:12:45,626 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:12:45,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable232 [2021-03-25 18:12:45,626 INFO L428 AbstractCegarLoop]: === Iteration 234 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:12:45,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:12:45,626 INFO L82 PathProgramCache]: Analyzing trace with hash 588344800, now seen corresponding path program 230 times [2021-03-25 18:12:45,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:12:45,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789193933] [2021-03-25 18:12:45,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:12:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:12:45,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:45,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:12:45,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:45,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:12:45,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:45,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:12:45,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:45,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:12:45,653 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:12:45,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:12:45,667 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:12:45,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:12:45,687 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:12:45,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:12:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:12:45,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789193933] [2021-03-25 18:12:45,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:12:45,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:12:45,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400491407] [2021-03-25 18:12:45,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:12:45,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:12:45,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:12:45,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:12:45,706 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:12:45,706 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 818 places, 755 transitions, 44989 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:45,707 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:12:45,707 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:12:45,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:12:47,560 INFO L129 PetriNetUnfolder]: 284/3621 cut-off events. [2021-03-25 18:12:47,561 INFO L130 PetriNetUnfolder]: For 256299/256415 co-relation queries the response was YES. [2021-03-25 18:12:47,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37513 conditions, 3621 events. 284/3621 cut-off events. For 256299/256415 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 54087 event pairs, 13 based on Foata normal form. 13/3585 useless extension candidates. Maximal degree in co-relation 37308. Up to 681 conditions per place. [2021-03-25 18:12:47,628 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 484 selfloop transitions, 295 changer transitions 5/798 dead transitions. [2021-03-25 18:12:47,628 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 825 places, 798 transitions, 48745 flow [2021-03-25 18:12:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:12:47,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:12:47,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:12:47,629 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:12:47,629 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:12:47,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:12:47,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:12:47,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:12:47,630 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:47,630 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:47,630 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:47,630 INFO L185 Difference]: Start difference. First operand has 818 places, 755 transitions, 44989 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:12:47,630 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 825 places, 798 transitions, 48745 flow [2021-03-25 18:12:50,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 821 places, 798 transitions, 48188 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-03-25 18:12:50,133 INFO L241 Difference]: Finished difference. Result has 823 places, 753 transitions, 44973 flow [2021-03-25 18:12:50,133 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44478, PETRI_DIFFERENCE_MINUEND_PLACES=814, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=755, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=293, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=460, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44973, PETRI_PLACES=823, PETRI_TRANSITIONS=753} [2021-03-25 18:12:50,133 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 785 predicate places. [2021-03-25 18:12:50,133 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:12:50,133 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 823 places, 753 transitions, 44973 flow [2021-03-25 18:12:50,133 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 823 places, 753 transitions, 44973 flow [2021-03-25 18:12:50,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 821 places, 753 transitions, 44973 flow [2021-03-25 18:12:51,116 INFO L129 PetriNetUnfolder]: 270/3580 cut-off events. [2021-03-25 18:12:51,116 INFO L130 PetriNetUnfolder]: For 252318/252436 co-relation queries the response was YES. [2021-03-25 18:12:51,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35739 conditions, 3580 events. 270/3580 cut-off events. For 252318/252436 co-relation queries the response was YES. Maximal size of possible extension queue 643. Compared 53788 event pairs, 0 based on Foata normal form. 1/3528 useless extension candidates. Maximal degree in co-relation 35534. Up to 540 conditions per place. [2021-03-25 18:12:51,212 INFO L142 LiptonReduction]: Number of co-enabled transitions 4406 [2021-03-25 18:12:51,290 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:12:51,290 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:12:51,290 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1157 [2021-03-25 18:12:51,291 INFO L480 AbstractCegarLoop]: Abstraction has has 821 places, 753 transitions, 44973 flow [2021-03-25 18:12:51,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:51,291 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:12:51,291 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:12:51,291 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable233 [2021-03-25 18:12:51,291 INFO L428 AbstractCegarLoop]: === Iteration 235 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:12:51,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:12:51,291 INFO L82 PathProgramCache]: Analyzing trace with hash -451141352, now seen corresponding path program 231 times [2021-03-25 18:12:51,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:12:51,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622548935] [2021-03-25 18:12:51,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:12:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:12:51,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:51,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:12:51,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:51,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:12:51,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:51,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:12:51,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:51,323 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:12:51,335 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:12:51,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:12:51,352 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:12:51,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:12:51,374 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:12:51,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:12:51,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:12:51,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622548935] [2021-03-25 18:12:51,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:12:51,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:12:51,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799080610] [2021-03-25 18:12:51,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:12:51,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:12:51,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:12:51,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:12:51,397 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:12:51,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 821 places, 753 transitions, 44973 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:51,398 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:12:51,398 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:12:51,398 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:12:53,201 INFO L129 PetriNetUnfolder]: 283/3604 cut-off events. [2021-03-25 18:12:53,201 INFO L130 PetriNetUnfolder]: For 255554/255673 co-relation queries the response was YES. [2021-03-25 18:12:53,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37389 conditions, 3604 events. 283/3604 cut-off events. For 255554/255673 co-relation queries the response was YES. Maximal size of possible extension queue 643. Compared 53786 event pairs, 13 based on Foata normal form. 13/3568 useless extension candidates. Maximal degree in co-relation 37183. Up to 681 conditions per place. [2021-03-25 18:12:53,261 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 488 selfloop transitions, 289 changer transitions 2/793 dead transitions. [2021-03-25 18:12:53,262 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 828 places, 793 transitions, 48475 flow [2021-03-25 18:12:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:12:53,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:12:53,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:12:53,262 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:12:53,263 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:12:53,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:12:53,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:12:53,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:12:53,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:53,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:53,263 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:53,263 INFO L185 Difference]: Start difference. First operand has 821 places, 753 transitions, 44973 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:12:53,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 828 places, 793 transitions, 48475 flow [2021-03-25 18:12:55,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 821 places, 793 transitions, 47877 flow, removed 14 selfloop flow, removed 7 redundant places. [2021-03-25 18:12:55,835 INFO L241 Difference]: Finished difference. Result has 823 places, 757 transitions, 45294 flow [2021-03-25 18:12:55,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44391, PETRI_DIFFERENCE_MINUEND_PLACES=814, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=753, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=283, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=464, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45294, PETRI_PLACES=823, PETRI_TRANSITIONS=757} [2021-03-25 18:12:55,835 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 785 predicate places. [2021-03-25 18:12:55,835 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:12:55,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 823 places, 757 transitions, 45294 flow [2021-03-25 18:12:55,835 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 823 places, 757 transitions, 45294 flow [2021-03-25 18:12:55,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 822 places, 757 transitions, 45294 flow [2021-03-25 18:12:56,817 INFO L129 PetriNetUnfolder]: 269/3570 cut-off events. [2021-03-25 18:12:56,817 INFO L130 PetriNetUnfolder]: For 250978/251095 co-relation queries the response was YES. [2021-03-25 18:12:56,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35333 conditions, 3570 events. 269/3570 cut-off events. For 250978/251095 co-relation queries the response was YES. Maximal size of possible extension queue 642. Compared 53569 event pairs, 0 based on Foata normal form. 1/3520 useless extension candidates. Maximal degree in co-relation 35129. Up to 538 conditions per place. [2021-03-25 18:12:56,913 INFO L142 LiptonReduction]: Number of co-enabled transitions 4440 [2021-03-25 18:12:56,991 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:12:56,991 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:12:56,992 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1157 [2021-03-25 18:12:56,992 INFO L480 AbstractCegarLoop]: Abstraction has has 822 places, 757 transitions, 45294 flow [2021-03-25 18:12:56,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:56,992 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:12:56,992 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:12:56,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable234 [2021-03-25 18:12:56,992 INFO L428 AbstractCegarLoop]: === Iteration 236 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:12:56,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:12:56,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1705532512, now seen corresponding path program 232 times [2021-03-25 18:12:56,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:12:56,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379036661] [2021-03-25 18:12:56,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:12:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:12:56,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:57,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:12:57,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:57,000 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:12:57,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:12:57,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:12:57,012 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:12:57,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:12:57,025 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:12:57,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:12:57,052 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:12:57,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:12:57,072 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:12:57,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:12:57,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:12:57,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379036661] [2021-03-25 18:12:57,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:12:57,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:12:57,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631759485] [2021-03-25 18:12:57,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:12:57,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:12:57,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:12:57,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:12:57,091 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:12:57,091 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 822 places, 757 transitions, 45294 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:57,091 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:12:57,091 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:12:57,091 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:12:58,878 INFO L129 PetriNetUnfolder]: 282/3594 cut-off events. [2021-03-25 18:12:58,878 INFO L130 PetriNetUnfolder]: For 253707/253825 co-relation queries the response was YES. [2021-03-25 18:12:58,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36981 conditions, 3594 events. 282/3594 cut-off events. For 253707/253825 co-relation queries the response was YES. Maximal size of possible extension queue 642. Compared 53566 event pairs, 13 based on Foata normal form. 12/3557 useless extension candidates. Maximal degree in co-relation 36776. Up to 681 conditions per place. [2021-03-25 18:12:58,938 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 497 selfloop transitions, 278 changer transitions 2/791 dead transitions. [2021-03-25 18:12:58,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 829 places, 791 transitions, 48414 flow [2021-03-25 18:12:58,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:12:58,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:12:58,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:12:58,939 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:12:58,939 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:12:58,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:12:58,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:12:58,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:12:58,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:58,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:58,940 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:12:58,940 INFO L185 Difference]: Start difference. First operand has 822 places, 757 transitions, 45294 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:12:58,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 829 places, 791 transitions, 48414 flow [2021-03-25 18:13:01,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 824 places, 791 transitions, 47875 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-25 18:13:01,382 INFO L241 Difference]: Finished difference. Result has 826 places, 765 transitions, 45868 flow [2021-03-25 18:13:01,383 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44763, PETRI_DIFFERENCE_MINUEND_PLACES=817, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=757, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=268, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45868, PETRI_PLACES=826, PETRI_TRANSITIONS=765} [2021-03-25 18:13:01,383 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 788 predicate places. [2021-03-25 18:13:01,383 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:13:01,383 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 826 places, 765 transitions, 45868 flow [2021-03-25 18:13:01,383 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 826 places, 765 transitions, 45868 flow [2021-03-25 18:13:01,396 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 825 places, 765 transitions, 45868 flow [2021-03-25 18:13:02,328 INFO L129 PetriNetUnfolder]: 268/3560 cut-off events. [2021-03-25 18:13:02,328 INFO L130 PetriNetUnfolder]: For 252984/253115 co-relation queries the response was YES. [2021-03-25 18:13:02,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35360 conditions, 3560 events. 268/3560 cut-off events. For 252984/253115 co-relation queries the response was YES. Maximal size of possible extension queue 644. Compared 53390 event pairs, 0 based on Foata normal form. 1/3507 useless extension candidates. Maximal degree in co-relation 35156. Up to 536 conditions per place. [2021-03-25 18:13:02,422 INFO L142 LiptonReduction]: Number of co-enabled transitions 4508 [2021-03-25 18:13:02,503 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:13:02,503 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:13:02,503 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1120 [2021-03-25 18:13:02,503 INFO L480 AbstractCegarLoop]: Abstraction has has 825 places, 765 transitions, 45868 flow [2021-03-25 18:13:02,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:02,503 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:13:02,504 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:13:02,504 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable235 [2021-03-25 18:13:02,504 INFO L428 AbstractCegarLoop]: === Iteration 237 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:13:02,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:13:02,504 INFO L82 PathProgramCache]: Analyzing trace with hash -2051579206, now seen corresponding path program 233 times [2021-03-25 18:13:02,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:13:02,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784808818] [2021-03-25 18:13:02,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:13:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:13:02,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:02,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:13:02,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:02,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:13:02,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:02,514 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:13:02,520 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:13:02,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:13:02,531 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:13:02,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:13:02,545 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:13:02,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:13:02,564 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:13:02,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:13:02,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:13:02,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784808818] [2021-03-25 18:13:02,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:13:02,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:13:02,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76173081] [2021-03-25 18:13:02,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:13:02,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:13:02,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:13:02,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:13:02,584 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:13:02,584 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 825 places, 765 transitions, 45868 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:02,584 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:13:02,584 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:13:02,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:13:04,367 INFO L129 PetriNetUnfolder]: 281/3584 cut-off events. [2021-03-25 18:13:04,368 INFO L130 PetriNetUnfolder]: For 255824/255941 co-relation queries the response was YES. [2021-03-25 18:13:04,421 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37005 conditions, 3584 events. 281/3584 cut-off events. For 255824/255941 co-relation queries the response was YES. Maximal size of possible extension queue 641. Compared 53405 event pairs, 13 based on Foata normal form. 12/3547 useless extension candidates. Maximal degree in co-relation 36800. Up to 681 conditions per place. [2021-03-25 18:13:04,429 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 494 selfloop transitions, 279 changer transitions 2/789 dead transitions. [2021-03-25 18:13:04,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 832 places, 789 transitions, 48428 flow [2021-03-25 18:13:04,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:13:04,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:13:04,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:13:04,430 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:13:04,430 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:13:04,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:13:04,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:13:04,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:13:04,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:04,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:04,431 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:04,431 INFO L185 Difference]: Start difference. First operand has 825 places, 765 transitions, 45868 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:13:04,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 832 places, 789 transitions, 48428 flow [2021-03-25 18:13:06,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 827 places, 789 transitions, 47990 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-25 18:13:07,013 INFO L241 Difference]: Finished difference. Result has 828 places, 763 transitions, 45871 flow [2021-03-25 18:13:07,014 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45438, PETRI_DIFFERENCE_MINUEND_PLACES=820, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=765, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=279, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=486, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45871, PETRI_PLACES=828, PETRI_TRANSITIONS=763} [2021-03-25 18:13:07,014 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 790 predicate places. [2021-03-25 18:13:07,014 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:13:07,014 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 828 places, 763 transitions, 45871 flow [2021-03-25 18:13:07,014 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 828 places, 763 transitions, 45871 flow [2021-03-25 18:13:07,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 827 places, 763 transitions, 45871 flow [2021-03-25 18:13:07,942 INFO L129 PetriNetUnfolder]: 267/3550 cut-off events. [2021-03-25 18:13:07,942 INFO L130 PetriNetUnfolder]: For 252187/252305 co-relation queries the response was YES. [2021-03-25 18:13:08,001 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35447 conditions, 3550 events. 267/3550 cut-off events. For 252187/252305 co-relation queries the response was YES. Maximal size of possible extension queue 640. Compared 53258 event pairs, 0 based on Foata normal form. 1/3501 useless extension candidates. Maximal degree in co-relation 35245. Up to 534 conditions per place. [2021-03-25 18:13:08,047 INFO L142 LiptonReduction]: Number of co-enabled transitions 4504 [2021-03-25 18:13:08,131 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:13:08,131 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:13:08,131 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1117 [2021-03-25 18:13:08,131 INFO L480 AbstractCegarLoop]: Abstraction has has 827 places, 763 transitions, 45871 flow [2021-03-25 18:13:08,131 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:08,131 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:13:08,131 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:13:08,132 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236 [2021-03-25 18:13:08,132 INFO L428 AbstractCegarLoop]: === Iteration 238 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:13:08,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:13:08,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1006754332, now seen corresponding path program 234 times [2021-03-25 18:13:08,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:13:08,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976582490] [2021-03-25 18:13:08,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:13:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:13:08,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:08,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:13:08,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:08,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:13:08,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:08,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:13:08,149 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:13:08,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:13:08,168 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:13:08,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:13:08,194 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:13:08,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:13:08,214 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:13:08,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:13:08,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:13:08,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976582490] [2021-03-25 18:13:08,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:13:08,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:13:08,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655482229] [2021-03-25 18:13:08,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:13:08,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:13:08,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:13:08,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:13:08,233 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:13:08,233 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 827 places, 763 transitions, 45871 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:08,234 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:13:08,234 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:13:08,234 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:13:10,064 INFO L129 PetriNetUnfolder]: 280/3574 cut-off events. [2021-03-25 18:13:10,064 INFO L130 PetriNetUnfolder]: For 255002/255121 co-relation queries the response was YES. [2021-03-25 18:13:10,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37089 conditions, 3574 events. 280/3574 cut-off events. For 255002/255121 co-relation queries the response was YES. Maximal size of possible extension queue 640. Compared 53222 event pairs, 13 based on Foata normal form. 13/3538 useless extension candidates. Maximal degree in co-relation 36886. Up to 681 conditions per place. [2021-03-25 18:13:10,125 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 487 selfloop transitions, 284 changer transitions 2/787 dead transitions. [2021-03-25 18:13:10,125 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 834 places, 787 transitions, 48427 flow [2021-03-25 18:13:10,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:13:10,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:13:10,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:13:10,126 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:13:10,126 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:13:10,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:13:10,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:13:10,126 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:13:10,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:10,126 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:10,127 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:10,127 INFO L185 Difference]: Start difference. First operand has 827 places, 763 transitions, 45871 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:13:10,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 834 places, 787 transitions, 48427 flow [2021-03-25 18:13:12,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 830 places, 787 transitions, 47924 flow, removed 11 selfloop flow, removed 4 redundant places. [2021-03-25 18:13:12,622 INFO L241 Difference]: Finished difference. Result has 832 places, 763 transitions, 45955 flow [2021-03-25 18:13:12,622 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45376, PETRI_DIFFERENCE_MINUEND_PLACES=823, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=283, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=479, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45955, PETRI_PLACES=832, PETRI_TRANSITIONS=763} [2021-03-25 18:13:12,623 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 794 predicate places. [2021-03-25 18:13:12,623 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:13:12,623 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 832 places, 763 transitions, 45955 flow [2021-03-25 18:13:12,623 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 832 places, 763 transitions, 45955 flow [2021-03-25 18:13:12,636 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 831 places, 763 transitions, 45955 flow [2021-03-25 18:13:13,578 INFO L129 PetriNetUnfolder]: 266/3540 cut-off events. [2021-03-25 18:13:13,578 INFO L130 PetriNetUnfolder]: For 252113/252231 co-relation queries the response was YES. [2021-03-25 18:13:13,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35425 conditions, 3540 events. 266/3540 cut-off events. For 252113/252231 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 53090 event pairs, 0 based on Foata normal form. 1/3489 useless extension candidates. Maximal degree in co-relation 35222. Up to 532 conditions per place. [2021-03-25 18:13:13,682 INFO L142 LiptonReduction]: Number of co-enabled transitions 4496 [2021-03-25 18:13:13,761 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:13:13,761 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:13:13,761 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1138 [2021-03-25 18:13:13,762 INFO L480 AbstractCegarLoop]: Abstraction has has 831 places, 763 transitions, 45955 flow [2021-03-25 18:13:13,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:13,762 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:13:13,762 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:13:13,762 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable237 [2021-03-25 18:13:13,762 INFO L428 AbstractCegarLoop]: === Iteration 239 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:13:13,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:13:13,762 INFO L82 PathProgramCache]: Analyzing trace with hash -482650664, now seen corresponding path program 235 times [2021-03-25 18:13:13,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:13:13,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295665934] [2021-03-25 18:13:13,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:13:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:13:13,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:13,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:13:13,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:13,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:13:13,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:13,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:13:13,779 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:13:13,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:13:13,798 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:13:13,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:13:13,823 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:13:13,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:13:13,843 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:13:13,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:13:13,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:13:13,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295665934] [2021-03-25 18:13:13,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:13:13,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:13:13,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517482061] [2021-03-25 18:13:13,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:13:13,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:13:13,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:13:13,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:13:13,863 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:13:13,863 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 831 places, 763 transitions, 45955 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:13,863 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:13:13,863 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:13:13,863 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:13:15,664 INFO L129 PetriNetUnfolder]: 279/3564 cut-off events. [2021-03-25 18:13:15,665 INFO L130 PetriNetUnfolder]: For 254840/254960 co-relation queries the response was YES. [2021-03-25 18:13:15,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37064 conditions, 3564 events. 279/3564 cut-off events. For 254840/254960 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 53091 event pairs, 13 based on Foata normal form. 13/3528 useless extension candidates. Maximal degree in co-relation 36860. Up to 681 conditions per place. [2021-03-25 18:13:15,725 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 487 selfloop transitions, 281 changer transitions 3/785 dead transitions. [2021-03-25 18:13:15,725 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 838 places, 785 transitions, 48387 flow [2021-03-25 18:13:15,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:13:15,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:13:15,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:13:15,726 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:13:15,726 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:13:15,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:13:15,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:13:15,726 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:13:15,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:15,727 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:15,727 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:15,727 INFO L185 Difference]: Start difference. First operand has 831 places, 763 transitions, 45955 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:13:15,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 838 places, 785 transitions, 48387 flow [2021-03-25 18:13:18,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 836 places, 785 transitions, 48205 flow, removed 14 selfloop flow, removed 2 redundant places. [2021-03-25 18:13:18,245 INFO L241 Difference]: Finished difference. Result has 837 places, 760 transitions, 46158 flow [2021-03-25 18:13:18,245 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45781, PETRI_DIFFERENCE_MINUEND_PLACES=829, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=281, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=482, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46158, PETRI_PLACES=837, PETRI_TRANSITIONS=760} [2021-03-25 18:13:18,246 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 799 predicate places. [2021-03-25 18:13:18,246 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:13:18,246 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 837 places, 760 transitions, 46158 flow [2021-03-25 18:13:18,246 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 837 places, 760 transitions, 46158 flow [2021-03-25 18:13:18,259 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 836 places, 760 transitions, 46158 flow [2021-03-25 18:13:19,166 INFO L129 PetriNetUnfolder]: 265/3529 cut-off events. [2021-03-25 18:13:19,166 INFO L130 PetriNetUnfolder]: For 254038/254158 co-relation queries the response was YES. [2021-03-25 18:13:19,218 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35642 conditions, 3529 events. 265/3529 cut-off events. For 254038/254158 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 52906 event pairs, 0 based on Foata normal form. 1/3479 useless extension candidates. Maximal degree in co-relation 35439. Up to 530 conditions per place. [2021-03-25 18:13:19,261 INFO L142 LiptonReduction]: Number of co-enabled transitions 4490 [2021-03-25 18:13:19,342 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:13:19,342 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:13:19,343 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1097 [2021-03-25 18:13:19,343 INFO L480 AbstractCegarLoop]: Abstraction has has 836 places, 760 transitions, 46158 flow [2021-03-25 18:13:19,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:19,343 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:13:19,343 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:13:19,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable238 [2021-03-25 18:13:19,343 INFO L428 AbstractCegarLoop]: === Iteration 240 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:13:19,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:13:19,343 INFO L82 PathProgramCache]: Analyzing trace with hash -2093591622, now seen corresponding path program 236 times [2021-03-25 18:13:19,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:13:19,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108776029] [2021-03-25 18:13:19,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:13:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:13:19,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:19,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:13:19,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:19,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:13:19,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:19,355 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:13:19,362 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:13:19,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:13:19,380 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:13:19,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:13:19,402 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:13:19,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:13:19,422 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:13:19,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:13:19,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:13:19,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108776029] [2021-03-25 18:13:19,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:13:19,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:13:19,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651613344] [2021-03-25 18:13:19,440 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:13:19,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:13:19,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:13:19,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:13:19,441 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:13:19,441 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 836 places, 760 transitions, 46158 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:19,441 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:13:19,441 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:13:19,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:13:21,188 INFO L129 PetriNetUnfolder]: 278/3553 cut-off events. [2021-03-25 18:13:21,188 INFO L130 PetriNetUnfolder]: For 256896/257019 co-relation queries the response was YES. [2021-03-25 18:13:21,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37277 conditions, 3553 events. 278/3553 cut-off events. For 256896/257019 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 52847 event pairs, 13 based on Foata normal form. 13/3517 useless extension candidates. Maximal degree in co-relation 37073. Up to 681 conditions per place. [2021-03-25 18:13:21,247 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 485 selfloop transitions, 280 changer transitions 3/782 dead transitions. [2021-03-25 18:13:21,247 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 843 places, 782 transitions, 48584 flow [2021-03-25 18:13:21,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:13:21,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:13:21,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:13:21,248 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:13:21,248 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:13:21,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:13:21,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:13:21,248 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:13:21,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:21,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:21,249 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:21,249 INFO L185 Difference]: Start difference. First operand has 836 places, 760 transitions, 46158 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:13:21,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 843 places, 782 transitions, 48584 flow [2021-03-25 18:13:23,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 837 places, 782 transitions, 47907 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-25 18:13:23,786 INFO L241 Difference]: Finished difference. Result has 838 places, 757 transitions, 45858 flow [2021-03-25 18:13:23,786 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45489, PETRI_DIFFERENCE_MINUEND_PLACES=830, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=760, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=280, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45858, PETRI_PLACES=838, PETRI_TRANSITIONS=757} [2021-03-25 18:13:23,786 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 800 predicate places. [2021-03-25 18:13:23,786 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:13:23,787 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 838 places, 757 transitions, 45858 flow [2021-03-25 18:13:23,787 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 838 places, 757 transitions, 45858 flow [2021-03-25 18:13:23,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 836 places, 757 transitions, 45858 flow [2021-03-25 18:13:24,705 INFO L129 PetriNetUnfolder]: 264/3518 cut-off events. [2021-03-25 18:13:24,705 INFO L130 PetriNetUnfolder]: For 253070/253189 co-relation queries the response was YES. [2021-03-25 18:13:24,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35414 conditions, 3518 events. 264/3518 cut-off events. For 253070/253189 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 52692 event pairs, 0 based on Foata normal form. 1/3467 useless extension candidates. Maximal degree in co-relation 35211. Up to 528 conditions per place. [2021-03-25 18:13:24,801 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-25 18:13:24,880 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:13:24,881 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:13:24,881 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1095 [2021-03-25 18:13:24,881 INFO L480 AbstractCegarLoop]: Abstraction has has 836 places, 757 transitions, 45858 flow [2021-03-25 18:13:24,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:24,881 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:13:24,881 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:13:24,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable239 [2021-03-25 18:13:24,881 INFO L428 AbstractCegarLoop]: === Iteration 241 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:13:24,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:13:24,881 INFO L82 PathProgramCache]: Analyzing trace with hash 350650448, now seen corresponding path program 237 times [2021-03-25 18:13:24,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:13:24,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231884195] [2021-03-25 18:13:24,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:13:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:13:24,886 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:24,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:13:24,887 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:24,887 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:13:24,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:24,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:13:24,898 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:13:24,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:13:24,908 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:13:24,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:13:24,923 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:13:24,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:13:24,941 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:13:24,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:13:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:13:24,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231884195] [2021-03-25 18:13:24,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:13:24,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:13:24,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912821888] [2021-03-25 18:13:24,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:13:24,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:13:24,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:13:24,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:13:24,961 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:13:24,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 836 places, 757 transitions, 45858 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:24,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:13:24,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:13:24,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:13:26,757 INFO L129 PetriNetUnfolder]: 277/3542 cut-off events. [2021-03-25 18:13:26,758 INFO L130 PetriNetUnfolder]: For 255765/255886 co-relation queries the response was YES. [2021-03-25 18:13:26,812 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37045 conditions, 3542 events. 277/3542 cut-off events. For 255765/255886 co-relation queries the response was YES. Maximal size of possible extension queue 635. Compared 52673 event pairs, 13 based on Foata normal form. 12/3505 useless extension candidates. Maximal degree in co-relation 36841. Up to 681 conditions per place. [2021-03-25 18:13:26,822 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 486 selfloop transitions, 279 changer transitions 0/779 dead transitions. [2021-03-25 18:13:26,822 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 843 places, 779 transitions, 48278 flow [2021-03-25 18:13:26,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:13:26,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:13:26,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:13:26,823 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:13:26,823 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:13:26,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:13:26,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:13:26,823 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:13:26,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:26,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:26,824 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:26,824 INFO L185 Difference]: Start difference. First operand has 836 places, 757 transitions, 45858 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:13:26,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 843 places, 779 transitions, 48278 flow [2021-03-25 18:13:29,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 836 places, 779 transitions, 47652 flow, removed 14 selfloop flow, removed 7 redundant places. [2021-03-25 18:13:29,372 INFO L241 Difference]: Finished difference. Result has 838 places, 763 transitions, 46176 flow [2021-03-25 18:13:29,372 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45242, PETRI_DIFFERENCE_MINUEND_PLACES=829, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=757, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=273, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46176, PETRI_PLACES=838, PETRI_TRANSITIONS=763} [2021-03-25 18:13:29,372 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 800 predicate places. [2021-03-25 18:13:29,372 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:13:29,372 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 838 places, 763 transitions, 46176 flow [2021-03-25 18:13:29,372 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 838 places, 763 transitions, 46176 flow [2021-03-25 18:13:29,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 838 places, 763 transitions, 46176 flow [2021-03-25 18:13:30,287 INFO L129 PetriNetUnfolder]: 264/3517 cut-off events. [2021-03-25 18:13:30,287 INFO L130 PetriNetUnfolder]: For 254106/254248 co-relation queries the response was YES. [2021-03-25 18:13:30,337 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35392 conditions, 3517 events. 264/3517 cut-off events. For 254106/254248 co-relation queries the response was YES. Maximal size of possible extension queue 638. Compared 52699 event pairs, 0 based on Foata normal form. 1/3466 useless extension candidates. Maximal degree in co-relation 35189. Up to 528 conditions per place. [2021-03-25 18:13:30,379 INFO L142 LiptonReduction]: Number of co-enabled transitions 4496 [2021-03-25 18:13:30,459 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:13:30,460 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:13:30,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1088 [2021-03-25 18:13:30,460 INFO L480 AbstractCegarLoop]: Abstraction has has 838 places, 763 transitions, 46176 flow [2021-03-25 18:13:30,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:30,460 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:13:30,460 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:13:30,460 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240 [2021-03-25 18:13:30,460 INFO L428 AbstractCegarLoop]: === Iteration 242 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:13:30,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:13:30,460 INFO L82 PathProgramCache]: Analyzing trace with hash 598847904, now seen corresponding path program 238 times [2021-03-25 18:13:30,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:13:30,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954738561] [2021-03-25 18:13:30,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:13:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:13:30,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:30,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:13:30,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:30,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:13:30,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:30,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:13:30,477 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:13:30,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:13:30,487 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:13:30,487 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:13:30,501 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:13:30,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:13:30,520 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:13:30,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:13:30,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:13:30,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954738561] [2021-03-25 18:13:30,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:13:30,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:13:30,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849488281] [2021-03-25 18:13:30,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:13:30,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:13:30,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:13:30,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:13:30,539 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:13:30,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 838 places, 763 transitions, 46176 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:30,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:13:30,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:13:30,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:13:32,331 INFO L129 PetriNetUnfolder]: 277/3541 cut-off events. [2021-03-25 18:13:32,331 INFO L130 PetriNetUnfolder]: For 256663/256786 co-relation queries the response was YES. [2021-03-25 18:13:32,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37022 conditions, 3541 events. 277/3541 cut-off events. For 256663/256786 co-relation queries the response was YES. Maximal size of possible extension queue 635. Compared 52623 event pairs, 13 based on Foata normal form. 13/3505 useless extension candidates. Maximal degree in co-relation 36818. Up to 681 conditions per place. [2021-03-25 18:13:32,395 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 486 selfloop transitions, 274 changer transitions 5/779 dead transitions. [2021-03-25 18:13:32,395 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 845 places, 779 transitions, 48286 flow [2021-03-25 18:13:32,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:13:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:13:32,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:13:32,396 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:13:32,396 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:13:32,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:13:32,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:13:32,397 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:13:32,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:32,397 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:32,397 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:32,397 INFO L185 Difference]: Start difference. First operand has 838 places, 763 transitions, 46176 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:13:32,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 845 places, 779 transitions, 48286 flow [2021-03-25 18:13:34,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 840 places, 779 transitions, 47719 flow, removed 12 selfloop flow, removed 5 redundant places. [2021-03-25 18:13:34,861 INFO L241 Difference]: Finished difference. Result has 841 places, 758 transitions, 45813 flow [2021-03-25 18:13:34,862 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45609, PETRI_DIFFERENCE_MINUEND_PLACES=833, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=274, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=489, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45813, PETRI_PLACES=841, PETRI_TRANSITIONS=758} [2021-03-25 18:13:34,862 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 803 predicate places. [2021-03-25 18:13:34,862 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:13:34,862 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 841 places, 758 transitions, 45813 flow [2021-03-25 18:13:34,862 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 841 places, 758 transitions, 45813 flow [2021-03-25 18:13:34,875 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 839 places, 758 transitions, 45813 flow [2021-03-25 18:13:35,771 INFO L129 PetriNetUnfolder]: 263/3500 cut-off events. [2021-03-25 18:13:35,771 INFO L130 PetriNetUnfolder]: For 254027/254146 co-relation queries the response was YES. [2021-03-25 18:13:35,822 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35527 conditions, 3500 events. 263/3500 cut-off events. For 254027/254146 co-relation queries the response was YES. Maximal size of possible extension queue 633. Compared 52361 event pairs, 0 based on Foata normal form. 1/3450 useless extension candidates. Maximal degree in co-relation 35324. Up to 526 conditions per place. [2021-03-25 18:13:35,865 INFO L142 LiptonReduction]: Number of co-enabled transitions 4460 [2021-03-25 18:13:35,945 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:13:35,946 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:13:35,946 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1084 [2021-03-25 18:13:35,946 INFO L480 AbstractCegarLoop]: Abstraction has has 839 places, 758 transitions, 45813 flow [2021-03-25 18:13:35,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:35,946 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:13:35,946 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:13:35,946 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241 [2021-03-25 18:13:35,946 INFO L428 AbstractCegarLoop]: === Iteration 243 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:13:35,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:13:35,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1682436388, now seen corresponding path program 239 times [2021-03-25 18:13:35,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:13:35,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051595294] [2021-03-25 18:13:35,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:13:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:13:35,951 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:35,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:13:35,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:35,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:13:35,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:35,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:13:35,963 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:13:35,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:13:35,973 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:13:35,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:13:35,987 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:13:35,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:13:36,006 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:13:36,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:13:36,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:13:36,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051595294] [2021-03-25 18:13:36,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:13:36,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:13:36,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810524419] [2021-03-25 18:13:36,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:13:36,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:13:36,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:13:36,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:13:36,025 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:13:36,025 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 839 places, 758 transitions, 45813 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:36,025 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:13:36,025 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:13:36,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:13:37,794 INFO L129 PetriNetUnfolder]: 276/3524 cut-off events. [2021-03-25 18:13:37,794 INFO L130 PetriNetUnfolder]: For 257162/257285 co-relation queries the response was YES. [2021-03-25 18:13:37,855 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37150 conditions, 3524 events. 276/3524 cut-off events. For 257162/257285 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52362 event pairs, 13 based on Foata normal form. 13/3488 useless extension candidates. Maximal degree in co-relation 36946. Up to 681 conditions per place. [2021-03-25 18:13:37,864 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 467 selfloop transitions, 293 changer transitions 0/774 dead transitions. [2021-03-25 18:13:37,864 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 846 places, 774 transitions, 47921 flow [2021-03-25 18:13:37,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:13:37,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:13:37,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:13:37,865 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:13:37,865 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:13:37,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:13:37,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:13:37,865 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:13:37,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:37,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:37,866 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:37,866 INFO L185 Difference]: Start difference. First operand has 839 places, 758 transitions, 45813 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:13:37,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 846 places, 774 transitions, 47921 flow [2021-03-25 18:13:40,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 840 places, 774 transitions, 47366 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-03-25 18:13:40,375 INFO L241 Difference]: Finished difference. Result has 842 places, 770 transitions, 46526 flow [2021-03-25 18:13:40,375 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45274, PETRI_DIFFERENCE_MINUEND_PLACES=833, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=758, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=281, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=465, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46526, PETRI_PLACES=842, PETRI_TRANSITIONS=770} [2021-03-25 18:13:40,375 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 804 predicate places. [2021-03-25 18:13:40,375 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:13:40,375 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 842 places, 770 transitions, 46526 flow [2021-03-25 18:13:40,376 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 842 places, 770 transitions, 46526 flow [2021-03-25 18:13:40,388 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 842 places, 770 transitions, 46526 flow [2021-03-25 18:13:41,287 INFO L129 PetriNetUnfolder]: 263/3499 cut-off events. [2021-03-25 18:13:41,287 INFO L130 PetriNetUnfolder]: For 255880/256083 co-relation queries the response was YES. [2021-03-25 18:13:41,340 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35272 conditions, 3499 events. 263/3499 cut-off events. For 255880/256083 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52396 event pairs, 0 based on Foata normal form. 1/3416 useless extension candidates. Maximal degree in co-relation 35069. Up to 526 conditions per place. [2021-03-25 18:13:41,383 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-25 18:13:41,462 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:13:41,462 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:13:41,462 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1087 [2021-03-25 18:13:41,462 INFO L480 AbstractCegarLoop]: Abstraction has has 842 places, 770 transitions, 46526 flow [2021-03-25 18:13:41,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:41,462 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:13:41,463 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:13:41,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable242 [2021-03-25 18:13:41,463 INFO L428 AbstractCegarLoop]: === Iteration 244 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:13:41,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:13:41,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1296373604, now seen corresponding path program 240 times [2021-03-25 18:13:41,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:13:41,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939701826] [2021-03-25 18:13:41,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:13:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:13:41,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:41,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:13:41,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:41,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:13:41,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:41,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:13:41,484 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:13:41,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:13:41,494 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:13:41,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:13:41,508 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:13:41,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:13:41,527 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:13:41,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:13:41,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:13:41,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939701826] [2021-03-25 18:13:41,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:13:41,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:13:41,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891945383] [2021-03-25 18:13:41,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:13:41,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:13:41,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:13:41,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:13:41,546 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:13:41,547 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 842 places, 770 transitions, 46526 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:41,547 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:13:41,547 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:13:41,547 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:13:43,320 INFO L129 PetriNetUnfolder]: 276/3523 cut-off events. [2021-03-25 18:13:43,320 INFO L130 PetriNetUnfolder]: For 258178/258303 co-relation queries the response was YES. [2021-03-25 18:13:43,370 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36895 conditions, 3523 events. 276/3523 cut-off events. For 258178/258303 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52366 event pairs, 13 based on Foata normal form. 13/3487 useless extension candidates. Maximal degree in co-relation 36691. Up to 681 conditions per place. [2021-03-25 18:13:43,377 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 468 selfloop transitions, 292 changer transitions 0/774 dead transitions. [2021-03-25 18:13:43,378 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 849 places, 774 transitions, 48102 flow [2021-03-25 18:13:43,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:13:43,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:13:43,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:13:43,378 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:13:43,379 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:13:43,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:13:43,379 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:13:43,379 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:13:43,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:43,379 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:43,379 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:43,379 INFO L185 Difference]: Start difference. First operand has 842 places, 770 transitions, 46526 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:13:43,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 849 places, 774 transitions, 48102 flow [2021-03-25 18:13:45,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 847 places, 774 transitions, 47666 flow, removed 31 selfloop flow, removed 2 redundant places. [2021-03-25 18:13:45,927 INFO L241 Difference]: Finished difference. Result has 848 places, 770 transitions, 46677 flow [2021-03-25 18:13:45,927 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46090, PETRI_DIFFERENCE_MINUEND_PLACES=840, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=292, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=478, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46677, PETRI_PLACES=848, PETRI_TRANSITIONS=770} [2021-03-25 18:13:45,927 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 810 predicate places. [2021-03-25 18:13:45,927 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:13:45,927 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 848 places, 770 transitions, 46677 flow [2021-03-25 18:13:45,927 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 848 places, 770 transitions, 46677 flow [2021-03-25 18:13:45,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 848 places, 770 transitions, 46677 flow [2021-03-25 18:13:46,876 INFO L129 PetriNetUnfolder]: 263/3498 cut-off events. [2021-03-25 18:13:46,876 INFO L130 PetriNetUnfolder]: For 257856/258059 co-relation queries the response was YES. [2021-03-25 18:13:46,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35771 conditions, 3498 events. 263/3498 cut-off events. For 257856/258059 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52502 event pairs, 0 based on Foata normal form. 1/3415 useless extension candidates. Maximal degree in co-relation 35567. Up to 526 conditions per place. [2021-03-25 18:13:46,971 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-25 18:13:47,057 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:13:47,057 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:13:47,058 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1131 [2021-03-25 18:13:47,058 INFO L480 AbstractCegarLoop]: Abstraction has has 848 places, 770 transitions, 46677 flow [2021-03-25 18:13:47,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:47,058 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:13:47,058 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:13:47,058 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable243 [2021-03-25 18:13:47,058 INFO L428 AbstractCegarLoop]: === Iteration 245 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:13:47,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:13:47,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1001589950, now seen corresponding path program 241 times [2021-03-25 18:13:47,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:13:47,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92029005] [2021-03-25 18:13:47,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:13:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:13:47,063 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:47,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:13:47,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:47,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:13:47,068 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:47,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:13:47,075 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:13:47,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:13:47,085 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:13:47,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:13:47,100 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:13:47,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:13:47,119 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:13:47,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:13:47,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:13:47,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92029005] [2021-03-25 18:13:47,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:13:47,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:13:47,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895874444] [2021-03-25 18:13:47,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:13:47,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:13:47,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:13:47,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:13:47,138 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:13:47,139 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 848 places, 770 transitions, 46677 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:47,139 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:13:47,139 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:13:47,139 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:13:48,974 INFO L129 PetriNetUnfolder]: 276/3522 cut-off events. [2021-03-25 18:13:48,974 INFO L130 PetriNetUnfolder]: For 260659/260782 co-relation queries the response was YES. [2021-03-25 18:13:49,035 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37392 conditions, 3522 events. 276/3522 cut-off events. For 260659/260782 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52316 event pairs, 13 based on Foata normal form. 12/3485 useless extension candidates. Maximal degree in co-relation 37187. Up to 681 conditions per place. [2021-03-25 18:13:49,043 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 470 selfloop transitions, 290 changer transitions 0/774 dead transitions. [2021-03-25 18:13:49,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 855 places, 774 transitions, 48261 flow [2021-03-25 18:13:49,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:13:49,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:13:49,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:13:49,044 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:13:49,045 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:13:49,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:13:49,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:13:49,045 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:13:49,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:49,045 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:49,045 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:49,045 INFO L185 Difference]: Start difference. First operand has 848 places, 770 transitions, 46677 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:13:49,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 855 places, 774 transitions, 48261 flow [2021-03-25 18:13:51,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 852 places, 774 transitions, 47814 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-25 18:13:51,600 INFO L241 Difference]: Finished difference. Result has 853 places, 770 transitions, 46813 flow [2021-03-25 18:13:51,600 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46230, PETRI_DIFFERENCE_MINUEND_PLACES=845, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=290, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46813, PETRI_PLACES=853, PETRI_TRANSITIONS=770} [2021-03-25 18:13:51,600 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 815 predicate places. [2021-03-25 18:13:51,601 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:13:51,601 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 853 places, 770 transitions, 46813 flow [2021-03-25 18:13:51,601 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 853 places, 770 transitions, 46813 flow [2021-03-25 18:13:51,614 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 853 places, 770 transitions, 46813 flow [2021-03-25 18:13:52,512 INFO L129 PetriNetUnfolder]: 263/3497 cut-off events. [2021-03-25 18:13:52,512 INFO L130 PetriNetUnfolder]: For 261505/261775 co-relation queries the response was YES. [2021-03-25 18:13:52,563 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36247 conditions, 3497 events. 263/3497 cut-off events. For 261505/261775 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 52339 event pairs, 0 based on Foata normal form. 0/3407 useless extension candidates. Maximal degree in co-relation 36042. Up to 526 conditions per place. [2021-03-25 18:13:52,605 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-25 18:13:52,687 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:13:52,687 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:13:52,688 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1088 [2021-03-25 18:13:52,688 INFO L480 AbstractCegarLoop]: Abstraction has has 853 places, 770 transitions, 46813 flow [2021-03-25 18:13:52,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:52,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:13:52,688 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:13:52,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable244 [2021-03-25 18:13:52,688 INFO L428 AbstractCegarLoop]: === Iteration 246 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:13:52,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:13:52,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1059269852, now seen corresponding path program 242 times [2021-03-25 18:13:52,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:13:52,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044710577] [2021-03-25 18:13:52,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:13:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:13:52,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:52,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:13:52,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:52,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:13:52,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:52,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:13:52,705 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:13:52,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:13:52,715 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:13:52,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:13:52,729 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:13:52,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:13:52,748 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:13:52,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:13:52,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:13:52,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044710577] [2021-03-25 18:13:52,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:13:52,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:13:52,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67124014] [2021-03-25 18:13:52,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:13:52,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:13:52,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:13:52,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:13:52,767 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:13:52,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 853 places, 770 transitions, 46813 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:52,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:13:52,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:13:52,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:13:54,530 INFO L129 PetriNetUnfolder]: 276/3521 cut-off events. [2021-03-25 18:13:54,531 INFO L130 PetriNetUnfolder]: For 264055/264178 co-relation queries the response was YES. [2021-03-25 18:13:54,583 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37866 conditions, 3521 events. 276/3521 cut-off events. For 264055/264178 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52302 event pairs, 13 based on Foata normal form. 12/3484 useless extension candidates. Maximal degree in co-relation 37660. Up to 681 conditions per place. [2021-03-25 18:13:54,591 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 471 selfloop transitions, 289 changer transitions 0/774 dead transitions. [2021-03-25 18:13:54,591 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 860 places, 774 transitions, 48405 flow [2021-03-25 18:13:54,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:13:54,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:13:54,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:13:54,592 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:13:54,592 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:13:54,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:13:54,592 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:13:54,592 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:13:54,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:54,593 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:54,593 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:54,593 INFO L185 Difference]: Start difference. First operand has 853 places, 770 transitions, 46813 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:13:54,593 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 860 places, 774 transitions, 48405 flow [2021-03-25 18:13:57,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 857 places, 774 transitions, 47904 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-25 18:13:57,144 INFO L241 Difference]: Finished difference. Result has 858 places, 770 transitions, 46893 flow [2021-03-25 18:13:57,145 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46312, PETRI_DIFFERENCE_MINUEND_PLACES=850, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=289, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=481, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46893, PETRI_PLACES=858, PETRI_TRANSITIONS=770} [2021-03-25 18:13:57,145 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 820 predicate places. [2021-03-25 18:13:57,145 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:13:57,145 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 858 places, 770 transitions, 46893 flow [2021-03-25 18:13:57,145 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 858 places, 770 transitions, 46893 flow [2021-03-25 18:13:57,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 858 places, 770 transitions, 46893 flow [2021-03-25 18:13:58,049 INFO L129 PetriNetUnfolder]: 263/3496 cut-off events. [2021-03-25 18:13:58,050 INFO L130 PetriNetUnfolder]: For 263906/264122 co-relation queries the response was YES. [2021-03-25 18:13:58,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36645 conditions, 3496 events. 263/3496 cut-off events. For 263906/264122 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52402 event pairs, 0 based on Foata normal form. 0/3407 useless extension candidates. Maximal degree in co-relation 36439. Up to 526 conditions per place. [2021-03-25 18:13:58,145 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-25 18:13:58,225 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:13:58,225 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:13:58,225 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1080 [2021-03-25 18:13:58,225 INFO L480 AbstractCegarLoop]: Abstraction has has 858 places, 770 transitions, 46893 flow [2021-03-25 18:13:58,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:58,225 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:13:58,225 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:13:58,226 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable245 [2021-03-25 18:13:58,226 INFO L428 AbstractCegarLoop]: === Iteration 247 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:13:58,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:13:58,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1089526684, now seen corresponding path program 243 times [2021-03-25 18:13:58,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:13:58,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720064105] [2021-03-25 18:13:58,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:13:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:13:58,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:58,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:13:58,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:58,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:13:58,235 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:13:58,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:13:58,242 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:13:58,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:13:58,253 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:13:58,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:13:58,267 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:13:58,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:13:58,286 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:13:58,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:13:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:13:58,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720064105] [2021-03-25 18:13:58,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:13:58,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:13:58,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066324183] [2021-03-25 18:13:58,305 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:13:58,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:13:58,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:13:58,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:13:58,306 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:13:58,306 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 858 places, 770 transitions, 46893 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:13:58,306 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:13:58,306 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:13:58,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:14:00,097 INFO L129 PetriNetUnfolder]: 276/3520 cut-off events. [2021-03-25 18:14:00,097 INFO L130 PetriNetUnfolder]: For 267182/267309 co-relation queries the response was YES. [2021-03-25 18:14:00,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38262 conditions, 3520 events. 276/3520 cut-off events. For 267182/267309 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52336 event pairs, 13 based on Foata normal form. 13/3484 useless extension candidates. Maximal degree in co-relation 38055. Up to 681 conditions per place. [2021-03-25 18:14:00,159 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 470 selfloop transitions, 290 changer transitions 0/774 dead transitions. [2021-03-25 18:14:00,159 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 865 places, 774 transitions, 48493 flow [2021-03-25 18:14:00,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:14:00,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:14:00,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:14:00,160 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:14:00,160 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:14:00,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:14:00,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:14:00,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:14:00,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:00,161 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:00,161 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:00,161 INFO L185 Difference]: Start difference. First operand has 858 places, 770 transitions, 46893 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:14:00,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 865 places, 774 transitions, 48493 flow [2021-03-25 18:14:02,945 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 860 places, 774 transitions, 47665 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-03-25 18:14:02,968 INFO L241 Difference]: Finished difference. Result has 861 places, 770 transitions, 46648 flow [2021-03-25 18:14:02,969 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46065, PETRI_DIFFERENCE_MINUEND_PLACES=853, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=290, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=480, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46648, PETRI_PLACES=861, PETRI_TRANSITIONS=770} [2021-03-25 18:14:02,969 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 823 predicate places. [2021-03-25 18:14:02,969 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:14:02,969 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 861 places, 770 transitions, 46648 flow [2021-03-25 18:14:02,969 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 861 places, 770 transitions, 46648 flow [2021-03-25 18:14:02,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 861 places, 770 transitions, 46648 flow [2021-03-25 18:14:03,913 INFO L129 PetriNetUnfolder]: 263/3495 cut-off events. [2021-03-25 18:14:03,913 INFO L130 PetriNetUnfolder]: For 263875/264071 co-relation queries the response was YES. [2021-03-25 18:14:03,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36764 conditions, 3495 events. 263/3495 cut-off events. For 263875/264071 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 52434 event pairs, 0 based on Foata normal form. 0/3410 useless extension candidates. Maximal degree in co-relation 36557. Up to 526 conditions per place. [2021-03-25 18:14:04,010 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-25 18:14:04,103 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:14:04,103 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:14:04,103 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1134 [2021-03-25 18:14:04,103 INFO L480 AbstractCegarLoop]: Abstraction has has 861 places, 770 transitions, 46648 flow [2021-03-25 18:14:04,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:04,103 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:14:04,103 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:14:04,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable246 [2021-03-25 18:14:04,104 INFO L428 AbstractCegarLoop]: === Iteration 248 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:14:04,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:14:04,104 INFO L82 PathProgramCache]: Analyzing trace with hash 308638032, now seen corresponding path program 244 times [2021-03-25 18:14:04,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:14:04,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243669791] [2021-03-25 18:14:04,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:14:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:14:04,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:04,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:14:04,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:04,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:14:04,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:04,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:14:04,124 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:14:04,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:14:04,143 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:14:04,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:14:04,157 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:14:04,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:14:04,176 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:14:04,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:14:04,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:14:04,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243669791] [2021-03-25 18:14:04,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:14:04,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:14:04,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363877712] [2021-03-25 18:14:04,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:14:04,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:14:04,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:14:04,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:14:04,196 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:14:04,196 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 861 places, 770 transitions, 46648 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:04,196 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:14:04,196 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:14:04,196 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:14:06,038 INFO L129 PetriNetUnfolder]: 276/3519 cut-off events. [2021-03-25 18:14:06,039 INFO L130 PetriNetUnfolder]: For 267688/267807 co-relation queries the response was YES. [2021-03-25 18:14:06,097 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38379 conditions, 3519 events. 276/3519 cut-off events. For 267688/267807 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52300 event pairs, 13 based on Foata normal form. 13/3483 useless extension candidates. Maximal degree in co-relation 38171. Up to 681 conditions per place. [2021-03-25 18:14:06,106 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 478 selfloop transitions, 282 changer transitions 0/774 dead transitions. [2021-03-25 18:14:06,106 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 868 places, 774 transitions, 48256 flow [2021-03-25 18:14:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:14:06,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:14:06,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:14:06,107 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:14:06,107 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:14:06,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:14:06,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:14:06,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:14:06,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:06,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:06,108 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:06,108 INFO L185 Difference]: Start difference. First operand has 861 places, 770 transitions, 46648 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:14:06,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 868 places, 774 transitions, 48256 flow [2021-03-25 18:14:08,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 865 places, 774 transitions, 47759 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-25 18:14:08,810 INFO L241 Difference]: Finished difference. Result has 866 places, 770 transitions, 46718 flow [2021-03-25 18:14:08,810 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46151, PETRI_DIFFERENCE_MINUEND_PLACES=858, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=282, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46718, PETRI_PLACES=866, PETRI_TRANSITIONS=770} [2021-03-25 18:14:08,810 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 828 predicate places. [2021-03-25 18:14:08,810 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:14:08,810 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 866 places, 770 transitions, 46718 flow [2021-03-25 18:14:08,811 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 866 places, 770 transitions, 46718 flow [2021-03-25 18:14:08,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 866 places, 770 transitions, 46718 flow [2021-03-25 18:14:09,756 INFO L129 PetriNetUnfolder]: 263/3494 cut-off events. [2021-03-25 18:14:09,757 INFO L130 PetriNetUnfolder]: For 267335/267515 co-relation queries the response was YES. [2021-03-25 18:14:09,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37150 conditions, 3494 events. 263/3494 cut-off events. For 267335/267515 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 52379 event pairs, 0 based on Foata normal form. 0/3411 useless extension candidates. Maximal degree in co-relation 36942. Up to 526 conditions per place. [2021-03-25 18:14:09,859 INFO L142 LiptonReduction]: Number of co-enabled transitions 4484 [2021-03-25 18:14:09,952 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:14:09,952 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:14:09,953 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1143 [2021-03-25 18:14:09,953 INFO L480 AbstractCegarLoop]: Abstraction has has 866 places, 770 transitions, 46718 flow [2021-03-25 18:14:09,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:09,953 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:14:09,953 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:14:09,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247 [2021-03-25 18:14:09,953 INFO L428 AbstractCegarLoop]: === Iteration 249 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:14:09,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:14:09,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1872992792, now seen corresponding path program 245 times [2021-03-25 18:14:09,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:14:09,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846548215] [2021-03-25 18:14:09,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:14:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:14:09,958 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:09,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:14:09,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:09,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:14:09,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:09,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:14:09,970 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-25 18:14:09,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 18:14:09,988 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:14:09,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:14:10,003 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:14:10,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:14:10,022 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:14:10,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:14:10,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:14:10,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846548215] [2021-03-25 18:14:10,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:14:10,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:14:10,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288001154] [2021-03-25 18:14:10,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:14:10,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:14:10,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:14:10,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:14:10,041 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:14:10,041 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 866 places, 770 transitions, 46718 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:10,041 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:14:10,041 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:14:10,041 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:14:11,839 INFO L129 PetriNetUnfolder]: 276/3518 cut-off events. [2021-03-25 18:14:11,839 INFO L130 PetriNetUnfolder]: For 271333/271451 co-relation queries the response was YES. [2021-03-25 18:14:11,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38763 conditions, 3518 events. 276/3518 cut-off events. For 271333/271451 co-relation queries the response was YES. Maximal size of possible extension queue 632. Compared 52283 event pairs, 13 based on Foata normal form. 12/3481 useless extension candidates. Maximal degree in co-relation 38554. Up to 681 conditions per place. [2021-03-25 18:14:11,900 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 477 selfloop transitions, 277 changer transitions 6/774 dead transitions. [2021-03-25 18:14:11,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 873 places, 774 transitions, 48334 flow [2021-03-25 18:14:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:14:11,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:14:11,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:14:11,901 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:14:11,901 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:14:11,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:14:11,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:14:11,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:14:11,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:11,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:11,902 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:11,902 INFO L185 Difference]: Start difference. First operand has 866 places, 770 transitions, 46718 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:14:11,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 873 places, 774 transitions, 48334 flow [2021-03-25 18:14:14,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 869 places, 774 transitions, 47820 flow, removed 8 selfloop flow, removed 4 redundant places. [2021-03-25 18:14:14,494 INFO L241 Difference]: Finished difference. Result has 870 places, 764 transitions, 46326 flow [2021-03-25 18:14:14,494 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=46204, PETRI_DIFFERENCE_MINUEND_PLACES=862, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=277, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=493, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=46326, PETRI_PLACES=870, PETRI_TRANSITIONS=764} [2021-03-25 18:14:14,494 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 832 predicate places. [2021-03-25 18:14:14,494 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:14:14,494 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 870 places, 764 transitions, 46326 flow [2021-03-25 18:14:14,495 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 870 places, 764 transitions, 46326 flow [2021-03-25 18:14:14,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 868 places, 764 transitions, 46326 flow [2021-03-25 18:14:15,427 INFO L129 PetriNetUnfolder]: 262/3477 cut-off events. [2021-03-25 18:14:15,427 INFO L130 PetriNetUnfolder]: For 268326/268443 co-relation queries the response was YES. [2021-03-25 18:14:15,479 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37266 conditions, 3477 events. 262/3477 cut-off events. For 268326/268443 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 52018 event pairs, 0 based on Foata normal form. 1/3428 useless extension candidates. Maximal degree in co-relation 37057. Up to 524 conditions per place. [2021-03-25 18:14:15,523 INFO L142 LiptonReduction]: Number of co-enabled transitions 4438 [2021-03-25 18:14:15,612 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:14:15,612 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:14:15,612 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1118 [2021-03-25 18:14:15,613 INFO L480 AbstractCegarLoop]: Abstraction has has 868 places, 764 transitions, 46326 flow [2021-03-25 18:14:15,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:15,613 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:14:15,613 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:14:15,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable248 [2021-03-25 18:14:15,613 INFO L428 AbstractCegarLoop]: === Iteration 250 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:14:15,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:14:15,614 INFO L82 PathProgramCache]: Analyzing trace with hash -585214522, now seen corresponding path program 246 times [2021-03-25 18:14:15,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:14:15,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087346975] [2021-03-25 18:14:15,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:14:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:14:15,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:15,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:14:15,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:15,620 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:14:15,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:15,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:14:15,630 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:14:15,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:14:15,640 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:14:15,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:14:15,655 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:14:15,656 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:14:15,674 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:14:15,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:14:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:14:15,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087346975] [2021-03-25 18:14:15,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:14:15,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:14:15,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997798598] [2021-03-25 18:14:15,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:14:15,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:14:15,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:14:15,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:14:15,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:14:15,694 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 868 places, 764 transitions, 46326 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:15,694 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:14:15,694 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:14:15,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:14:17,635 INFO L129 PetriNetUnfolder]: 275/3501 cut-off events. [2021-03-25 18:14:17,635 INFO L130 PetriNetUnfolder]: For 273177/273294 co-relation queries the response was YES. [2021-03-25 18:14:17,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38871 conditions, 3501 events. 275/3501 cut-off events. For 273177/273294 co-relation queries the response was YES. Maximal size of possible extension queue 629. Compared 51974 event pairs, 13 based on Foata normal form. 12/3465 useless extension candidates. Maximal degree in co-relation 38661. Up to 681 conditions per place. [2021-03-25 18:14:17,690 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 460 selfloop transitions, 279 changer transitions 15/768 dead transitions. [2021-03-25 18:14:17,691 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 875 places, 768 transitions, 47938 flow [2021-03-25 18:14:17,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:14:17,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:14:17,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:14:17,691 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:14:17,692 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:14:17,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:14:17,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:14:17,692 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:14:17,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:17,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:17,692 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:17,692 INFO L185 Difference]: Start difference. First operand has 868 places, 764 transitions, 46326 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:14:17,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 875 places, 768 transitions, 47938 flow [2021-03-25 18:14:20,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 869 places, 768 transitions, 47380 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-03-25 18:14:20,170 INFO L241 Difference]: Finished difference. Result has 870 places, 749 transitions, 45082 flow [2021-03-25 18:14:20,170 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=45784, PETRI_DIFFERENCE_MINUEND_PLACES=862, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=764, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=279, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=485, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=45082, PETRI_PLACES=870, PETRI_TRANSITIONS=749} [2021-03-25 18:14:20,170 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 832 predicate places. [2021-03-25 18:14:20,170 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:14:20,170 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 870 places, 749 transitions, 45082 flow [2021-03-25 18:14:20,170 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 870 places, 749 transitions, 45082 flow [2021-03-25 18:14:20,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 862 places, 749 transitions, 45082 flow [2021-03-25 18:14:21,084 INFO L129 PetriNetUnfolder]: 261/3434 cut-off events. [2021-03-25 18:14:21,085 INFO L130 PetriNetUnfolder]: For 257851/257968 co-relation queries the response was YES. [2021-03-25 18:14:21,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36184 conditions, 3434 events. 261/3434 cut-off events. For 257851/257968 co-relation queries the response was YES. Maximal size of possible extension queue 621. Compared 51156 event pairs, 0 based on Foata normal form. 1/3386 useless extension candidates. Maximal degree in co-relation 35976. Up to 522 conditions per place. [2021-03-25 18:14:21,179 INFO L142 LiptonReduction]: Number of co-enabled transitions 4308 [2021-03-25 18:14:21,263 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:14:21,263 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:14:21,263 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1093 [2021-03-25 18:14:21,263 INFO L480 AbstractCegarLoop]: Abstraction has has 862 places, 749 transitions, 45082 flow [2021-03-25 18:14:21,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:21,264 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:14:21,264 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:14:21,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249 [2021-03-25 18:14:21,264 INFO L428 AbstractCegarLoop]: === Iteration 251 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:14:21,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:14:21,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1539229100, now seen corresponding path program 247 times [2021-03-25 18:14:21,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:14:21,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791201905] [2021-03-25 18:14:21,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:14:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:14:21,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:21,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:14:21,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:21,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:14:21,274 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:21,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:14:21,280 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:14:21,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:14:21,291 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:14:21,291 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:14:21,316 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:14:21,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:14:21,336 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:14:21,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:14:21,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:14:21,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791201905] [2021-03-25 18:14:21,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:14:21,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:14:21,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915177763] [2021-03-25 18:14:21,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:14:21,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:14:21,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:14:21,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:14:21,355 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:14:21,355 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 862 places, 749 transitions, 45082 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:21,355 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:14:21,355 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:14:21,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:14:23,178 INFO L129 PetriNetUnfolder]: 274/3458 cut-off events. [2021-03-25 18:14:23,178 INFO L130 PetriNetUnfolder]: For 262265/262384 co-relation queries the response was YES. [2021-03-25 18:14:23,226 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37773 conditions, 3458 events. 274/3458 cut-off events. For 262265/262384 co-relation queries the response was YES. Maximal size of possible extension queue 620. Compared 51164 event pairs, 13 based on Foata normal form. 13/3424 useless extension candidates. Maximal degree in co-relation 37564. Up to 681 conditions per place. [2021-03-25 18:14:23,233 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 475 selfloop transitions, 261 changer transitions 3/753 dead transitions. [2021-03-25 18:14:23,233 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 869 places, 753 transitions, 46656 flow [2021-03-25 18:14:23,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:14:23,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:14:23,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-25 18:14:23,234 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-25 18:14:23,234 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-25 18:14:23,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-25 18:14:23,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:14:23,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-25 18:14:23,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:23,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:23,235 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:23,235 INFO L185 Difference]: Start difference. First operand has 862 places, 749 transitions, 45082 flow. Second operand 8 states and 466 transitions. [2021-03-25 18:14:23,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 869 places, 753 transitions, 46656 flow [2021-03-25 18:14:25,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 858 places, 753 transitions, 45983 flow, removed 36 selfloop flow, removed 11 redundant places. [2021-03-25 18:14:25,694 INFO L241 Difference]: Finished difference. Result has 859 places, 746 transitions, 44781 flow [2021-03-25 18:14:25,694 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44457, PETRI_DIFFERENCE_MINUEND_PLACES=851, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=749, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=261, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=488, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44781, PETRI_PLACES=859, PETRI_TRANSITIONS=746} [2021-03-25 18:14:25,695 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 821 predicate places. [2021-03-25 18:14:25,695 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:14:25,695 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 859 places, 746 transitions, 44781 flow [2021-03-25 18:14:25,695 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 859 places, 746 transitions, 44781 flow [2021-03-25 18:14:25,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 857 places, 746 transitions, 44781 flow [2021-03-25 18:14:26,631 INFO L129 PetriNetUnfolder]: 260/3423 cut-off events. [2021-03-25 18:14:26,631 INFO L130 PetriNetUnfolder]: For 243351/243468 co-relation queries the response was YES. [2021-03-25 18:14:26,683 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34313 conditions, 3423 events. 260/3423 cut-off events. For 243351/243468 co-relation queries the response was YES. Maximal size of possible extension queue 619. Compared 50910 event pairs, 0 based on Foata normal form. 1/3375 useless extension candidates. Maximal degree in co-relation 34110. Up to 520 conditions per place. [2021-03-25 18:14:26,726 INFO L142 LiptonReduction]: Number of co-enabled transitions 4294 [2021-03-25 18:14:26,810 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:14:26,810 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:14:26,811 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1116 [2021-03-25 18:14:26,811 INFO L480 AbstractCegarLoop]: Abstraction has has 857 places, 746 transitions, 44781 flow [2021-03-25 18:14:26,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:26,811 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:14:26,811 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:14:26,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250 [2021-03-25 18:14:26,811 INFO L428 AbstractCegarLoop]: === Iteration 252 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:14:26,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:14:26,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1671933284, now seen corresponding path program 248 times [2021-03-25 18:14:26,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:14:26,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853412966] [2021-03-25 18:14:26,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:14:26,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:14:26,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:26,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:14:26,823 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:26,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:14:26,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:26,827 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:14:26,834 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 18:14:26,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 18:14:26,844 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:14:26,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:14:26,859 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:14:26,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:14:26,878 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:14:26,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:14:26,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:14:26,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853412966] [2021-03-25 18:14:26,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:14:26,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:14:26,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104799504] [2021-03-25 18:14:26,896 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:14:26,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:14:26,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:14:26,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:14:26,897 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:14:26,897 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 857 places, 746 transitions, 44781 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:26,897 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:14:26,897 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:14:26,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:14:28,711 INFO L129 PetriNetUnfolder]: 273/3447 cut-off events. [2021-03-25 18:14:28,711 INFO L130 PetriNetUnfolder]: For 246015/246137 co-relation queries the response was YES. [2021-03-25 18:14:28,759 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35903 conditions, 3447 events. 273/3447 cut-off events. For 246015/246137 co-relation queries the response was YES. Maximal size of possible extension queue 617. Compared 50939 event pairs, 13 based on Foata normal form. 13/3413 useless extension candidates. Maximal degree in co-relation 35699. Up to 681 conditions per place. [2021-03-25 18:14:28,767 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 474 selfloop transitions, 259 changer transitions 3/750 dead transitions. [2021-03-25 18:14:28,767 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 864 places, 750 transitions, 46309 flow [2021-03-25 18:14:28,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:14:28,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:14:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-25 18:14:28,768 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-25 18:14:28,768 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-25 18:14:28,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-25 18:14:28,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:14:28,768 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-25 18:14:28,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:28,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:28,769 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:28,769 INFO L185 Difference]: Start difference. First operand has 857 places, 746 transitions, 44781 flow. Second operand 8 states and 466 transitions. [2021-03-25 18:14:28,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 864 places, 750 transitions, 46309 flow [2021-03-25 18:14:31,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 859 places, 750 transitions, 45784 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-25 18:14:31,030 INFO L241 Difference]: Finished difference. Result has 860 places, 743 transitions, 44586 flow [2021-03-25 18:14:31,030 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44264, PETRI_DIFFERENCE_MINUEND_PLACES=852, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=746, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=259, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=487, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44586, PETRI_PLACES=860, PETRI_TRANSITIONS=743} [2021-03-25 18:14:31,030 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 822 predicate places. [2021-03-25 18:14:31,030 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:14:31,030 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 860 places, 743 transitions, 44586 flow [2021-03-25 18:14:31,030 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 860 places, 743 transitions, 44586 flow [2021-03-25 18:14:31,042 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 858 places, 743 transitions, 44586 flow [2021-03-25 18:14:31,905 INFO L129 PetriNetUnfolder]: 259/3412 cut-off events. [2021-03-25 18:14:31,905 INFO L130 PetriNetUnfolder]: For 242336/242454 co-relation queries the response was YES. [2021-03-25 18:14:31,954 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34191 conditions, 3412 events. 259/3412 cut-off events. For 242336/242454 co-relation queries the response was YES. Maximal size of possible extension queue 615. Compared 50762 event pairs, 0 based on Foata normal form. 1/3364 useless extension candidates. Maximal degree in co-relation 33988. Up to 518 conditions per place. [2021-03-25 18:14:31,996 INFO L142 LiptonReduction]: Number of co-enabled transitions 4282 [2021-03-25 18:14:32,080 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:14:32,080 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:14:32,081 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1051 [2021-03-25 18:14:32,081 INFO L480 AbstractCegarLoop]: Abstraction has has 858 places, 743 transitions, 44586 flow [2021-03-25 18:14:32,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:32,081 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:14:32,081 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:14:32,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable251 [2021-03-25 18:14:32,081 INFO L428 AbstractCegarLoop]: === Iteration 253 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:14:32,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:14:32,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1022596158, now seen corresponding path program 249 times [2021-03-25 18:14:32,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:14:32,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048899331] [2021-03-25 18:14:32,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:14:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:14:32,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:32,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:14:32,087 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:32,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:14:32,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:32,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:14:32,098 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:32,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:14:32,108 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-25 18:14:32,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 18:14:32,122 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-25 18:14:32,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 18:14:32,141 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:14:32,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:14:32,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:14:32,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048899331] [2021-03-25 18:14:32,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:14:32,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:14:32,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410574081] [2021-03-25 18:14:32,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:14:32,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:14:32,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:14:32,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:14:32,160 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:14:32,160 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 858 places, 743 transitions, 44586 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:32,160 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:14:32,160 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:14:32,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:14:33,908 INFO L129 PetriNetUnfolder]: 272/3436 cut-off events. [2021-03-25 18:14:33,909 INFO L130 PetriNetUnfolder]: For 245140/245257 co-relation queries the response was YES. [2021-03-25 18:14:33,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35777 conditions, 3436 events. 272/3436 cut-off events. For 245140/245257 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 50754 event pairs, 13 based on Foata normal form. 12/3401 useless extension candidates. Maximal degree in co-relation 35573. Up to 681 conditions per place. [2021-03-25 18:14:33,963 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 462 selfloop transitions, 268 changer transitions 3/747 dead transitions. [2021-03-25 18:14:33,963 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 865 places, 747 transitions, 46108 flow [2021-03-25 18:14:33,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:14:33,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:14:33,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 466 transitions. [2021-03-25 18:14:33,964 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8442028985507246 [2021-03-25 18:14:33,964 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 466 transitions. [2021-03-25 18:14:33,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 466 transitions. [2021-03-25 18:14:33,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:14:33,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 466 transitions. [2021-03-25 18:14:33,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.25) internal successors, (466), 8 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:33,964 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:33,965 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:33,965 INFO L185 Difference]: Start difference. First operand has 858 places, 743 transitions, 44586 flow. Second operand 8 states and 466 transitions. [2021-03-25 18:14:33,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 865 places, 747 transitions, 46108 flow [2021-03-25 18:14:36,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 860 places, 747 transitions, 45585 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-03-25 18:14:36,233 INFO L241 Difference]: Finished difference. Result has 861 places, 740 transitions, 44411 flow [2021-03-25 18:14:36,233 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=44071, PETRI_DIFFERENCE_MINUEND_PLACES=853, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=743, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=268, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=475, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=44411, PETRI_PLACES=861, PETRI_TRANSITIONS=740} [2021-03-25 18:14:36,233 INFO L343 CegarLoopForPetriNet]: 38 programPoint places, 823 predicate places. [2021-03-25 18:14:36,233 INFO L165 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-25 18:14:36,233 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 861 places, 740 transitions, 44411 flow [2021-03-25 18:14:36,234 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 861 places, 740 transitions, 44411 flow [2021-03-25 18:14:36,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 859 places, 740 transitions, 44411 flow [2021-03-25 18:14:37,140 INFO L129 PetriNetUnfolder]: 258/3401 cut-off events. [2021-03-25 18:14:37,140 INFO L130 PetriNetUnfolder]: For 241627/241744 co-relation queries the response was YES. [2021-03-25 18:14:37,190 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34074 conditions, 3401 events. 258/3401 cut-off events. For 241627/241744 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 50586 event pairs, 0 based on Foata normal form. 1/3351 useless extension candidates. Maximal degree in co-relation 33871. Up to 516 conditions per place. [2021-03-25 18:14:37,232 INFO L142 LiptonReduction]: Number of co-enabled transitions 4270 [2021-03-25 18:14:37,317 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 18:14:37,318 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 18:14:37,318 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1085 [2021-03-25 18:14:37,318 INFO L480 AbstractCegarLoop]: Abstraction has has 859 places, 740 transitions, 44411 flow [2021-03-25 18:14:37,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:37,318 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 18:14:37,318 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 18:14:37,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252 [2021-03-25 18:14:37,318 INFO L428 AbstractCegarLoop]: === Iteration 254 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-25 18:14:37,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 18:14:37,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1695029408, now seen corresponding path program 250 times [2021-03-25 18:14:37,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 18:14:37,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333924492] [2021-03-25 18:14:37,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 18:14:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 18:14:37,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:37,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 18:14:37,324 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:37,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 18:14:37,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:37,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 18:14:37,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 18:14:37,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 18:14:37,346 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 18:14:37,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 18:14:37,368 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-25 18:14:37,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 18:14:37,388 INFO L142 QuantifierPusher]: treesize reduction 45, result has 47.7 percent of original size [2021-03-25 18:14:37,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 18:14:37,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 18:14:37,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333924492] [2021-03-25 18:14:37,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 18:14:37,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 18:14:37,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978589521] [2021-03-25 18:14:37,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 18:14:37,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 18:14:37,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 18:14:37,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-03-25 18:14:37,408 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 69 [2021-03-25 18:14:37,408 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 859 places, 740 transitions, 44411 flow. Second operand has 8 states, 8 states have (on average 55.875) internal successors, (447), 8 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:37,409 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 18:14:37,409 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 69 [2021-03-25 18:14:37,409 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 18:14:39,176 INFO L129 PetriNetUnfolder]: 271/3425 cut-off events. [2021-03-25 18:14:39,176 INFO L130 PetriNetUnfolder]: For 244315/244432 co-relation queries the response was YES. [2021-03-25 18:14:39,229 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35656 conditions, 3425 events. 271/3425 cut-off events. For 244315/244432 co-relation queries the response was YES. Maximal size of possible extension queue 611. Compared 50519 event pairs, 13 based on Foata normal form. 12/3390 useless extension candidates. Maximal degree in co-relation 35452. Up to 681 conditions per place. [2021-03-25 18:14:39,237 INFO L132 encePairwiseOnDemand]: 62/69 looper letters, 462 selfloop transitions, 266 changer transitions 2/744 dead transitions. [2021-03-25 18:14:39,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 866 places, 744 transitions, 45927 flow [2021-03-25 18:14:39,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 18:14:39,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 18:14:39,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2021-03-25 18:14:39,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8460144927536232 [2021-03-25 18:14:39,238 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 467 transitions. [2021-03-25 18:14:39,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 467 transitions. [2021-03-25 18:14:39,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 18:14:39,238 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 467 transitions. [2021-03-25 18:14:39,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 58.375) internal successors, (467), 8 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:39,238 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:39,238 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 69.0) internal successors, (621), 9 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 18:14:39,239 INFO L185 Difference]: Start difference. First operand has 859 places, 740 transitions, 44411 flow. Second operand 8 states and 467 transitions. [2021-03-25 18:14:39,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 866 places, 744 transitions, 45927 flow Received shutdown request... [2021-03-25 18:14:40,435 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable253 [2021-03-25 18:14:40,435 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-25 18:14:40,441 WARN L224 ceAbstractionStarter]: Timeout [2021-03-25 18:14:40,441 INFO L202 PluginConnector]: Adding new model example_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 06:14:40 BasicIcfg [2021-03-25 18:14:40,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 18:14:40,441 INFO L168 Benchmark]: Toolchain (without parser) took 841513.76 ms. Allocated memory was 350.2 MB in the beginning and 3.0 GB in the end (delta: 2.6 GB). Free memory was 330.3 MB in the beginning and 2.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 560.7 MB. Max. memory is 16.0 GB. [2021-03-25 18:14:40,441 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 350.2 MB. Free memory was 331.4 MB in the beginning and 331.3 MB in the end (delta: 78.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 18:14:40,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.28 ms. Allocated memory is still 350.2 MB. Free memory was 330.2 MB in the beginning and 328.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 18:14:40,442 INFO L168 Benchmark]: Boogie Preprocessor took 12.27 ms. Allocated memory is still 350.2 MB. Free memory was 328.8 MB in the beginning and 327.8 MB in the end (delta: 914.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 18:14:40,442 INFO L168 Benchmark]: RCFGBuilder took 182.03 ms. Allocated memory is still 350.2 MB. Free memory was 327.8 MB in the beginning and 317.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-03-25 18:14:40,442 INFO L168 Benchmark]: TraceAbstraction took 841292.74 ms. Allocated memory was 350.2 MB in the beginning and 3.0 GB in the end (delta: 2.6 GB). Free memory was 316.8 MB in the beginning and 2.4 GB in the end (delta: -2.1 GB). Peak memory consumption was 546.0 MB. Max. memory is 16.0 GB. [2021-03-25 18:14:40,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 350.2 MB. Free memory was 331.4 MB in the beginning and 331.3 MB in the end (delta: 78.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.28 ms. Allocated memory is still 350.2 MB. Free memory was 330.2 MB in the beginning and 328.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 12.27 ms. Allocated memory is still 350.2 MB. Free memory was 328.8 MB in the beginning and 327.8 MB in the end (delta: 914.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 182.03 ms. Allocated memory is still 350.2 MB. Free memory was 327.8 MB in the beginning and 317.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 841292.74 ms. Allocated memory was 350.2 MB in the beginning and 3.0 GB in the end (delta: 2.6 GB). Free memory was 316.8 MB in the beginning and 2.4 GB in the end (delta: -2.1 GB). Peak memory consumption was 546.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 183.6ms, 44 PlacesBefore, 38 PlacesAfterwards, 55 TransitionsBefore, 49 TransitionsAfterwards, 780 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 6 TotalNumberOfCompositions, 225 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 225, positive: 225, positive conditional: 0, positive unconditional: 225, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 225, positive: 225, positive conditional: 0, positive unconditional: 225, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 225, positive: 225, positive conditional: 0, positive unconditional: 225, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 225, positive: 225, positive conditional: 0, positive unconditional: 225, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 225, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 225, unknown conditional: 0, unknown unconditional: 225] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.3ms, 28 PlacesBefore, 28 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 270 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.2ms, 29 PlacesBefore, 29 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.9ms, 30 PlacesBefore, 30 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 184 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.4ms, 31 PlacesBefore, 31 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 108 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.8ms, 43 PlacesBefore, 43 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 152 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.1ms, 55 PlacesBefore, 55 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 208 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43.9ms, 67 PlacesBefore, 67 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 65.4ms, 79 PlacesBefore, 79 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 434 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 74.2ms, 91 PlacesBefore, 91 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 544 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 95.6ms, 103 PlacesBefore, 102 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 634 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 149.5ms, 113 PlacesBefore, 113 PlacesAfterwards, 98 TransitionsBefore, 98 TransitionsAfterwards, 744 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 196.1ms, 125 PlacesBefore, 125 PlacesAfterwards, 111 TransitionsBefore, 111 TransitionsAfterwards, 846 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 176.5ms, 137 PlacesBefore, 137 PlacesAfterwards, 121 TransitionsBefore, 121 TransitionsAfterwards, 962 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 177.4ms, 148 PlacesBefore, 148 PlacesAfterwards, 137 TransitionsBefore, 137 TransitionsAfterwards, 1066 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 185.6ms, 158 PlacesBefore, 158 PlacesAfterwards, 143 TransitionsBefore, 143 TransitionsAfterwards, 1122 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 185.7ms, 167 PlacesBefore, 167 PlacesAfterwards, 148 TransitionsBefore, 148 TransitionsAfterwards, 1186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 200.4ms, 174 PlacesBefore, 174 PlacesAfterwards, 150 TransitionsBefore, 150 TransitionsAfterwards, 1206 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 301.3ms, 183 PlacesBefore, 183 PlacesAfterwards, 213 TransitionsBefore, 213 TransitionsAfterwards, 1398 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 297.8ms, 192 PlacesBefore, 192 PlacesAfterwards, 216 TransitionsBefore, 216 TransitionsAfterwards, 1434 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 308.1ms, 201 PlacesBefore, 201 PlacesAfterwards, 255 TransitionsBefore, 255 TransitionsAfterwards, 1590 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 292.5ms, 211 PlacesBefore, 211 PlacesAfterwards, 262 TransitionsBefore, 262 TransitionsAfterwards, 1648 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 354.1ms, 219 PlacesBefore, 219 PlacesAfterwards, 279 TransitionsBefore, 279 TransitionsAfterwards, 1798 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 356.9ms, 223 PlacesBefore, 223 PlacesAfterwards, 282 TransitionsBefore, 282 TransitionsAfterwards, 1828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 345.2ms, 230 PlacesBefore, 230 PlacesAfterwards, 311 TransitionsBefore, 311 TransitionsAfterwards, 1990 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 355.1ms, 239 PlacesBefore, 239 PlacesAfterwards, 322 TransitionsBefore, 322 TransitionsAfterwards, 2106 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 394.0ms, 249 PlacesBefore, 249 PlacesAfterwards, 330 TransitionsBefore, 330 TransitionsAfterwards, 2174 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 410.7ms, 258 PlacesBefore, 258 PlacesAfterwards, 338 TransitionsBefore, 338 TransitionsAfterwards, 2252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 412.1ms, 265 PlacesBefore, 265 PlacesAfterwards, 345 TransitionsBefore, 345 TransitionsAfterwards, 2332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 416.8ms, 274 PlacesBefore, 274 PlacesAfterwards, 354 TransitionsBefore, 354 TransitionsAfterwards, 2440 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 432.1ms, 280 PlacesBefore, 280 PlacesAfterwards, 357 TransitionsBefore, 357 TransitionsAfterwards, 2466 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 416.8ms, 285 PlacesBefore, 285 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 2490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 470.7ms, 289 PlacesBefore, 289 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 2490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 576.6ms, 293 PlacesBefore, 293 PlacesAfterwards, 360 TransitionsBefore, 360 TransitionsAfterwards, 2490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 419.0ms, 292 PlacesBefore, 292 PlacesAfterwards, 363 TransitionsBefore, 363 TransitionsAfterwards, 2514 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 421.9ms, 297 PlacesBefore, 297 PlacesAfterwards, 375 TransitionsBefore, 375 TransitionsAfterwards, 2616 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 432.5ms, 302 PlacesBefore, 302 PlacesAfterwards, 375 TransitionsBefore, 375 TransitionsAfterwards, 2616 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 515.1ms, 307 PlacesBefore, 307 PlacesAfterwards, 378 TransitionsBefore, 378 TransitionsAfterwards, 2650 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 429.1ms, 313 PlacesBefore, 313 PlacesAfterwards, 381 TransitionsBefore, 381 TransitionsAfterwards, 2682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 427.0ms, 315 PlacesBefore, 315 PlacesAfterwards, 381 TransitionsBefore, 381 TransitionsAfterwards, 2682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 457.1ms, 319 PlacesBefore, 295 PlacesAfterwards, 328 TransitionsBefore, 328 TransitionsAfterwards, 2122 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 410.2ms, 266 PlacesBefore, 265 PlacesAfterwards, 341 TransitionsBefore, 341 TransitionsAfterwards, 2266 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 350.1ms, 274 PlacesBefore, 273 PlacesAfterwards, 345 TransitionsBefore, 345 TransitionsAfterwards, 2314 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 380.1ms, 281 PlacesBefore, 280 PlacesAfterwards, 362 TransitionsBefore, 362 TransitionsAfterwards, 2508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 370.4ms, 284 PlacesBefore, 284 PlacesAfterwards, 362 TransitionsBefore, 362 TransitionsAfterwards, 2508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 378.0ms, 288 PlacesBefore, 288 PlacesAfterwards, 362 TransitionsBefore, 362 TransitionsAfterwards, 2508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 387.7ms, 294 PlacesBefore, 294 PlacesAfterwards, 363 TransitionsBefore, 363 TransitionsAfterwards, 2522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 400.2ms, 299 PlacesBefore, 299 PlacesAfterwards, 364 TransitionsBefore, 364 TransitionsAfterwards, 2536 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 366.1ms, 304 PlacesBefore, 298 PlacesAfterwards, 356 TransitionsBefore, 356 TransitionsAfterwards, 2438 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 368.9ms, 298 PlacesBefore, 297 PlacesAfterwards, 357 TransitionsBefore, 357 TransitionsAfterwards, 2454 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 445.3ms, 303 PlacesBefore, 302 PlacesAfterwards, 373 TransitionsBefore, 373 TransitionsAfterwards, 2588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 428.3ms, 309 PlacesBefore, 308 PlacesAfterwards, 377 TransitionsBefore, 377 TransitionsAfterwards, 2638 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 450.0ms, 316 PlacesBefore, 315 PlacesAfterwards, 391 TransitionsBefore, 391 TransitionsAfterwards, 2776 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 502.5ms, 320 PlacesBefore, 319 PlacesAfterwards, 390 TransitionsBefore, 390 TransitionsAfterwards, 2760 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 460.0ms, 323 PlacesBefore, 322 PlacesAfterwards, 390 TransitionsBefore, 390 TransitionsAfterwards, 2750 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 470.6ms, 328 PlacesBefore, 328 PlacesAfterwards, 404 TransitionsBefore, 404 TransitionsAfterwards, 2788 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 505.9ms, 333 PlacesBefore, 331 PlacesAfterwards, 400 TransitionsBefore, 400 TransitionsAfterwards, 2742 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 467.5ms, 332 PlacesBefore, 331 PlacesAfterwards, 398 TransitionsBefore, 398 TransitionsAfterwards, 2730 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 452.2ms, 333 PlacesBefore, 332 PlacesAfterwards, 396 TransitionsBefore, 396 TransitionsAfterwards, 2712 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 436.8ms, 335 PlacesBefore, 333 PlacesAfterwards, 393 TransitionsBefore, 393 TransitionsAfterwards, 2682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 435.6ms, 337 PlacesBefore, 337 PlacesAfterwards, 411 TransitionsBefore, 411 TransitionsAfterwards, 2738 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 494.1ms, 342 PlacesBefore, 341 PlacesAfterwards, 413 TransitionsBefore, 413 TransitionsAfterwards, 2754 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 462.4ms, 345 PlacesBefore, 343 PlacesAfterwards, 410 TransitionsBefore, 410 TransitionsAfterwards, 2730 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 473.9ms, 345 PlacesBefore, 344 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2716 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 432.9ms, 347 PlacesBefore, 346 PlacesAfterwards, 406 TransitionsBefore, 406 TransitionsAfterwards, 2712 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 469.7ms, 353 PlacesBefore, 352 PlacesAfterwards, 415 TransitionsBefore, 415 TransitionsAfterwards, 2794 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 481.9ms, 360 PlacesBefore, 359 PlacesAfterwards, 435 TransitionsBefore, 435 TransitionsAfterwards, 3000 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 499.8ms, 363 PlacesBefore, 363 PlacesAfterwards, 435 TransitionsBefore, 435 TransitionsAfterwards, 3000 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 497.2ms, 368 PlacesBefore, 368 PlacesAfterwards, 435 TransitionsBefore, 435 TransitionsAfterwards, 3000 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 483.7ms, 372 PlacesBefore, 371 PlacesAfterwards, 434 TransitionsBefore, 434 TransitionsAfterwards, 2998 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 528.5ms, 377 PlacesBefore, 377 PlacesAfterwards, 437 TransitionsBefore, 437 TransitionsAfterwards, 3040 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 538.2ms, 382 PlacesBefore, 382 PlacesAfterwards, 437 TransitionsBefore, 437 TransitionsAfterwards, 3040 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 527.7ms, 386 PlacesBefore, 380 PlacesAfterwards, 423 TransitionsBefore, 423 TransitionsAfterwards, 2896 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 473.8ms, 377 PlacesBefore, 376 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 2874 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 481.1ms, 380 PlacesBefore, 380 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 2874 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 465.6ms, 383 PlacesBefore, 381 PlacesAfterwards, 416 TransitionsBefore, 416 TransitionsAfterwards, 2828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 469.1ms, 385 PlacesBefore, 384 PlacesAfterwards, 415 TransitionsBefore, 415 TransitionsAfterwards, 2828 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 504.7ms, 388 PlacesBefore, 387 PlacesAfterwards, 413 TransitionsBefore, 413 TransitionsAfterwards, 2824 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 476.3ms, 390 PlacesBefore, 390 PlacesAfterwards, 422 TransitionsBefore, 422 TransitionsAfterwards, 2848 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 467.6ms, 395 PlacesBefore, 394 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 2830 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 468.4ms, 398 PlacesBefore, 397 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 2836 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 472.6ms, 400 PlacesBefore, 398 PlacesAfterwards, 416 TransitionsBefore, 416 TransitionsAfterwards, 2800 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 574.8ms, 404 PlacesBefore, 403 PlacesAfterwards, 434 TransitionsBefore, 434 TransitionsAfterwards, 2954 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 532.1ms, 410 PlacesBefore, 409 PlacesAfterwards, 438 TransitionsBefore, 438 TransitionsAfterwards, 2974 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 549.1ms, 413 PlacesBefore, 412 PlacesAfterwards, 439 TransitionsBefore, 439 TransitionsAfterwards, 2996 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 517.2ms, 416 PlacesBefore, 416 PlacesAfterwards, 447 TransitionsBefore, 447 TransitionsAfterwards, 3012 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 522.6ms, 423 PlacesBefore, 421 PlacesAfterwards, 444 TransitionsBefore, 444 TransitionsAfterwards, 2994 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 530.3ms, 424 PlacesBefore, 423 PlacesAfterwards, 445 TransitionsBefore, 445 TransitionsAfterwards, 3006 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 512.4ms, 426 PlacesBefore, 425 PlacesAfterwards, 443 TransitionsBefore, 443 TransitionsAfterwards, 2996 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 534.0ms, 429 PlacesBefore, 429 PlacesAfterwards, 448 TransitionsBefore, 448 TransitionsAfterwards, 3066 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 525.1ms, 433 PlacesBefore, 433 PlacesAfterwards, 448 TransitionsBefore, 448 TransitionsAfterwards, 3066 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 540.4ms, 438 PlacesBefore, 437 PlacesAfterwards, 446 TransitionsBefore, 446 TransitionsAfterwards, 3048 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 511.0ms, 440 PlacesBefore, 440 PlacesAfterwards, 446 TransitionsBefore, 446 TransitionsAfterwards, 3048 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 518.8ms, 443 PlacesBefore, 443 PlacesAfterwards, 446 TransitionsBefore, 446 TransitionsAfterwards, 3048 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 521.2ms, 448 PlacesBefore, 447 PlacesAfterwards, 445 TransitionsBefore, 445 TransitionsAfterwards, 3058 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 513.2ms, 452 PlacesBefore, 451 PlacesAfterwards, 443 TransitionsBefore, 443 TransitionsAfterwards, 3046 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 508.3ms, 455 PlacesBefore, 455 PlacesAfterwards, 443 TransitionsBefore, 443 TransitionsAfterwards, 3046 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 551.0ms, 460 PlacesBefore, 454 PlacesAfterwards, 432 TransitionsBefore, 432 TransitionsAfterwards, 2938 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 486.9ms, 449 PlacesBefore, 448 PlacesAfterwards, 430 TransitionsBefore, 430 TransitionsAfterwards, 2920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 495.5ms, 453 PlacesBefore, 453 PlacesAfterwards, 430 TransitionsBefore, 430 TransitionsAfterwards, 2920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 484.7ms, 456 PlacesBefore, 454 PlacesAfterwards, 427 TransitionsBefore, 427 TransitionsAfterwards, 2890 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 484.7ms, 457 PlacesBefore, 456 PlacesAfterwards, 426 TransitionsBefore, 426 TransitionsAfterwards, 2888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 463.1ms, 460 PlacesBefore, 459 PlacesAfterwards, 424 TransitionsBefore, 424 TransitionsAfterwards, 2878 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 456.1ms, 461 PlacesBefore, 459 PlacesAfterwards, 420 TransitionsBefore, 420 TransitionsAfterwards, 2842 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 509.2ms, 463 PlacesBefore, 462 PlacesAfterwards, 427 TransitionsBefore, 427 TransitionsAfterwards, 2908 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 474.8ms, 467 PlacesBefore, 467 PlacesAfterwards, 428 TransitionsBefore, 428 TransitionsAfterwards, 2916 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 478.1ms, 471 PlacesBefore, 470 PlacesAfterwards, 428 TransitionsBefore, 428 TransitionsAfterwards, 2922 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 469.1ms, 476 PlacesBefore, 474 PlacesAfterwards, 426 TransitionsBefore, 426 TransitionsAfterwards, 2910 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 470.5ms, 475 PlacesBefore, 474 PlacesAfterwards, 425 TransitionsBefore, 425 TransitionsAfterwards, 2914 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 466.9ms, 478 PlacesBefore, 477 PlacesAfterwards, 423 TransitionsBefore, 423 TransitionsAfterwards, 2902 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 467.3ms, 479 PlacesBefore, 478 PlacesAfterwards, 421 TransitionsBefore, 421 TransitionsAfterwards, 2888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 491.2ms, 483 PlacesBefore, 482 PlacesAfterwards, 424 TransitionsBefore, 424 TransitionsAfterwards, 2924 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 459.5ms, 487 PlacesBefore, 486 PlacesAfterwards, 422 TransitionsBefore, 422 TransitionsAfterwards, 2920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 464.4ms, 489 PlacesBefore, 489 PlacesAfterwards, 422 TransitionsBefore, 422 TransitionsAfterwards, 2920 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 465.7ms, 494 PlacesBefore, 493 PlacesAfterwards, 431 TransitionsBefore, 431 TransitionsAfterwards, 3006 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 457.2ms, 496 PlacesBefore, 495 PlacesAfterwards, 429 TransitionsBefore, 429 TransitionsAfterwards, 2996 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 445.6ms, 498 PlacesBefore, 496 PlacesAfterwards, 426 TransitionsBefore, 426 TransitionsAfterwards, 2972 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 447.1ms, 498 PlacesBefore, 498 PlacesAfterwards, 426 TransitionsBefore, 426 TransitionsAfterwards, 2972 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 494.2ms, 504 PlacesBefore, 503 PlacesAfterwards, 424 TransitionsBefore, 424 TransitionsAfterwards, 2960 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 446.7ms, 505 PlacesBefore, 504 PlacesAfterwards, 422 TransitionsBefore, 422 TransitionsAfterwards, 2956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 437.4ms, 507 PlacesBefore, 505 PlacesAfterwards, 418 TransitionsBefore, 418 TransitionsAfterwards, 2928 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 429.4ms, 508 PlacesBefore, 507 PlacesAfterwards, 417 TransitionsBefore, 417 TransitionsAfterwards, 2926 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 428.7ms, 509 PlacesBefore, 509 PlacesAfterwards, 417 TransitionsBefore, 417 TransitionsAfterwards, 2926 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 434.8ms, 512 PlacesBefore, 510 PlacesAfterwards, 412 TransitionsBefore, 412 TransitionsAfterwards, 2888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 435.5ms, 512 PlacesBefore, 511 PlacesAfterwards, 410 TransitionsBefore, 410 TransitionsAfterwards, 2878 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 418.4ms, 515 PlacesBefore, 514 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 428.7ms, 517 PlacesBefore, 517 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 424.0ms, 521 PlacesBefore, 521 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 438.2ms, 526 PlacesBefore, 526 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 491.8ms, 530 PlacesBefore, 530 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2864 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 392.8ms, 535 PlacesBefore, 529 PlacesAfterwards, 394 TransitionsBefore, 394 TransitionsAfterwards, 2736 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 435.2ms, 529 PlacesBefore, 529 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2774 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 387.2ms, 534 PlacesBefore, 534 PlacesAfterwards, 408 TransitionsBefore, 408 TransitionsAfterwards, 2774 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 499.4ms, 544 PlacesBefore, 543 PlacesAfterwards, 438 TransitionsBefore, 438 TransitionsAfterwards, 3026 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 579.7ms, 553 PlacesBefore, 552 PlacesAfterwards, 462 TransitionsBefore, 462 TransitionsAfterwards, 3248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 556.6ms, 558 PlacesBefore, 558 PlacesAfterwards, 463 TransitionsBefore, 463 TransitionsAfterwards, 3250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 567.4ms, 561 PlacesBefore, 561 PlacesAfterwards, 463 TransitionsBefore, 463 TransitionsAfterwards, 3250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 589.8ms, 565 PlacesBefore, 565 PlacesAfterwards, 466 TransitionsBefore, 466 TransitionsAfterwards, 3256 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 628.1ms, 574 PlacesBefore, 573 PlacesAfterwards, 504 TransitionsBefore, 504 TransitionsAfterwards, 3446 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 747.1ms, 583 PlacesBefore, 582 PlacesAfterwards, 532 TransitionsBefore, 532 TransitionsAfterwards, 3686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 638.1ms, 586 PlacesBefore, 586 PlacesAfterwards, 532 TransitionsBefore, 532 TransitionsAfterwards, 3686 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 735.7ms, 590 PlacesBefore, 590 PlacesAfterwards, 533 TransitionsBefore, 533 TransitionsAfterwards, 3688 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 749.0ms, 599 PlacesBefore, 598 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 3956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 743.6ms, 603 PlacesBefore, 603 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 3956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 812.3ms, 604 PlacesBefore, 604 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 3956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 750.6ms, 610 PlacesBefore, 610 PlacesAfterwards, 564 TransitionsBefore, 564 TransitionsAfterwards, 3960 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 874.2ms, 614 PlacesBefore, 614 PlacesAfterwards, 564 TransitionsBefore, 564 TransitionsAfterwards, 3960 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 806.2ms, 623 PlacesBefore, 622 PlacesAfterwards, 578 TransitionsBefore, 578 TransitionsAfterwards, 4068 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 838.6ms, 627 PlacesBefore, 627 PlacesAfterwards, 589 TransitionsBefore, 589 TransitionsAfterwards, 4116 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 809.6ms, 635 PlacesBefore, 635 PlacesAfterwards, 594 TransitionsBefore, 594 TransitionsAfterwards, 4172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 890.0ms, 640 PlacesBefore, 640 PlacesAfterwards, 594 TransitionsBefore, 594 TransitionsAfterwards, 4172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 809.6ms, 643 PlacesBefore, 643 PlacesAfterwards, 594 TransitionsBefore, 594 TransitionsAfterwards, 4172 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 929.5ms, 651 PlacesBefore, 650 PlacesAfterwards, 601 TransitionsBefore, 601 TransitionsAfterwards, 4220 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 937.0ms, 654 PlacesBefore, 654 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 4222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 856.3ms, 658 PlacesBefore, 658 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 4222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 852.4ms, 663 PlacesBefore, 663 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 4222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 835.9ms, 666 PlacesBefore, 666 PlacesAfterwards, 602 TransitionsBefore, 602 TransitionsAfterwards, 4222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 861.7ms, 670 PlacesBefore, 670 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 4226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 861.6ms, 675 PlacesBefore, 675 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 4226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 930.1ms, 679 PlacesBefore, 679 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 4226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1030.2ms, 683 PlacesBefore, 683 PlacesAfterwards, 604 TransitionsBefore, 604 TransitionsAfterwards, 4226 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 868.3ms, 689 PlacesBefore, 689 PlacesAfterwards, 605 TransitionsBefore, 605 TransitionsAfterwards, 4240 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 878.3ms, 694 PlacesBefore, 694 PlacesAfterwards, 607 TransitionsBefore, 607 TransitionsAfterwards, 4268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 891.6ms, 699 PlacesBefore, 699 PlacesAfterwards, 607 TransitionsBefore, 607 TransitionsAfterwards, 4268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 869.3ms, 702 PlacesBefore, 702 PlacesAfterwards, 607 TransitionsBefore, 607 TransitionsAfterwards, 4268 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 823.6ms, 706 PlacesBefore, 658 PlacesAfterwards, 562 TransitionsBefore, 562 TransitionsAfterwards, 3774 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 689.8ms, 630 PlacesBefore, 624 PlacesAfterwards, 551 TransitionsBefore, 551 TransitionsAfterwards, 3642 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 751.7ms, 619 PlacesBefore, 619 PlacesAfterwards, 557 TransitionsBefore, 557 TransitionsAfterwards, 3670 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 870.9ms, 629 PlacesBefore, 628 PlacesAfterwards, 596 TransitionsBefore, 596 TransitionsAfterwards, 3896 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 847.1ms, 635 PlacesBefore, 634 PlacesAfterwards, 595 TransitionsBefore, 595 TransitionsAfterwards, 3892 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 945.5ms, 641 PlacesBefore, 640 PlacesAfterwards, 622 TransitionsBefore, 622 TransitionsAfterwards, 4018 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 930.9ms, 648 PlacesBefore, 647 PlacesAfterwards, 625 TransitionsBefore, 625 TransitionsAfterwards, 4030 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 963.3ms, 653 PlacesBefore, 652 PlacesAfterwards, 631 TransitionsBefore, 631 TransitionsAfterwards, 4068 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 930.1ms, 658 PlacesBefore, 657 PlacesAfterwards, 632 TransitionsBefore, 632 TransitionsAfterwards, 4060 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1002.0ms, 659 PlacesBefore, 655 PlacesAfterwards, 626 TransitionsBefore, 626 TransitionsAfterwards, 3996 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1066.7ms, 658 PlacesBefore, 657 PlacesAfterwards, 629 TransitionsBefore, 629 TransitionsAfterwards, 4010 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 925.2ms, 661 PlacesBefore, 660 PlacesAfterwards, 627 TransitionsBefore, 627 TransitionsAfterwards, 4006 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 965.8ms, 663 PlacesBefore, 661 PlacesAfterwards, 624 TransitionsBefore, 624 TransitionsAfterwards, 3998 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 948.0ms, 664 PlacesBefore, 664 PlacesAfterwards, 628 TransitionsBefore, 628 TransitionsAfterwards, 4010 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 973.5ms, 668 PlacesBefore, 664 PlacesAfterwards, 622 TransitionsBefore, 622 TransitionsAfterwards, 3956 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 927.2ms, 667 PlacesBefore, 667 PlacesAfterwards, 634 TransitionsBefore, 634 TransitionsAfterwards, 4008 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 933.9ms, 672 PlacesBefore, 671 PlacesAfterwards, 635 TransitionsBefore, 635 TransitionsAfterwards, 4002 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 940.8ms, 675 PlacesBefore, 673 PlacesAfterwards, 630 TransitionsBefore, 630 TransitionsAfterwards, 3958 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 946.3ms, 675 PlacesBefore, 673 PlacesAfterwards, 627 TransitionsBefore, 627 TransitionsAfterwards, 3942 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 984.5ms, 675 PlacesBefore, 673 PlacesAfterwards, 623 TransitionsBefore, 623 TransitionsAfterwards, 3928 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1119.6ms, 681 PlacesBefore, 680 PlacesAfterwards, 664 TransitionsBefore, 664 TransitionsAfterwards, 4204 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1189.9ms, 689 PlacesBefore, 688 PlacesAfterwards, 678 TransitionsBefore, 678 TransitionsAfterwards, 4298 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1185.9ms, 697 PlacesBefore, 696 PlacesAfterwards, 704 TransitionsBefore, 704 TransitionsAfterwards, 4468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1208.7ms, 702 PlacesBefore, 702 PlacesAfterwards, 731 TransitionsBefore, 731 TransitionsAfterwards, 4620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1208.6ms, 711 PlacesBefore, 711 PlacesAfterwards, 746 TransitionsBefore, 746 TransitionsAfterwards, 4684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1192.8ms, 719 PlacesBefore, 719 PlacesAfterwards, 752 TransitionsBefore, 752 TransitionsAfterwards, 4702 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1205.1ms, 724 PlacesBefore, 723 PlacesAfterwards, 750 TransitionsBefore, 750 TransitionsAfterwards, 4698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1214.6ms, 726 PlacesBefore, 726 PlacesAfterwards, 750 TransitionsBefore, 750 TransitionsAfterwards, 4698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1219.2ms, 732 PlacesBefore, 732 PlacesAfterwards, 750 TransitionsBefore, 750 TransitionsAfterwards, 4698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1219.1ms, 737 PlacesBefore, 737 PlacesAfterwards, 750 TransitionsBefore, 750 TransitionsAfterwards, 4698 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1323.0ms, 741 PlacesBefore, 739 PlacesAfterwards, 748 TransitionsBefore, 748 TransitionsAfterwards, 4680 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1243.2ms, 741 PlacesBefore, 739 PlacesAfterwards, 749 TransitionsBefore, 749 TransitionsAfterwards, 4684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1224.0ms, 741 PlacesBefore, 741 PlacesAfterwards, 749 TransitionsBefore, 749 TransitionsAfterwards, 4684 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1195.6ms, 745 PlacesBefore, 738 PlacesAfterwards, 734 TransitionsBefore, 734 TransitionsAfterwards, 4528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1175.2ms, 736 PlacesBefore, 735 PlacesAfterwards, 734 TransitionsBefore, 734 TransitionsAfterwards, 4528 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1163.8ms, 738 PlacesBefore, 737 PlacesAfterwards, 731 TransitionsBefore, 731 TransitionsAfterwards, 4512 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1204.1ms, 740 PlacesBefore, 740 PlacesAfterwards, 731 TransitionsBefore, 731 TransitionsAfterwards, 4512 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1165.7ms, 743 PlacesBefore, 740 PlacesAfterwards, 726 TransitionsBefore, 726 TransitionsAfterwards, 4454 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1145.4ms, 742 PlacesBefore, 740 PlacesAfterwards, 722 TransitionsBefore, 722 TransitionsAfterwards, 4428 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1126.7ms, 745 PlacesBefore, 743 PlacesAfterwards, 718 TransitionsBefore, 718 TransitionsAfterwards, 4400 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1232.0ms, 749 PlacesBefore, 749 PlacesAfterwards, 754 TransitionsBefore, 754 TransitionsAfterwards, 4568 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1347.6ms, 758 PlacesBefore, 758 PlacesAfterwards, 772 TransitionsBefore, 772 TransitionsAfterwards, 4614 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1264.4ms, 765 PlacesBefore, 764 PlacesAfterwards, 775 TransitionsBefore, 775 TransitionsAfterwards, 4620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1199.9ms, 768 PlacesBefore, 766 PlacesAfterwards, 772 TransitionsBefore, 772 TransitionsAfterwards, 4602 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1257.7ms, 769 PlacesBefore, 767 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4598 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1224.8ms, 771 PlacesBefore, 770 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4598 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1216.3ms, 774 PlacesBefore, 772 PlacesAfterwards, 767 TransitionsBefore, 767 TransitionsAfterwards, 4586 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1240.6ms, 777 PlacesBefore, 777 PlacesAfterwards, 789 TransitionsBefore, 789 TransitionsAfterwards, 4694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1366.5ms, 782 PlacesBefore, 782 PlacesAfterwards, 789 TransitionsBefore, 789 TransitionsAfterwards, 4694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1273.3ms, 787 PlacesBefore, 787 PlacesAfterwards, 789 TransitionsBefore, 789 TransitionsAfterwards, 4694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1189.0ms, 792 PlacesBefore, 792 PlacesAfterwards, 789 TransitionsBefore, 789 TransitionsAfterwards, 4694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1253.5ms, 797 PlacesBefore, 796 PlacesAfterwards, 793 TransitionsBefore, 793 TransitionsAfterwards, 4706 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1255.0ms, 801 PlacesBefore, 801 PlacesAfterwards, 793 TransitionsBefore, 793 TransitionsAfterwards, 4706 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1224.5ms, 806 PlacesBefore, 800 PlacesAfterwards, 781 TransitionsBefore, 781 TransitionsAfterwards, 4588 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1335.3ms, 798 PlacesBefore, 797 PlacesAfterwards, 778 TransitionsBefore, 778 TransitionsAfterwards, 4566 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1294.8ms, 800 PlacesBefore, 800 PlacesAfterwards, 778 TransitionsBefore, 778 TransitionsAfterwards, 4566 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1201.2ms, 802 PlacesBefore, 800 PlacesAfterwards, 774 TransitionsBefore, 774 TransitionsAfterwards, 4530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1147.4ms, 801 PlacesBefore, 800 PlacesAfterwards, 772 TransitionsBefore, 772 TransitionsAfterwards, 4526 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1202.3ms, 805 PlacesBefore, 803 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4516 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1194.0ms, 806 PlacesBefore, 805 PlacesAfterwards, 768 TransitionsBefore, 768 TransitionsAfterwards, 4498 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1152.7ms, 808 PlacesBefore, 805 PlacesAfterwards, 765 TransitionsBefore, 765 TransitionsAfterwards, 4490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1182.7ms, 806 PlacesBefore, 805 PlacesAfterwards, 763 TransitionsBefore, 763 TransitionsAfterwards, 4486 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1165.1ms, 808 PlacesBefore, 807 PlacesAfterwards, 761 TransitionsBefore, 761 TransitionsAfterwards, 4474 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1161.4ms, 810 PlacesBefore, 806 PlacesAfterwards, 756 TransitionsBefore, 756 TransitionsAfterwards, 4430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1137.1ms, 810 PlacesBefore, 810 PlacesAfterwards, 765 TransitionsBefore, 765 TransitionsAfterwards, 4466 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1210.7ms, 817 PlacesBefore, 816 PlacesAfterwards, 766 TransitionsBefore, 766 TransitionsAfterwards, 4468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1269.1ms, 819 PlacesBefore, 817 PlacesAfterwards, 761 TransitionsBefore, 761 TransitionsAfterwards, 4432 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1188.6ms, 819 PlacesBefore, 817 PlacesAfterwards, 758 TransitionsBefore, 758 TransitionsAfterwards, 4426 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1201.9ms, 820 PlacesBefore, 818 PlacesAfterwards, 755 TransitionsBefore, 755 TransitionsAfterwards, 4412 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1156.9ms, 823 PlacesBefore, 821 PlacesAfterwards, 753 TransitionsBefore, 753 TransitionsAfterwards, 4406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1156.0ms, 823 PlacesBefore, 822 PlacesAfterwards, 757 TransitionsBefore, 757 TransitionsAfterwards, 4440 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1119.9ms, 826 PlacesBefore, 825 PlacesAfterwards, 765 TransitionsBefore, 765 TransitionsAfterwards, 4508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1116.8ms, 828 PlacesBefore, 827 PlacesAfterwards, 763 TransitionsBefore, 763 TransitionsAfterwards, 4504 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1138.5ms, 832 PlacesBefore, 831 PlacesAfterwards, 763 TransitionsBefore, 763 TransitionsAfterwards, 4496 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1096.6ms, 837 PlacesBefore, 836 PlacesAfterwards, 760 TransitionsBefore, 760 TransitionsAfterwards, 4490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1093.9ms, 838 PlacesBefore, 836 PlacesAfterwards, 757 TransitionsBefore, 757 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1087.1ms, 838 PlacesBefore, 838 PlacesAfterwards, 763 TransitionsBefore, 763 TransitionsAfterwards, 4496 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1083.5ms, 841 PlacesBefore, 839 PlacesAfterwards, 758 TransitionsBefore, 758 TransitionsAfterwards, 4460 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1086.5ms, 842 PlacesBefore, 842 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1130.1ms, 848 PlacesBefore, 848 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1086.7ms, 853 PlacesBefore, 853 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1079.9ms, 858 PlacesBefore, 858 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1133.7ms, 861 PlacesBefore, 861 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1141.9ms, 866 PlacesBefore, 866 PlacesAfterwards, 770 TransitionsBefore, 770 TransitionsAfterwards, 4484 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1117.7ms, 870 PlacesBefore, 868 PlacesAfterwards, 764 TransitionsBefore, 764 TransitionsAfterwards, 4438 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1092.7ms, 870 PlacesBefore, 862 PlacesAfterwards, 749 TransitionsBefore, 749 TransitionsAfterwards, 4308 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1115.6ms, 859 PlacesBefore, 857 PlacesAfterwards, 746 TransitionsBefore, 746 TransitionsAfterwards, 4294 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1049.9ms, 860 PlacesBefore, 858 PlacesAfterwards, 743 TransitionsBefore, 743 TransitionsAfterwards, 4282 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1083.9ms, 861 PlacesBefore, 859 PlacesAfterwards, 740 TransitionsBefore, 740 TransitionsAfterwards, 4270 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - TimeoutResultAtElement [Line: 25]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 25). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 38.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 841151.7ms, OverallIterations: 254, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 635942.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 357.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 4611 SDtfs, 6323 SDslu, 4005 SDs, 0 SdLazy, 7885 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5271.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2012 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 1754 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1000 ImplicationChecksByTransitivity, 26890.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=48019occurred in iteration=217, InterpolantAutomatonStates: 2004, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 79.3ms SsaConstructionTime, 234.8ms SatisfiabilityAnalysisTime, 24263.1ms InterpolantComputationTime, 4826 NumberOfCodeBlocks, 4826 NumberOfCodeBlocksAsserted, 254 NumberOfCheckSat, 4572 ConstructedInterpolants, 0 QuantifiedInterpolants, 107245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 254 InterpolantComputations, 254 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown