/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 03:48:46,873 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 03:48:46,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 03:48:46,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 03:48:46,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 03:48:46,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 03:48:46,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 03:48:46,925 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 03:48:46,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 03:48:46,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 03:48:46,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 03:48:46,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 03:48:46,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 03:48:46,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 03:48:46,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 03:48:46,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 03:48:46,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 03:48:46,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 03:48:46,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 03:48:46,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 03:48:46,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 03:48:46,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 03:48:46,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 03:48:46,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 03:48:46,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 03:48:46,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 03:48:46,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 03:48:46,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 03:48:46,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 03:48:46,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 03:48:46,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 03:48:46,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 03:48:46,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 03:48:46,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 03:48:46,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 03:48:46,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 03:48:46,978 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-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 03:48:47,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 03:48:47,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 03:48:47,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 03:48:47,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 03:48:47,016 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 03:48:47,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 03:48:47,017 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 03:48:47,017 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 03:48:47,017 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 03:48:47,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 03:48:47,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 03:48:47,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 03:48:47,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 03:48:47,019 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 03:48:47,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 03:48:47,019 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 03:48:47,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 03:48:47,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 03:48:47,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 03:48:47,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 03:48:47,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 03:48:47,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 03:48:47,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 03:48:47,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 03:48:47,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 03:48:47,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 03:48:47,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 03:48:47,021 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 03:48:47,021 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 03:48:47,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 03:48:47,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 03:48:47,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 03:48:47,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 03:48:47,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 03:48:47,393 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 03:48:47,395 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 03:48:47,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_9.bpl [2021-03-26 03:48:47,396 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_9.bpl' [2021-03-26 03:48:47,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 03:48:47,430 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 03:48:47,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 03:48:47,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 03:48:47,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 03:48:47,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:47" (1/1) ... [2021-03-26 03:48:47,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:47" (1/1) ... [2021-03-26 03:48:47,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 03:48:47,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 03:48:47,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 03:48:47,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 03:48:47,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:47" (1/1) ... [2021-03-26 03:48:47,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:47" (1/1) ... [2021-03-26 03:48:47,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:47" (1/1) ... [2021-03-26 03:48:47,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:47" (1/1) ... [2021-03-26 03:48:47,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:47" (1/1) ... [2021-03-26 03:48:47,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:47" (1/1) ... [2021-03-26 03:48:47,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:47" (1/1) ... [2021-03-26 03:48:47,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 03:48:47,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 03:48:47,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 03:48:47,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 03:48:47,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:47" (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 [2021-03-26 03:48:47,548 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-03-26 03:48:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-03-26 03:48:47,548 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-03-26 03:48:47,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-03-26 03:48:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-03-26 03:48:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-03-26 03:48:47,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-03-26 03:48:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-03-26 03:48:47,549 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-03-26 03:48:47,549 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-03-26 03:48:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-03-26 03:48:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-03-26 03:48:47,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-03-26 03:48:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-03-26 03:48:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-03-26 03:48:47,550 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 03:48:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 03:48:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 03:48:47,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-03-26 03:48:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-03-26 03:48:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-03-26 03:48:47,551 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2021-03-26 03:48:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2021-03-26 03:48:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2021-03-26 03:48:47,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2021-03-26 03:48:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2021-03-26 03:48:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2021-03-26 03:48:47,552 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2021-03-26 03:48:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2021-03-26 03:48:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2021-03-26 03:48:47,553 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 03:48:47,700 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 03:48:47,700 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 03:48:47,702 INFO L202 PluginConnector]: Adding new model example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 03:48:47 BoogieIcfgContainer [2021-03-26 03:48:47,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 03:48:47,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 03:48:47,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 03:48:47,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 03:48:47,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 03:48:47" (1/2) ... [2021-03-26 03:48:47,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1577b0b8 and model type example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 03:48:47, skipping insertion in model container [2021-03-26 03:48:47,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 03:48:47" (2/2) ... [2021-03-26 03:48:47,708 INFO L111 eAbstractionObserver]: Analyzing ICFG example_9.bpl [2021-03-26 03:48:47,712 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 03:48:47,715 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 03:48:47,716 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 03:48:47,842 INFO L149 ThreadInstanceAdder]: Constructed 81 joinOtherThreadTransitions. [2021-03-26 03:48:47,857 INFO L253 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-03-26 03:48:47,891 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 03:48:47,891 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 03:48:47,891 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 03:48:47,891 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 03:48:47,891 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 03:48:47,891 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 03:48:47,891 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 03:48:47,891 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 03:48:47,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 120 transitions, 528 flow [2021-03-26 03:48:48,285 INFO L129 PetriNetUnfolder]: 1793/2334 cut-off events. [2021-03-26 03:48:48,285 INFO L130 PetriNetUnfolder]: For 2304/2304 co-relation queries the response was YES. [2021-03-26 03:48:48,297 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4666 conditions, 2334 events. 1793/2334 cut-off events. For 2304/2304 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 8920 event pairs, 0 based on Foata normal form. 0/2333 useless extension candidates. Maximal degree in co-relation 2090. Up to 630 conditions per place. [2021-03-26 03:48:48,297 INFO L82 GeneralOperation]: Start removeDead. Operand has 76 places, 120 transitions, 528 flow [2021-03-26 03:48:48,323 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 109 transitions, 488 flow [2021-03-26 03:48:48,325 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:48,337 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 109 transitions, 488 flow [2021-03-26 03:48:48,340 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 109 transitions, 488 flow [2021-03-26 03:48:48,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 109 transitions, 488 flow [2021-03-26 03:48:48,530 INFO L129 PetriNetUnfolder]: 1793/2332 cut-off events. [2021-03-26 03:48:48,531 INFO L130 PetriNetUnfolder]: For 2304/2304 co-relation queries the response was YES. [2021-03-26 03:48:48,538 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4664 conditions, 2332 events. 1793/2332 cut-off events. For 2304/2304 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 8412 event pairs, 0 based on Foata normal form. 0/2332 useless extension candidates. Maximal degree in co-relation 2090. Up to 630 conditions per place. [2021-03-26 03:48:48,571 INFO L142 LiptonReduction]: Number of co-enabled transitions 2736 [2021-03-26 03:48:48,805 INFO L154 LiptonReduction]: Checked pairs total: 756 [2021-03-26 03:48:48,805 INFO L156 LiptonReduction]: Total number of compositions: 9 [2021-03-26 03:48:48,807 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 483 [2021-03-26 03:48:48,946 INFO L129 PetriNetUnfolder]: 1793/2322 cut-off events. [2021-03-26 03:48:48,946 INFO L130 PetriNetUnfolder]: For 2304/2304 co-relation queries the response was YES. [2021-03-26 03:48:48,946 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:48,947 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:48,947 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:48,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:48,952 INFO L82 PathProgramCache]: Analyzing trace with hash -368766337, now seen corresponding path program 1 times [2021-03-26 03:48:48,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:48,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583726921] [2021-03-26 03:48:48,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:49,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:49,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:49,122 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:49,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:49,129 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:49,131 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:49,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:49,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583726921] [2021-03-26 03:48:49,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:49,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:49,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100049314] [2021-03-26 03:48:49,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:49,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:49,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:49,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:49,157 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-03-26 03:48:49,167 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 100 transitions, 470 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,167 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:49,167 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-03-26 03:48:49,168 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:49,353 INFO L129 PetriNetUnfolder]: 1001/1368 cut-off events. [2021-03-26 03:48:49,354 INFO L130 PetriNetUnfolder]: For 2025/2025 co-relation queries the response was YES. [2021-03-26 03:48:49,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2840 conditions, 1368 events. 1001/1368 cut-off events. For 2025/2025 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5714 event pairs, 0 based on Foata normal form. 163/1531 useless extension candidates. Maximal degree in co-relation 2066. Up to 280 conditions per place. [2021-03-26 03:48:49,367 INFO L132 encePairwiseOnDemand]: 123/129 looper letters, 4 selfloop transitions, 1 changer transitions 0/95 dead transitions. [2021-03-26 03:48:49,367 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 95 transitions, 455 flow [2021-03-26 03:48:49,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:49,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-26 03:48:49,384 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9483204134366925 [2021-03-26 03:48:49,384 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-26 03:48:49,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-26 03:48:49,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:49,390 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-26 03:48:49,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,401 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,403 INFO L185 Difference]: Start difference. First operand has 56 places, 100 transitions, 470 flow. Second operand 3 states and 367 transitions. [2021-03-26 03:48:49,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 95 transitions, 455 flow [2021-03-26 03:48:49,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 95 transitions, 285 flow, removed 0 selfloop flow, removed 18 redundant places. [2021-03-26 03:48:49,424 INFO L241 Difference]: Finished difference. Result has 40 places, 95 transitions, 277 flow [2021-03-26 03:48:49,425 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=277, PETRI_PLACES=40, PETRI_TRANSITIONS=95} [2021-03-26 03:48:49,426 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -16 predicate places. [2021-03-26 03:48:49,426 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:49,427 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 95 transitions, 277 flow [2021-03-26 03:48:49,428 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 95 transitions, 277 flow [2021-03-26 03:48:49,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 95 transitions, 277 flow [2021-03-26 03:48:49,506 INFO L129 PetriNetUnfolder]: 1001/1368 cut-off events. [2021-03-26 03:48:49,507 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:49,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1380 conditions, 1368 events. 1001/1368 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5238 event pairs, 0 based on Foata normal form. 0/1368 useless extension candidates. Maximal degree in co-relation 1365. Up to 280 conditions per place. [2021-03-26 03:48:49,519 INFO L142 LiptonReduction]: Number of co-enabled transitions 1216 [2021-03-26 03:48:49,535 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:49,535 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:49,535 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 109 [2021-03-26 03:48:49,538 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 95 transitions, 277 flow [2021-03-26 03:48:49,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,539 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:49,539 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:49,539 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 03:48:49,540 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:49,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:49,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1267996449, now seen corresponding path program 1 times [2021-03-26 03:48:49,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:49,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199167351] [2021-03-26 03:48:49,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:49,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:49,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:49,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:49,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:49,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:49,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:49,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:49,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199167351] [2021-03-26 03:48:49,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:49,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:49,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271174353] [2021-03-26 03:48:49,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:49,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:49,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:49,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:49,609 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-03-26 03:48:49,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 95 transitions, 277 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:49,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-03-26 03:48:49,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:49,703 INFO L129 PetriNetUnfolder]: 994/1360 cut-off events. [2021-03-26 03:48:49,703 INFO L130 PetriNetUnfolder]: For 157/157 co-relation queries the response was YES. [2021-03-26 03:48:49,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1530 conditions, 1360 events. 994/1360 cut-off events. For 157/157 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 6102 event pairs, 0 based on Foata normal form. 1/1361 useless extension candidates. Maximal degree in co-relation 1513. Up to 280 conditions per place. [2021-03-26 03:48:49,715 INFO L132 encePairwiseOnDemand]: 127/129 looper letters, 8 selfloop transitions, 1 changer transitions 0/94 dead transitions. [2021-03-26 03:48:49,715 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 94 transitions, 292 flow [2021-03-26 03:48:49,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:49,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:49,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-26 03:48:49,718 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9483204134366925 [2021-03-26 03:48:49,718 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-26 03:48:49,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-26 03:48:49,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:49,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-26 03:48:49,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,721 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,722 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,722 INFO L185 Difference]: Start difference. First operand has 40 places, 95 transitions, 277 flow. Second operand 3 states and 367 transitions. [2021-03-26 03:48:49,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 94 transitions, 292 flow [2021-03-26 03:48:49,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 94 transitions, 291 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:49,726 INFO L241 Difference]: Finished difference. Result has 41 places, 94 transitions, 275 flow [2021-03-26 03:48:49,726 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=275, PETRI_PLACES=41, PETRI_TRANSITIONS=94} [2021-03-26 03:48:49,727 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -15 predicate places. [2021-03-26 03:48:49,727 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:49,727 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 94 transitions, 275 flow [2021-03-26 03:48:49,728 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 94 transitions, 275 flow [2021-03-26 03:48:49,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 94 transitions, 275 flow [2021-03-26 03:48:49,790 INFO L129 PetriNetUnfolder]: 994/1360 cut-off events. [2021-03-26 03:48:49,790 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:49,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1373 conditions, 1360 events. 994/1360 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5156 event pairs, 0 based on Foata normal form. 0/1360 useless extension candidates. Maximal degree in co-relation 1366. Up to 280 conditions per place. [2021-03-26 03:48:49,803 INFO L142 LiptonReduction]: Number of co-enabled transitions 1200 [2021-03-26 03:48:49,817 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:49,817 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:49,817 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 90 [2021-03-26 03:48:49,819 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 94 transitions, 275 flow [2021-03-26 03:48:49,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,819 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:49,819 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:49,819 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 03:48:49,820 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:49,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:49,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1076204707, now seen corresponding path program 1 times [2021-03-26 03:48:49,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:49,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861232060] [2021-03-26 03:48:49,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:49,868 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:49,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:49,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:49,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:49,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:49,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:49,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:49,876 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861232060] [2021-03-26 03:48:49,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:49,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:49,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514353864] [2021-03-26 03:48:49,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:49,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:49,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:49,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:49,879 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-03-26 03:48:49,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 94 transitions, 275 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:49,880 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-03-26 03:48:49,880 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:49,975 INFO L129 PetriNetUnfolder]: 946/1304 cut-off events. [2021-03-26 03:48:49,975 INFO L130 PetriNetUnfolder]: For 156/156 co-relation queries the response was YES. [2021-03-26 03:48:49,977 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1468 conditions, 1304 events. 946/1304 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 5805 event pairs, 0 based on Foata normal form. 7/1311 useless extension candidates. Maximal degree in co-relation 1460. Up to 280 conditions per place. [2021-03-26 03:48:49,985 INFO L132 encePairwiseOnDemand]: 126/129 looper letters, 7 selfloop transitions, 1 changer transitions 0/92 dead transitions. [2021-03-26 03:48:49,985 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 92 transitions, 285 flow [2021-03-26 03:48:49,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:49,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:49,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-26 03:48:49,987 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9483204134366925 [2021-03-26 03:48:49,987 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-26 03:48:49,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-26 03:48:49,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:49,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-26 03:48:49,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,990 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:49,990 INFO L185 Difference]: Start difference. First operand has 41 places, 94 transitions, 275 flow. Second operand 3 states and 367 transitions. [2021-03-26 03:48:49,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 92 transitions, 285 flow [2021-03-26 03:48:49,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 92 transitions, 284 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:49,995 INFO L241 Difference]: Finished difference. Result has 42 places, 92 transitions, 270 flow [2021-03-26 03:48:49,995 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=270, PETRI_PLACES=42, PETRI_TRANSITIONS=92} [2021-03-26 03:48:49,995 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -14 predicate places. [2021-03-26 03:48:49,995 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:49,996 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 92 transitions, 270 flow [2021-03-26 03:48:49,998 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 92 transitions, 270 flow [2021-03-26 03:48:49,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 92 transitions, 270 flow [2021-03-26 03:48:50,073 INFO L129 PetriNetUnfolder]: 946/1304 cut-off events. [2021-03-26 03:48:50,073 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:50,074 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1318 conditions, 1304 events. 946/1304 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5000 event pairs, 0 based on Foata normal form. 0/1304 useless extension candidates. Maximal degree in co-relation 1311. Up to 280 conditions per place. [2021-03-26 03:48:50,082 INFO L142 LiptonReduction]: Number of co-enabled transitions 1168 [2021-03-26 03:48:50,096 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:50,096 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:50,096 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 101 [2021-03-26 03:48:50,101 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 92 transitions, 270 flow [2021-03-26 03:48:50,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,101 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:50,102 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:50,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 03:48:50,102 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:50,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:50,103 INFO L82 PathProgramCache]: Analyzing trace with hash 323209673, now seen corresponding path program 1 times [2021-03-26 03:48:50,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:50,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646082353] [2021-03-26 03:48:50,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:50,135 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,136 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:50,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:50,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:50,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646082353] [2021-03-26 03:48:50,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:50,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:50,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737279031] [2021-03-26 03:48:50,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:50,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:50,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:50,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:50,151 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-03-26 03:48:50,151 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 92 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,152 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:50,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-03-26 03:48:50,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:50,200 INFO L129 PetriNetUnfolder]: 393/597 cut-off events. [2021-03-26 03:48:50,201 INFO L130 PetriNetUnfolder]: For 149/149 co-relation queries the response was YES. [2021-03-26 03:48:50,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 650 conditions, 597 events. 393/597 cut-off events. For 149/149 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 2501 event pairs, 0 based on Foata normal form. 112/709 useless extension candidates. Maximal degree in co-relation 642. Up to 140 conditions per place. [2021-03-26 03:48:50,205 INFO L132 encePairwiseOnDemand]: 122/129 looper letters, 3 selfloop transitions, 1 changer transitions 0/86 dead transitions. [2021-03-26 03:48:50,206 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 260 flow [2021-03-26 03:48:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:50,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:50,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-26 03:48:50,207 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9483204134366925 [2021-03-26 03:48:50,207 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-26 03:48:50,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-26 03:48:50,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:50,208 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-26 03:48:50,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,210 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,210 INFO L185 Difference]: Start difference. First operand has 42 places, 92 transitions, 270 flow. Second operand 3 states and 367 transitions. [2021-03-26 03:48:50,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 260 flow [2021-03-26 03:48:50,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 86 transitions, 259 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:50,212 INFO L241 Difference]: Finished difference. Result has 43 places, 86 transitions, 253 flow [2021-03-26 03:48:50,212 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=253, PETRI_PLACES=43, PETRI_TRANSITIONS=86} [2021-03-26 03:48:50,213 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -13 predicate places. [2021-03-26 03:48:50,213 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:50,213 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 86 transitions, 253 flow [2021-03-26 03:48:50,213 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 86 transitions, 253 flow [2021-03-26 03:48:50,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 86 transitions, 253 flow [2021-03-26 03:48:50,243 INFO L129 PetriNetUnfolder]: 393/597 cut-off events. [2021-03-26 03:48:50,243 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:50,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 612 conditions, 597 events. 393/597 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2115 event pairs, 0 based on Foata normal form. 0/597 useless extension candidates. Maximal degree in co-relation 605. Up to 140 conditions per place. [2021-03-26 03:48:50,247 INFO L142 LiptonReduction]: Number of co-enabled transitions 1072 [2021-03-26 03:48:50,259 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:50,259 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:50,259 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-26 03:48:50,261 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 86 transitions, 253 flow [2021-03-26 03:48:50,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,262 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:50,262 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:50,262 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 03:48:50,262 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:50,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:50,262 INFO L82 PathProgramCache]: Analyzing trace with hash 878838051, now seen corresponding path program 1 times [2021-03-26 03:48:50,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:50,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91793813] [2021-03-26 03:48:50,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:50,292 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:50,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:50,302 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:50,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:50,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91793813] [2021-03-26 03:48:50,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:50,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:50,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761311134] [2021-03-26 03:48:50,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:50,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:50,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:50,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:50,307 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-03-26 03:48:50,308 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 86 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,308 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:50,308 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-03-26 03:48:50,308 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:50,350 INFO L129 PetriNetUnfolder]: 309/492 cut-off events. [2021-03-26 03:48:50,350 INFO L130 PetriNetUnfolder]: For 72/72 co-relation queries the response was YES. [2021-03-26 03:48:50,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 566 conditions, 492 events. 309/492 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 2021 event pairs, 0 based on Foata normal form. 15/507 useless extension candidates. Maximal degree in co-relation 558. Up to 105 conditions per place. [2021-03-26 03:48:50,354 INFO L132 encePairwiseOnDemand]: 125/129 looper letters, 6 selfloop transitions, 1 changer transitions 0/83 dead transitions. [2021-03-26 03:48:50,354 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 83 transitions, 258 flow [2021-03-26 03:48:50,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:50,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:50,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-26 03:48:50,355 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9483204134366925 [2021-03-26 03:48:50,356 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-26 03:48:50,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-26 03:48:50,356 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:50,356 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-26 03:48:50,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,358 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,358 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,358 INFO L185 Difference]: Start difference. First operand has 43 places, 86 transitions, 253 flow. Second operand 3 states and 367 transitions. [2021-03-26 03:48:50,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 83 transitions, 258 flow [2021-03-26 03:48:50,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 83 transitions, 257 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:50,362 INFO L241 Difference]: Finished difference. Result has 44 places, 83 transitions, 245 flow [2021-03-26 03:48:50,362 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=245, PETRI_PLACES=44, PETRI_TRANSITIONS=83} [2021-03-26 03:48:50,363 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -12 predicate places. [2021-03-26 03:48:50,363 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:50,363 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 83 transitions, 245 flow [2021-03-26 03:48:50,363 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 83 transitions, 245 flow [2021-03-26 03:48:50,364 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 83 transitions, 245 flow [2021-03-26 03:48:50,389 INFO L129 PetriNetUnfolder]: 309/492 cut-off events. [2021-03-26 03:48:50,389 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:50,390 INFO L84 FinitePrefix]: Finished finitePrefix Result has 508 conditions, 492 events. 309/492 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1776 event pairs, 0 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 501. Up to 105 conditions per place. [2021-03-26 03:48:50,392 INFO L142 LiptonReduction]: Number of co-enabled transitions 1024 [2021-03-26 03:48:50,410 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:50,410 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:50,411 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 48 [2021-03-26 03:48:50,414 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 83 transitions, 245 flow [2021-03-26 03:48:50,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,414 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:50,415 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:50,415 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 03:48:50,415 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:50,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:50,415 INFO L82 PathProgramCache]: Analyzing trace with hash -296795403, now seen corresponding path program 1 times [2021-03-26 03:48:50,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:50,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396637216] [2021-03-26 03:48:50,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:50,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:50,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,446 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:50,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:50,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:50,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396637216] [2021-03-26 03:48:50,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:50,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:50,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846679788] [2021-03-26 03:48:50,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:50,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:50,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:50,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:50,452 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-03-26 03:48:50,453 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 83 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,453 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:50,453 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-03-26 03:48:50,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:50,477 INFO L129 PetriNetUnfolder]: 76/160 cut-off events. [2021-03-26 03:48:50,477 INFO L130 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2021-03-26 03:48:50,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 160 events. 76/160 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 486 event pairs, 0 based on Foata normal form. 48/208 useless extension candidates. Maximal degree in co-relation 179. Up to 30 conditions per place. [2021-03-26 03:48:50,478 INFO L132 encePairwiseOnDemand]: 121/129 looper letters, 2 selfloop transitions, 1 changer transitions 0/76 dead transitions. [2021-03-26 03:48:50,479 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 76 transitions, 230 flow [2021-03-26 03:48:50,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:50,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:50,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-26 03:48:50,480 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9483204134366925 [2021-03-26 03:48:50,480 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-26 03:48:50,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-26 03:48:50,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:50,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-26 03:48:50,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,482 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,483 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,483 INFO L185 Difference]: Start difference. First operand has 44 places, 83 transitions, 245 flow. Second operand 3 states and 367 transitions. [2021-03-26 03:48:50,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 76 transitions, 230 flow [2021-03-26 03:48:50,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 76 transitions, 229 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:50,485 INFO L241 Difference]: Finished difference. Result has 45 places, 76 transitions, 225 flow [2021-03-26 03:48:50,485 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=225, PETRI_PLACES=45, PETRI_TRANSITIONS=76} [2021-03-26 03:48:50,485 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -11 predicate places. [2021-03-26 03:48:50,486 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:50,486 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 76 transitions, 225 flow [2021-03-26 03:48:50,486 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 76 transitions, 225 flow [2021-03-26 03:48:50,486 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 76 transitions, 225 flow [2021-03-26 03:48:50,495 INFO L129 PetriNetUnfolder]: 76/160 cut-off events. [2021-03-26 03:48:50,495 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:50,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 160 events. 76/160 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 450 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 170. Up to 30 conditions per place. [2021-03-26 03:48:50,496 INFO L142 LiptonReduction]: Number of co-enabled transitions 656 [2021-03-26 03:48:50,500 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:50,500 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:50,500 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-26 03:48:50,502 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 76 transitions, 225 flow [2021-03-26 03:48:50,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,503 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:50,503 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:50,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 03:48:50,503 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:50,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:50,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1151034427, now seen corresponding path program 1 times [2021-03-26 03:48:50,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:50,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325346679] [2021-03-26 03:48:50,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:50,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:50,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:48:50,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:50,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:50,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325346679] [2021-03-26 03:48:50,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:50,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:48:50,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984357573] [2021-03-26 03:48:50,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:48:50,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:50,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:48:50,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:48:50,542 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-03-26 03:48:50,542 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 76 transitions, 225 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,543 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:50,543 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-03-26 03:48:50,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:50,556 INFO L129 PetriNetUnfolder]: 10/48 cut-off events. [2021-03-26 03:48:50,557 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-03-26 03:48:50,557 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 48 events. 10/48 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 64 event pairs, 0 based on Foata normal form. 18/66 useless extension candidates. Maximal degree in co-relation 60. Up to 8 conditions per place. [2021-03-26 03:48:50,557 INFO L132 encePairwiseOnDemand]: 120/129 looper letters, 1 selfloop transitions, 1 changer transitions 0/42 dead transitions. [2021-03-26 03:48:50,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 42 transitions, 127 flow [2021-03-26 03:48:50,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:48:50,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:48:50,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2021-03-26 03:48:50,559 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9483204134366925 [2021-03-26 03:48:50,559 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 367 transitions. [2021-03-26 03:48:50,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 367 transitions. [2021-03-26 03:48:50,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:50,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 367 transitions. [2021-03-26 03:48:50,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,562 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,562 INFO L185 Difference]: Start difference. First operand has 45 places, 76 transitions, 225 flow. Second operand 3 states and 367 transitions. [2021-03-26 03:48:50,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 42 transitions, 127 flow [2021-03-26 03:48:50,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 42 transitions, 126 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:50,563 INFO L241 Difference]: Finished difference. Result has 46 places, 42 transitions, 124 flow [2021-03-26 03:48:50,563 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=124, PETRI_PLACES=46, PETRI_TRANSITIONS=42} [2021-03-26 03:48:50,564 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, -10 predicate places. [2021-03-26 03:48:50,564 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:50,564 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 42 transitions, 124 flow [2021-03-26 03:48:50,564 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 42 transitions, 124 flow [2021-03-26 03:48:50,564 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 42 transitions, 124 flow [2021-03-26 03:48:50,568 INFO L129 PetriNetUnfolder]: 10/48 cut-off events. [2021-03-26 03:48:50,568 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:50,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 66 conditions, 48 events. 10/48 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. 0/48 useless extension candidates. Maximal degree in co-relation 59. Up to 8 conditions per place. [2021-03-26 03:48:50,568 INFO L142 LiptonReduction]: Number of co-enabled transitions 380 [2021-03-26 03:48:50,570 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:50,570 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:50,570 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-26 03:48:50,571 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 124 flow [2021-03-26 03:48:50,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:50,572 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:50,572 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:50,572 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 03:48:50,572 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:50,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:50,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1781566773, now seen corresponding path program 1 times [2021-03-26 03:48:50,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:50,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269693492] [2021-03-26 03:48:50,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:50,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:50,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:50,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:50,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:50,737 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:50,740 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:50,774 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 03:48:50,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:48:50,824 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size [2021-03-26 03:48:50,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:48:50,871 INFO L142 QuantifierPusher]: treesize reduction 18, result has 72.3 percent of original size [2021-03-26 03:48:50,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:48:50,930 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.3 percent of original size [2021-03-26 03:48:50,935 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 03:48:51,009 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:48:51,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:48:51,067 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:48:51,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:48:51,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:51,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269693492] [2021-03-26 03:48:51,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:51,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:48:51,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127879025] [2021-03-26 03:48:51,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:48:51,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:51,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:48:51,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:48:51,112 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:48:51,113 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 124 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:51,113 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:51,114 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:48:51,114 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:51,515 INFO L129 PetriNetUnfolder]: 2489/3679 cut-off events. [2021-03-26 03:48:51,516 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 03:48:51,530 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6779 conditions, 3679 events. 2489/3679 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 19529 event pairs, 769 based on Foata normal form. 1/3495 useless extension candidates. Maximal degree in co-relation 6771. Up to 1153 conditions per place. [2021-03-26 03:48:51,553 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 44 selfloop transitions, 8 changer transitions 1/85 dead transitions. [2021-03-26 03:48:51,553 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 85 transitions, 316 flow [2021-03-26 03:48:51,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:48:51,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:48:51,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:48:51,557 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:48:51,557 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:48:51,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:48:51,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:51,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:48:51,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:51,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:51,564 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:51,564 INFO L185 Difference]: Start difference. First operand has 46 places, 42 transitions, 124 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:48:51,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 85 transitions, 316 flow [2021-03-26 03:48:51,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 85 transitions, 315 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:51,568 INFO L241 Difference]: Finished difference. Result has 64 places, 49 transitions, 186 flow [2021-03-26 03:48:51,568 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=186, PETRI_PLACES=64, PETRI_TRANSITIONS=49} [2021-03-26 03:48:51,568 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 8 predicate places. [2021-03-26 03:48:51,568 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:51,568 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 49 transitions, 186 flow [2021-03-26 03:48:51,568 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 49 transitions, 186 flow [2021-03-26 03:48:51,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 49 transitions, 186 flow [2021-03-26 03:48:51,585 INFO L129 PetriNetUnfolder]: 63/219 cut-off events. [2021-03-26 03:48:51,585 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 03:48:51,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 219 events. 63/219 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1054 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 276. Up to 51 conditions per place. [2021-03-26 03:48:51,587 INFO L142 LiptonReduction]: Number of co-enabled transitions 570 [2021-03-26 03:48:51,589 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:51,589 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:51,589 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-26 03:48:51,591 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 49 transitions, 186 flow [2021-03-26 03:48:51,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:51,592 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:51,592 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:51,592 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 03:48:51,592 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:51,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:51,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1214353307, now seen corresponding path program 2 times [2021-03-26 03:48:51,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:51,593 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569311278] [2021-03-26 03:48:51,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:51,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:51,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:51,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:51,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:51,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:51,678 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:51,687 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:51,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:51,705 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:51,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:51,730 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:51,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:51,768 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:48:51,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:48:51,806 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 03:48:51,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 03:48:51,847 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 03:48:51,848 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 03:48:51,908 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:48:51,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:48:51,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:51,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569311278] [2021-03-26 03:48:51,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:51,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:48:51,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18666357] [2021-03-26 03:48:51,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:48:51,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:51,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:48:51,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:48:51,960 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:48:51,961 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 49 transitions, 186 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:51,961 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:51,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:48:51,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:52,568 INFO L129 PetriNetUnfolder]: 3902/6999 cut-off events. [2021-03-26 03:48:52,568 INFO L130 PetriNetUnfolder]: For 5362/5416 co-relation queries the response was YES. [2021-03-26 03:48:52,611 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15574 conditions, 6999 events. 3902/6999 cut-off events. For 5362/5416 co-relation queries the response was YES. Maximal size of possible extension queue 502. Compared 55119 event pairs, 963 based on Foata normal form. 1/6764 useless extension candidates. Maximal degree in co-relation 15557. Up to 1551 conditions per place. [2021-03-26 03:48:52,652 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 68 selfloop transitions, 15 changer transitions 1/116 dead transitions. [2021-03-26 03:48:52,653 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 116 transitions, 678 flow [2021-03-26 03:48:52,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:48:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:48:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:48:52,656 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:48:52,656 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:48:52,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:48:52,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:52,657 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:48:52,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:52,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:52,661 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:52,662 INFO L185 Difference]: Start difference. First operand has 63 places, 49 transitions, 186 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:48:52,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 116 transitions, 678 flow [2021-03-26 03:48:52,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 116 transitions, 653 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-03-26 03:48:52,670 INFO L241 Difference]: Finished difference. Result has 80 places, 63 transitions, 340 flow [2021-03-26 03:48:52,670 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=340, PETRI_PLACES=80, PETRI_TRANSITIONS=63} [2021-03-26 03:48:52,670 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 24 predicate places. [2021-03-26 03:48:52,670 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:52,670 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 63 transitions, 340 flow [2021-03-26 03:48:52,671 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 63 transitions, 340 flow [2021-03-26 03:48:52,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 63 transitions, 340 flow [2021-03-26 03:48:52,717 INFO L129 PetriNetUnfolder]: 197/687 cut-off events. [2021-03-26 03:48:52,717 INFO L130 PetriNetUnfolder]: For 164/185 co-relation queries the response was YES. [2021-03-26 03:48:52,720 INFO L84 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 687 events. 197/687 cut-off events. For 164/185 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 5254 event pairs, 0 based on Foata normal form. 0/602 useless extension candidates. Maximal degree in co-relation 904. Up to 163 conditions per place. [2021-03-26 03:48:52,725 INFO L142 LiptonReduction]: Number of co-enabled transitions 982 [2021-03-26 03:48:52,728 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:52,728 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:52,728 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 58 [2021-03-26 03:48:52,729 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 63 transitions, 340 flow [2021-03-26 03:48:52,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:52,730 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:52,730 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:52,730 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 03:48:52,730 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:52,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:52,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1481638487, now seen corresponding path program 3 times [2021-03-26 03:48:52,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:52,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537597864] [2021-03-26 03:48:52,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:52,760 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:52,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:52,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:52,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:52,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:52,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:52,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:52,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:52,785 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:52,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:52,803 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:48:52,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:48:52,825 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:48:52,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:48:52,858 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-26 03:48:52,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 03:48:52,895 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:48:52,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:48:52,940 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:48:52,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:48:52,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:52,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537597864] [2021-03-26 03:48:52,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:52,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:48:52,979 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893289471] [2021-03-26 03:48:52,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:48:52,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:52,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:48:52,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:48:52,981 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:48:52,982 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 63 transitions, 340 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:52,982 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:52,982 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:48:52,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:53,701 INFO L129 PetriNetUnfolder]: 4028/7108 cut-off events. [2021-03-26 03:48:53,701 INFO L130 PetriNetUnfolder]: For 15658/16241 co-relation queries the response was YES. [2021-03-26 03:48:53,755 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21517 conditions, 7108 events. 4028/7108 cut-off events. For 15658/16241 co-relation queries the response was YES. Maximal size of possible extension queue 496. Compared 53919 event pairs, 970 based on Foata normal form. 1/6852 useless extension candidates. Maximal degree in co-relation 21492. Up to 1968 conditions per place. [2021-03-26 03:48:53,794 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 72 selfloop transitions, 19 changer transitions 0/123 dead transitions. [2021-03-26 03:48:53,794 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 123 transitions, 910 flow [2021-03-26 03:48:53,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:48:53,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:48:53,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:48:53,797 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:48:53,797 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:48:53,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:48:53,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:53,798 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:48:53,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:53,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:53,803 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:53,803 INFO L185 Difference]: Start difference. First operand has 80 places, 63 transitions, 340 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:48:53,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 123 transitions, 910 flow [2021-03-26 03:48:53,844 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 123 transitions, 893 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:53,846 INFO L241 Difference]: Finished difference. Result has 98 places, 77 transitions, 533 flow [2021-03-26 03:48:53,846 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=533, PETRI_PLACES=98, PETRI_TRANSITIONS=77} [2021-03-26 03:48:53,846 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 42 predicate places. [2021-03-26 03:48:53,846 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:53,846 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 77 transitions, 533 flow [2021-03-26 03:48:53,846 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 77 transitions, 533 flow [2021-03-26 03:48:53,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 77 transitions, 533 flow [2021-03-26 03:48:53,910 INFO L129 PetriNetUnfolder]: 309/1030 cut-off events. [2021-03-26 03:48:53,910 INFO L130 PetriNetUnfolder]: For 467/508 co-relation queries the response was YES. [2021-03-26 03:48:53,915 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1493 conditions, 1030 events. 309/1030 cut-off events. For 467/508 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 8659 event pairs, 0 based on Foata normal form. 0/903 useless extension candidates. Maximal degree in co-relation 1460. Up to 255 conditions per place. [2021-03-26 03:48:53,923 INFO L142 LiptonReduction]: Number of co-enabled transitions 1354 [2021-03-26 03:48:53,927 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:53,927 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:53,928 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 81 [2021-03-26 03:48:53,928 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 77 transitions, 533 flow [2021-03-26 03:48:53,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:53,929 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:53,929 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:53,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 03:48:53,929 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:53,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:53,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1170408855, now seen corresponding path program 4 times [2021-03-26 03:48:53,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:53,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461942629] [2021-03-26 03:48:53,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:53,970 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:53,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:53,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:53,971 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:53,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:53,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:53,988 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:53,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:54,002 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:54,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:54,020 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:54,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:54,045 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:48:54,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:48:54,084 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 03:48:54,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 03:48:54,123 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 03:48:54,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 03:48:54,172 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:48:54,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:48:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:54,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461942629] [2021-03-26 03:48:54,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:54,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:48:54,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523382565] [2021-03-26 03:48:54,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:48:54,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:54,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:48:54,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:48:54,220 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:48:54,221 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 77 transitions, 533 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:54,221 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:54,221 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:48:54,221 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:55,575 INFO L129 PetriNetUnfolder]: 6191/12223 cut-off events. [2021-03-26 03:48:55,575 INFO L130 PetriNetUnfolder]: For 42213/43203 co-relation queries the response was YES. [2021-03-26 03:48:55,641 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38593 conditions, 12223 events. 6191/12223 cut-off events. For 42213/43203 co-relation queries the response was YES. Maximal size of possible extension queue 1017. Compared 116549 event pairs, 1221 based on Foata normal form. 3/11749 useless extension candidates. Maximal degree in co-relation 38559. Up to 2507 conditions per place. [2021-03-26 03:48:55,730 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 95 selfloop transitions, 38 changer transitions 0/165 dead transitions. [2021-03-26 03:48:55,730 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 165 transitions, 1599 flow [2021-03-26 03:48:55,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:48:55,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:48:55,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:48:55,733 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:48:55,734 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:48:55,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:48:55,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:55,734 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:48:55,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:55,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:55,739 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:55,739 INFO L185 Difference]: Start difference. First operand has 98 places, 77 transitions, 533 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:48:55,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 165 transitions, 1599 flow [2021-03-26 03:48:55,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 165 transitions, 1509 flow, removed 36 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:55,836 INFO L241 Difference]: Finished difference. Result has 116 places, 103 transitions, 935 flow [2021-03-26 03:48:55,837 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=503, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=935, PETRI_PLACES=116, PETRI_TRANSITIONS=103} [2021-03-26 03:48:55,837 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 60 predicate places. [2021-03-26 03:48:55,837 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:55,837 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 116 places, 103 transitions, 935 flow [2021-03-26 03:48:55,838 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 116 places, 103 transitions, 935 flow [2021-03-26 03:48:55,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 116 places, 103 transitions, 935 flow [2021-03-26 03:48:56,051 INFO L129 PetriNetUnfolder]: 673/2204 cut-off events. [2021-03-26 03:48:56,051 INFO L130 PetriNetUnfolder]: For 1922/2043 co-relation queries the response was YES. [2021-03-26 03:48:56,060 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3487 conditions, 2204 events. 673/2204 cut-off events. For 1922/2043 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 21967 event pairs, 0 based on Foata normal form. 2/1939 useless extension candidates. Maximal degree in co-relation 3445. Up to 558 conditions per place. [2021-03-26 03:48:56,078 INFO L142 LiptonReduction]: Number of co-enabled transitions 2038 [2021-03-26 03:48:56,085 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:56,086 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:56,086 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 249 [2021-03-26 03:48:56,086 INFO L480 AbstractCegarLoop]: Abstraction has has 116 places, 103 transitions, 935 flow [2021-03-26 03:48:56,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:56,087 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:56,087 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:56,087 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 03:48:56,088 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:56,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:56,088 INFO L82 PathProgramCache]: Analyzing trace with hash -23664305, now seen corresponding path program 5 times [2021-03-26 03:48:56,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:56,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604562670] [2021-03-26 03:48:56,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:56,116 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:56,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:56,117 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:56,118 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:56,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:56,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:56,133 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:48:56,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:48:56,147 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:48:56,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:48:56,166 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:48:56,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:48:56,191 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:48:56,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:48:56,222 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 03:48:56,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 03:48:56,290 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:48:56,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:48:56,342 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:48:56,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:48:56,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:56,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604562670] [2021-03-26 03:48:56,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:56,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:48:56,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593163198] [2021-03-26 03:48:56,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:48:56,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:56,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:48:56,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:48:56,390 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:48:56,391 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 103 transitions, 935 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:56,391 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:56,391 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:48:56,391 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:48:58,490 INFO L129 PetriNetUnfolder]: 8395/16987 cut-off events. [2021-03-26 03:48:58,490 INFO L130 PetriNetUnfolder]: For 89519/91211 co-relation queries the response was YES. [2021-03-26 03:48:58,619 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61448 conditions, 16987 events. 8395/16987 cut-off events. For 89519/91211 co-relation queries the response was YES. Maximal size of possible extension queue 1519. Compared 174010 event pairs, 1388 based on Foata normal form. 3/16377 useless extension candidates. Maximal degree in co-relation 61405. Up to 3271 conditions per place. [2021-03-26 03:48:58,702 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 95 selfloop transitions, 61 changer transitions 0/188 dead transitions. [2021-03-26 03:48:58,702 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 188 transitions, 2189 flow [2021-03-26 03:48:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:48:58,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:48:58,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:48:58,705 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:48:58,705 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:48:58,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:48:58,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:48:58,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:48:58,708 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:58,710 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:58,711 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:58,711 INFO L185 Difference]: Start difference. First operand has 116 places, 103 transitions, 935 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:48:58,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 188 transitions, 2189 flow [2021-03-26 03:48:59,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 188 transitions, 2115 flow, removed 25 selfloop flow, removed 1 redundant places. [2021-03-26 03:48:59,114 INFO L241 Difference]: Finished difference. Result has 134 places, 129 transitions, 1489 flow [2021-03-26 03:48:59,115 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=909, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1489, PETRI_PLACES=134, PETRI_TRANSITIONS=129} [2021-03-26 03:48:59,115 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 78 predicate places. [2021-03-26 03:48:59,115 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:48:59,115 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 129 transitions, 1489 flow [2021-03-26 03:48:59,116 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 129 transitions, 1489 flow [2021-03-26 03:48:59,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 134 places, 129 transitions, 1489 flow [2021-03-26 03:48:59,447 INFO L129 PetriNetUnfolder]: 1189/3815 cut-off events. [2021-03-26 03:48:59,447 INFO L130 PetriNetUnfolder]: For 5532/5801 co-relation queries the response was YES. [2021-03-26 03:48:59,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6611 conditions, 3815 events. 1189/3815 cut-off events. For 5532/5801 co-relation queries the response was YES. Maximal size of possible extension queue 595. Compared 42025 event pairs, 0 based on Foata normal form. 10/3364 useless extension candidates. Maximal degree in co-relation 6560. Up to 989 conditions per place. [2021-03-26 03:48:59,517 INFO L142 LiptonReduction]: Number of co-enabled transitions 2716 [2021-03-26 03:48:59,526 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:48:59,527 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:48:59,527 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 412 [2021-03-26 03:48:59,528 INFO L480 AbstractCegarLoop]: Abstraction has has 134 places, 129 transitions, 1489 flow [2021-03-26 03:48:59,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:59,528 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:48:59,528 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:48:59,528 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 03:48:59,529 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:48:59,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:48:59,529 INFO L82 PathProgramCache]: Analyzing trace with hash 338622035, now seen corresponding path program 6 times [2021-03-26 03:48:59,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:48:59,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363202612] [2021-03-26 03:48:59,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:48:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:48:59,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:59,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:48:59,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:59,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:48:59,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:59,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:48:59,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:48:59,580 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:48:59,593 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:48:59,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:48:59,612 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:48:59,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:48:59,671 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:48:59,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:48:59,706 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 03:48:59,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 03:48:59,748 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 03:48:59,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 03:48:59,798 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:48:59,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:48:59,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:48:59,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363202612] [2021-03-26 03:48:59,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:48:59,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:48:59,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679307813] [2021-03-26 03:48:59,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:48:59,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:48:59,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:48:59,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:48:59,846 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:48:59,847 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 129 transitions, 1489 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:48:59,847 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:48:59,847 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:48:59,847 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:03,103 INFO L129 PetriNetUnfolder]: 12630/27067 cut-off events. [2021-03-26 03:49:03,103 INFO L130 PetriNetUnfolder]: For 171427/173347 co-relation queries the response was YES. [2021-03-26 03:49:03,559 INFO L84 FinitePrefix]: Finished finitePrefix Result has 97903 conditions, 27067 events. 12630/27067 cut-off events. For 171427/173347 co-relation queries the response was YES. Maximal size of possible extension queue 2754. Compared 313330 event pairs, 2625 based on Foata normal form. 2/25710 useless extension candidates. Maximal degree in co-relation 97851. Up to 4942 conditions per place. [2021-03-26 03:49:03,687 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 238 selfloop transitions, 56 changer transitions 0/326 dead transitions. [2021-03-26 03:49:03,687 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 326 transitions, 4833 flow [2021-03-26 03:49:03,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:49:03,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:49:03,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:49:03,690 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:49:03,690 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:49:03,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:49:03,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:03,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:49:03,694 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:03,696 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:03,696 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:03,696 INFO L185 Difference]: Start difference. First operand has 134 places, 129 transitions, 1489 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:49:03,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 326 transitions, 4833 flow [2021-03-26 03:49:04,445 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 326 transitions, 4667 flow, removed 73 selfloop flow, removed 1 redundant places. [2021-03-26 03:49:04,449 INFO L241 Difference]: Finished difference. Result has 152 places, 172 transitions, 2328 flow [2021-03-26 03:49:04,449 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=1429, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2328, PETRI_PLACES=152, PETRI_TRANSITIONS=172} [2021-03-26 03:49:04,449 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 96 predicate places. [2021-03-26 03:49:04,449 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:04,449 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 172 transitions, 2328 flow [2021-03-26 03:49:04,449 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 172 transitions, 2328 flow [2021-03-26 03:49:04,450 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 172 transitions, 2328 flow [2021-03-26 03:49:05,182 INFO L129 PetriNetUnfolder]: 2291/7581 cut-off events. [2021-03-26 03:49:05,182 INFO L130 PetriNetUnfolder]: For 16250/16785 co-relation queries the response was YES. [2021-03-26 03:49:05,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14108 conditions, 7581 events. 2291/7581 cut-off events. For 16250/16785 co-relation queries the response was YES. Maximal size of possible extension queue 1192. Compared 95407 event pairs, 0 based on Foata normal form. 22/6710 useless extension candidates. Maximal degree in co-relation 14048. Up to 1980 conditions per place. [2021-03-26 03:49:05,327 INFO L142 LiptonReduction]: Number of co-enabled transitions 3642 [2021-03-26 03:49:05,339 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:05,339 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:05,339 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 890 [2021-03-26 03:49:05,340 INFO L480 AbstractCegarLoop]: Abstraction has has 152 places, 172 transitions, 2328 flow [2021-03-26 03:49:05,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:05,341 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:05,341 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:05,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 03:49:05,341 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:05,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:05,341 INFO L82 PathProgramCache]: Analyzing trace with hash 715675419, now seen corresponding path program 1 times [2021-03-26 03:49:05,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:05,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27170293] [2021-03-26 03:49:05,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:05,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:05,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:05,350 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:05,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 03:49:05,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:05,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:05,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:05,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27170293] [2021-03-26 03:49:05,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:05,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 03:49:05,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863262465] [2021-03-26 03:49:05,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 03:49:05,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:05,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 03:49:05,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 03:49:05,355 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 129 [2021-03-26 03:49:05,355 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 172 transitions, 2328 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:05,355 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:05,355 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 129 [2021-03-26 03:49:05,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:05,877 INFO L129 PetriNetUnfolder]: 0/3267 cut-off events. [2021-03-26 03:49:05,877 INFO L130 PetriNetUnfolder]: For 17139/17678 co-relation queries the response was YES. [2021-03-26 03:49:05,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10063 conditions, 3267 events. 0/3267 cut-off events. For 17139/17678 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 49452 event pairs, 0 based on Foata normal form. 623/3505 useless extension candidates. Maximal degree in co-relation 0. Up to 326 conditions per place. [2021-03-26 03:49:05,882 INFO L132 encePairwiseOnDemand]: 124/129 looper letters, 1 selfloop transitions, 1 changer transitions 8/158 dead transitions. [2021-03-26 03:49:05,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 158 transitions, 2290 flow [2021-03-26 03:49:05,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 03:49:05,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 03:49:05,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2021-03-26 03:49:05,884 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.937984496124031 [2021-03-26 03:49:05,884 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 363 transitions. [2021-03-26 03:49:05,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 363 transitions. [2021-03-26 03:49:05,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:05,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 363 transitions. [2021-03-26 03:49:05,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:05,886 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:05,887 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:05,887 INFO L185 Difference]: Start difference. First operand has 152 places, 172 transitions, 2328 flow. Second operand 3 states and 363 transitions. [2021-03-26 03:49:05,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 158 transitions, 2290 flow [2021-03-26 03:49:05,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 158 transitions, 2201 flow, removed 38 selfloop flow, removed 1 redundant places. [2021-03-26 03:49:05,978 INFO L241 Difference]: Finished difference. Result has 153 places, 150 transitions, 2107 flow [2021-03-26 03:49:05,978 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=2197, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2107, PETRI_PLACES=153, PETRI_TRANSITIONS=150} [2021-03-26 03:49:05,979 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 97 predicate places. [2021-03-26 03:49:05,979 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:05,979 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 150 transitions, 2107 flow [2021-03-26 03:49:05,979 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 150 transitions, 2107 flow [2021-03-26 03:49:05,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 148 places, 150 transitions, 2107 flow [2021-03-26 03:49:06,382 INFO L129 PetriNetUnfolder]: 0/3244 cut-off events. [2021-03-26 03:49:06,383 INFO L130 PetriNetUnfolder]: For 14614/15138 co-relation queries the response was YES. [2021-03-26 03:49:06,383 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9487 conditions, 3244 events. 0/3244 cut-off events. For 14614/15138 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 49132 event pairs, 0 based on Foata normal form. 21/2895 useless extension candidates. Maximal degree in co-relation 0. Up to 322 conditions per place. [2021-03-26 03:49:06,416 INFO L142 LiptonReduction]: Number of co-enabled transitions 1560 [2021-03-26 03:49:06,425 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:06,425 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:06,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 446 [2021-03-26 03:49:06,426 INFO L480 AbstractCegarLoop]: Abstraction has has 148 places, 150 transitions, 2107 flow [2021-03-26 03:49:06,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:06,426 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:06,426 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:06,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 03:49:06,427 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:06,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:06,427 INFO L82 PathProgramCache]: Analyzing trace with hash 247179585, now seen corresponding path program 7 times [2021-03-26 03:49:06,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:06,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405814731] [2021-03-26 03:49:06,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:06,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:06,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:06,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:06,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:06,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:06,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:06,475 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:49:06,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:49:06,490 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:06,491 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:06,510 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:49:06,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:49:06,536 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:49:06,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:49:06,568 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-26 03:49:06,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 03:49:06,612 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 03:49:06,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 03:49:06,664 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:49:06,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:49:06,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:06,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405814731] [2021-03-26 03:49:06,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:06,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:49:06,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169984216] [2021-03-26 03:49:06,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:49:06,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:06,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:49:06,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:49:06,707 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:49:06,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 150 transitions, 2107 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:06,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:06,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:49:06,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:09,280 INFO L129 PetriNetUnfolder]: 7678/19844 cut-off events. [2021-03-26 03:49:09,280 INFO L130 PetriNetUnfolder]: For 213944/216577 co-relation queries the response was YES. [2021-03-26 03:49:09,646 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104451 conditions, 19844 events. 7678/19844 cut-off events. For 213944/216577 co-relation queries the response was YES. Maximal size of possible extension queue 2088. Compared 243565 event pairs, 2748 based on Foata normal form. 4/19491 useless extension candidates. Maximal degree in co-relation 104390. Up to 6897 conditions per place. [2021-03-26 03:49:09,735 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 170 selfloop transitions, 63 changer transitions 1/252 dead transitions. [2021-03-26 03:49:09,735 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 252 transitions, 3839 flow [2021-03-26 03:49:09,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:49:09,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:49:09,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:49:09,738 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:49:09,738 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:49:09,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:49:09,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:09,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:49:09,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:09,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:09,745 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:09,745 INFO L185 Difference]: Start difference. First operand has 148 places, 150 transitions, 2107 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:49:09,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 252 transitions, 3839 flow [2021-03-26 03:49:10,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 252 transitions, 3701 flow, removed 67 selfloop flow, removed 9 redundant places. [2021-03-26 03:49:10,773 INFO L241 Difference]: Finished difference. Result has 158 places, 182 transitions, 2775 flow [2021-03-26 03:49:10,774 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=2087, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2775, PETRI_PLACES=158, PETRI_TRANSITIONS=182} [2021-03-26 03:49:10,774 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 102 predicate places. [2021-03-26 03:49:10,774 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:10,774 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 158 places, 182 transitions, 2775 flow [2021-03-26 03:49:10,774 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 158 places, 182 transitions, 2775 flow [2021-03-26 03:49:10,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 157 places, 182 transitions, 2775 flow [2021-03-26 03:49:11,319 INFO L129 PetriNetUnfolder]: 0/4423 cut-off events. [2021-03-26 03:49:11,319 INFO L130 PetriNetUnfolder]: For 19328/20165 co-relation queries the response was YES. [2021-03-26 03:49:11,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11703 conditions, 4423 events. 0/4423 cut-off events. For 19328/20165 co-relation queries the response was YES. Maximal size of possible extension queue 435. Compared 71266 event pairs, 0 based on Foata normal form. 25/3932 useless extension candidates. Maximal degree in co-relation 0. Up to 433 conditions per place. [2021-03-26 03:49:11,369 INFO L142 LiptonReduction]: Number of co-enabled transitions 1924 [2021-03-26 03:49:11,379 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:11,379 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:11,379 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 605 [2021-03-26 03:49:11,380 INFO L480 AbstractCegarLoop]: Abstraction has has 157 places, 182 transitions, 2775 flow [2021-03-26 03:49:11,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:11,381 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:11,381 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:11,381 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 03:49:11,382 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:11,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:11,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1738243283, now seen corresponding path program 8 times [2021-03-26 03:49:11,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:11,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332695753] [2021-03-26 03:49:11,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:11,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:11,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:11,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:11,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:11,448 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:11,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:11,458 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:11,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:11,480 INFO L142 QuantifierPusher]: treesize reduction 27, result has 53.4 percent of original size [2021-03-26 03:49:11,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 03:49:11,500 INFO L142 QuantifierPusher]: treesize reduction 36, result has 52.0 percent of original size [2021-03-26 03:49:11,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 03:49:11,529 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:49:11,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:49:11,563 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 03:49:11,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 03:49:11,604 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 03:49:11,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 03:49:11,654 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:49:11,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:49:11,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:11,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332695753] [2021-03-26 03:49:11,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:11,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:49:11,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882335785] [2021-03-26 03:49:11,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:49:11,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:11,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:49:11,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:49:11,711 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:49:11,712 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 182 transitions, 2775 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:11,712 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:11,712 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:49:11,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:16,211 INFO L129 PetriNetUnfolder]: 9339/29663 cut-off events. [2021-03-26 03:49:16,212 INFO L130 PetriNetUnfolder]: For 355660/358377 co-relation queries the response was YES. [2021-03-26 03:49:16,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150418 conditions, 29663 events. 9339/29663 cut-off events. For 355660/358377 co-relation queries the response was YES. Maximal size of possible extension queue 3042. Compared 437550 event pairs, 2961 based on Foata normal form. 6/28546 useless extension candidates. Maximal degree in co-relation 150356. Up to 7664 conditions per place. [2021-03-26 03:49:16,861 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 257 selfloop transitions, 123 changer transitions 2/400 dead transitions. [2021-03-26 03:49:16,861 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 400 transitions, 7225 flow [2021-03-26 03:49:16,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:49:16,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:49:16,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:49:16,865 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:49:16,865 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:49:16,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:49:16,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:16,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:49:16,869 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:16,871 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:16,871 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:16,871 INFO L185 Difference]: Start difference. First operand has 157 places, 182 transitions, 2775 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:49:16,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 400 transitions, 7225 flow [2021-03-26 03:49:18,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 400 transitions, 6993 flow, removed 62 selfloop flow, removed 2 redundant places. [2021-03-26 03:49:18,350 INFO L241 Difference]: Finished difference. Result has 174 places, 263 transitions, 4661 flow [2021-03-26 03:49:18,351 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=2673, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=42, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=4661, PETRI_PLACES=174, PETRI_TRANSITIONS=263} [2021-03-26 03:49:18,351 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 118 predicate places. [2021-03-26 03:49:18,351 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:18,351 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 263 transitions, 4661 flow [2021-03-26 03:49:18,351 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 263 transitions, 4661 flow [2021-03-26 03:49:18,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 173 places, 263 transitions, 4661 flow [2021-03-26 03:49:19,575 INFO L129 PetriNetUnfolder]: 0/8355 cut-off events. [2021-03-26 03:49:19,576 INFO L130 PetriNetUnfolder]: For 54295/56146 co-relation queries the response was YES. [2021-03-26 03:49:19,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24394 conditions, 8355 events. 0/8355 cut-off events. For 54295/56146 co-relation queries the response was YES. Maximal size of possible extension queue 911. Compared 150077 event pairs, 0 based on Foata normal form. 5/7626 useless extension candidates. Maximal degree in co-relation 0. Up to 786 conditions per place. [2021-03-26 03:49:19,681 INFO L142 LiptonReduction]: Number of co-enabled transitions 2594 [2021-03-26 03:49:19,693 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:19,693 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:19,694 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1343 [2021-03-26 03:49:19,694 INFO L480 AbstractCegarLoop]: Abstraction has has 173 places, 263 transitions, 4661 flow [2021-03-26 03:49:19,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:19,695 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:19,695 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:19,695 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 03:49:19,695 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:19,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:19,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1114547593, now seen corresponding path program 9 times [2021-03-26 03:49:19,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:19,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079698944] [2021-03-26 03:49:19,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:19,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:19,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:19,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:19,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:19,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:19,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:19,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:19,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:49:19,812 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:19,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:19,835 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:49:19,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:49:19,858 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.5 percent of original size [2021-03-26 03:49:19,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:19,912 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 03:49:19,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 03:49:19,974 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:49:19,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:49:20,029 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:49:20,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:49:20,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:20,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079698944] [2021-03-26 03:49:20,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:20,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:49:20,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110838515] [2021-03-26 03:49:20,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:49:20,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:20,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:49:20,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:49:20,075 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:49:20,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 263 transitions, 4661 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:20,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:20,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:49:20,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:29,667 INFO L129 PetriNetUnfolder]: 11632/39445 cut-off events. [2021-03-26 03:49:29,667 INFO L130 PetriNetUnfolder]: For 609931/614706 co-relation queries the response was YES. [2021-03-26 03:49:30,149 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216250 conditions, 39445 events. 11632/39445 cut-off events. For 609931/614706 co-relation queries the response was YES. Maximal size of possible extension queue 4451. Compared 620378 event pairs, 3858 based on Foata normal form. 3/38259 useless extension candidates. Maximal degree in co-relation 216180. Up to 10973 conditions per place. [2021-03-26 03:49:30,293 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 310 selfloop transitions, 150 changer transitions 1/479 dead transitions. [2021-03-26 03:49:30,293 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 479 transitions, 9397 flow [2021-03-26 03:49:30,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:49:30,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:49:30,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:49:30,295 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:49:30,296 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:49:30,296 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:49:30,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:30,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:49:30,298 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:30,300 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:30,300 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:30,300 INFO L185 Difference]: Start difference. First operand has 173 places, 263 transitions, 4661 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:49:30,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 479 transitions, 9397 flow [2021-03-26 03:49:32,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 479 transitions, 9238 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-03-26 03:49:32,357 INFO L241 Difference]: Finished difference. Result has 189 places, 333 transitions, 6637 flow [2021-03-26 03:49:32,357 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=4570, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=6637, PETRI_PLACES=189, PETRI_TRANSITIONS=333} [2021-03-26 03:49:32,357 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 133 predicate places. [2021-03-26 03:49:32,357 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:32,358 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 189 places, 333 transitions, 6637 flow [2021-03-26 03:49:32,358 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 189 places, 333 transitions, 6637 flow [2021-03-26 03:49:32,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 188 places, 333 transitions, 6637 flow [2021-03-26 03:49:34,880 INFO L129 PetriNetUnfolder]: 0/12370 cut-off events. [2021-03-26 03:49:34,880 INFO L130 PetriNetUnfolder]: For 103972/107124 co-relation queries the response was YES. [2021-03-26 03:49:34,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38833 conditions, 12370 events. 0/12370 cut-off events. For 103972/107124 co-relation queries the response was YES. Maximal size of possible extension queue 1364. Compared 235511 event pairs, 0 based on Foata normal form. 19/11430 useless extension candidates. Maximal degree in co-relation 0. Up to 1150 conditions per place. [2021-03-26 03:49:34,985 INFO L142 LiptonReduction]: Number of co-enabled transitions 3048 [2021-03-26 03:49:35,004 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:35,004 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:35,004 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2647 [2021-03-26 03:49:35,005 INFO L480 AbstractCegarLoop]: Abstraction has has 188 places, 333 transitions, 6637 flow [2021-03-26 03:49:35,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:35,005 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:35,005 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:35,006 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 03:49:35,006 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:35,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:35,006 INFO L82 PathProgramCache]: Analyzing trace with hash 1885401123, now seen corresponding path program 10 times [2021-03-26 03:49:35,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:35,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220529519] [2021-03-26 03:49:35,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:35,034 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:35,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:35,035 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:35,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:35,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:35,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:35,050 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:49:35,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:49:35,062 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:49:35,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:49:35,079 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 03:49:35,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:49:35,114 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.5 percent of original size [2021-03-26 03:49:35,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:35,159 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 03:49:35,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 03:49:35,206 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:49:35,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:49:35,253 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:49:35,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:49:35,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:35,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220529519] [2021-03-26 03:49:35,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:35,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:49:35,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281684750] [2021-03-26 03:49:35,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:49:35,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:35,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:49:35,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:49:35,300 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:49:35,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 333 transitions, 6637 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:35,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:35,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:49:35,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:49:45,060 INFO L129 PetriNetUnfolder]: 12285/39665 cut-off events. [2021-03-26 03:49:45,060 INFO L130 PetriNetUnfolder]: For 815884/822675 co-relation queries the response was YES. [2021-03-26 03:49:45,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247857 conditions, 39665 events. 12285/39665 cut-off events. For 815884/822675 co-relation queries the response was YES. Maximal size of possible extension queue 4178. Compared 609845 event pairs, 6599 based on Foata normal form. 9/37895 useless extension candidates. Maximal degree in co-relation 247780. Up to 10920 conditions per place. [2021-03-26 03:49:45,780 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 340 selfloop transitions, 187 changer transitions 1/546 dead transitions. [2021-03-26 03:49:45,780 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 546 transitions, 12268 flow [2021-03-26 03:49:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:49:45,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:49:45,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:49:45,946 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:49:45,947 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:49:45,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:49:45,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:49:45,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:49:45,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:45,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:45,950 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:45,950 INFO L185 Difference]: Start difference. First operand has 188 places, 333 transitions, 6637 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:49:45,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 546 transitions, 12268 flow [2021-03-26 03:49:49,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 546 transitions, 11824 flow, removed 181 selfloop flow, removed 2 redundant places. [2021-03-26 03:49:49,626 INFO L241 Difference]: Finished difference. Result has 205 places, 401 transitions, 8817 flow [2021-03-26 03:49:49,627 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=6432, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=119, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=8817, PETRI_PLACES=205, PETRI_TRANSITIONS=401} [2021-03-26 03:49:49,627 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 149 predicate places. [2021-03-26 03:49:49,627 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:49:49,627 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 401 transitions, 8817 flow [2021-03-26 03:49:49,627 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 401 transitions, 8817 flow [2021-03-26 03:49:49,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 204 places, 401 transitions, 8817 flow [2021-03-26 03:49:52,752 INFO L129 PetriNetUnfolder]: 0/13743 cut-off events. [2021-03-26 03:49:52,753 INFO L130 PetriNetUnfolder]: For 153984/158950 co-relation queries the response was YES. [2021-03-26 03:49:52,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46285 conditions, 13743 events. 0/13743 cut-off events. For 153984/158950 co-relation queries the response was YES. Maximal size of possible extension queue 1537. Compared 266349 event pairs, 0 based on Foata normal form. 21/12758 useless extension candidates. Maximal degree in co-relation 0. Up to 1278 conditions per place. [2021-03-26 03:49:52,904 INFO L142 LiptonReduction]: Number of co-enabled transitions 3468 [2021-03-26 03:49:52,928 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:49:52,928 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:49:52,928 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3301 [2021-03-26 03:49:52,929 INFO L480 AbstractCegarLoop]: Abstraction has has 204 places, 401 transitions, 8817 flow [2021-03-26 03:49:52,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:52,929 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:49:52,929 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:49:52,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 03:49:52,929 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:49:52,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:49:52,930 INFO L82 PathProgramCache]: Analyzing trace with hash -775744753, now seen corresponding path program 11 times [2021-03-26 03:49:52,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:49:52,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100011407] [2021-03-26 03:49:52,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:49:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:49:52,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:52,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:49:52,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:52,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:49:52,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:49:52,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:49:53,000 INFO L142 QuantifierPusher]: treesize reduction 18, result has 56.1 percent of original size [2021-03-26 03:49:53,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 03:49:53,020 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:49:53,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:49:53,039 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:49:53,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:49:53,063 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.5 percent of original size [2021-03-26 03:49:53,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:49:53,116 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 03:49:53,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 03:49:53,174 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:49:53,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:49:53,216 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:49:53,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:49:53,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:49:53,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100011407] [2021-03-26 03:49:53,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:49:53,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:49:53,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616906214] [2021-03-26 03:49:53,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:49:53,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:49:53,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:49:53,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:49:53,270 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:49:53,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 401 transitions, 8817 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:49:53,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:49:53,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:49:53,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:05,374 INFO L129 PetriNetUnfolder]: 12610/44436 cut-off events. [2021-03-26 03:50:05,375 INFO L130 PetriNetUnfolder]: For 994965/1005425 co-relation queries the response was YES. [2021-03-26 03:50:06,087 INFO L84 FinitePrefix]: Finished finitePrefix Result has 280417 conditions, 44436 events. 12610/44436 cut-off events. For 994965/1005425 co-relation queries the response was YES. Maximal size of possible extension queue 5074. Compared 721064 event pairs, 5660 based on Foata normal form. 28/43087 useless extension candidates. Maximal degree in co-relation 280332. Up to 12152 conditions per place. [2021-03-26 03:50:06,291 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 262 selfloop transitions, 250 changer transitions 1/531 dead transitions. [2021-03-26 03:50:06,292 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 531 transitions, 12430 flow [2021-03-26 03:50:06,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:50:06,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:50:06,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:50:06,302 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:50:06,302 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:50:06,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:50:06,302 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:06,302 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:50:06,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:06,305 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:06,306 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:06,306 INFO L185 Difference]: Start difference. First operand has 204 places, 401 transitions, 8817 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:50:06,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 531 transitions, 12430 flow [2021-03-26 03:50:10,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 531 transitions, 12066 flow, removed 113 selfloop flow, removed 2 redundant places. [2021-03-26 03:50:10,652 INFO L241 Difference]: Finished difference. Result has 221 places, 462 transitions, 10868 flow [2021-03-26 03:50:10,652 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=8596, PETRI_DIFFERENCE_MINUEND_PLACES=202, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=189, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=10868, PETRI_PLACES=221, PETRI_TRANSITIONS=462} [2021-03-26 03:50:10,653 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 165 predicate places. [2021-03-26 03:50:10,653 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:10,653 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 221 places, 462 transitions, 10868 flow [2021-03-26 03:50:10,653 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 221 places, 462 transitions, 10868 flow [2021-03-26 03:50:10,658 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 220 places, 462 transitions, 10868 flow [2021-03-26 03:50:14,599 INFO L129 PetriNetUnfolder]: 0/14718 cut-off events. [2021-03-26 03:50:14,599 INFO L130 PetriNetUnfolder]: For 198171/205264 co-relation queries the response was YES. [2021-03-26 03:50:14,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52672 conditions, 14718 events. 0/14718 cut-off events. For 198171/205264 co-relation queries the response was YES. Maximal size of possible extension queue 1638. Compared 288679 event pairs, 0 based on Foata normal form. 34/13664 useless extension candidates. Maximal degree in co-relation 0. Up to 1389 conditions per place. [2021-03-26 03:50:14,750 INFO L142 LiptonReduction]: Number of co-enabled transitions 4110 [2021-03-26 03:50:14,782 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:14,782 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:14,782 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4129 [2021-03-26 03:50:14,783 INFO L480 AbstractCegarLoop]: Abstraction has has 220 places, 462 transitions, 10868 flow [2021-03-26 03:50:14,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:14,784 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:14,784 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:14,784 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 03:50:14,784 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:14,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:14,784 INFO L82 PathProgramCache]: Analyzing trace with hash -853116425, now seen corresponding path program 12 times [2021-03-26 03:50:14,784 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:14,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536685904] [2021-03-26 03:50:14,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:14,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:14,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:14,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:14,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:14,816 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:50:14,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:50:14,826 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:50:14,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:50:14,838 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:50:14,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:50:14,852 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 03:50:14,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:14,888 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.5 percent of original size [2021-03-26 03:50:14,896 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:50:14,933 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 03:50:14,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 03:50:14,986 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:50:14,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:50:15,023 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:50:15,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:50:15,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:15,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536685904] [2021-03-26 03:50:15,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:15,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:50:15,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885637924] [2021-03-26 03:50:15,058 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:50:15,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:15,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:50:15,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:50:15,060 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:50:15,060 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 462 transitions, 10868 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:15,061 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:15,061 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:50:15,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:50:30,135 INFO L129 PetriNetUnfolder]: 13738/45275 cut-off events. [2021-03-26 03:50:30,136 INFO L130 PetriNetUnfolder]: For 1301207/1318383 co-relation queries the response was YES. [2021-03-26 03:50:30,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 326158 conditions, 45275 events. 13738/45275 cut-off events. For 1301207/1318383 co-relation queries the response was YES. Maximal size of possible extension queue 5008. Compared 714042 event pairs, 5983 based on Foata normal form. 22/43972 useless extension candidates. Maximal degree in co-relation 326065. Up to 14765 conditions per place. [2021-03-26 03:50:31,076 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 280 selfloop transitions, 293 changer transitions 1/592 dead transitions. [2021-03-26 03:50:31,076 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 230 places, 592 transitions, 15032 flow [2021-03-26 03:50:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:50:31,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:50:31,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:50:31,078 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:50:31,078 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:50:31,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:50:31,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:50:31,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:50:31,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:31,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:31,081 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:31,081 INFO L185 Difference]: Start difference. First operand has 220 places, 462 transitions, 10868 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:50:31,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 230 places, 592 transitions, 15032 flow [2021-03-26 03:50:38,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 592 transitions, 14656 flow, removed 90 selfloop flow, removed 2 redundant places. [2021-03-26 03:50:38,843 INFO L241 Difference]: Finished difference. Result has 237 places, 530 transitions, 13590 flow [2021-03-26 03:50:38,845 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=10562, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=462, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=225, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=13590, PETRI_PLACES=237, PETRI_TRANSITIONS=530} [2021-03-26 03:50:38,846 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 181 predicate places. [2021-03-26 03:50:38,846 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:50:38,846 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 237 places, 530 transitions, 13590 flow [2021-03-26 03:50:38,846 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 237 places, 530 transitions, 13590 flow [2021-03-26 03:50:38,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 236 places, 530 transitions, 13590 flow [2021-03-26 03:50:43,461 INFO L129 PetriNetUnfolder]: 0/15781 cut-off events. [2021-03-26 03:50:43,461 INFO L130 PetriNetUnfolder]: For 259634/271605 co-relation queries the response was YES. [2021-03-26 03:50:43,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58838 conditions, 15781 events. 0/15781 cut-off events. For 259634/271605 co-relation queries the response was YES. Maximal size of possible extension queue 1728. Compared 312841 event pairs, 0 based on Foata normal form. 61/14704 useless extension candidates. Maximal degree in co-relation 0. Up to 1515 conditions per place. [2021-03-26 03:50:43,632 INFO L142 LiptonReduction]: Number of co-enabled transitions 4504 [2021-03-26 03:50:43,671 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:50:43,672 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:50:43,672 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4826 [2021-03-26 03:50:43,672 INFO L480 AbstractCegarLoop]: Abstraction has has 236 places, 530 transitions, 13590 flow [2021-03-26 03:50:43,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:43,673 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:50:43,673 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:50:43,673 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 03:50:43,673 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:50:43,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:50:43,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1957122539, now seen corresponding path program 13 times [2021-03-26 03:50:43,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:50:43,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524270395] [2021-03-26 03:50:43,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:50:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:50:43,698 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:43,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:50:43,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:43,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:50:43,703 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:43,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:50:43,710 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:50:43,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:50:43,721 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 03:50:43,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 03:50:43,750 INFO L142 QuantifierPusher]: treesize reduction 18, result has 69.5 percent of original size [2021-03-26 03:50:43,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 03:50:43,790 INFO L142 QuantifierPusher]: treesize reduction 27, result has 64.5 percent of original size [2021-03-26 03:50:43,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-26 03:50:43,838 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 03:50:43,838 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 03:50:43,873 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 03:50:43,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 03:50:43,926 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:50:43,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:50:43,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:50:43,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524270395] [2021-03-26 03:50:43,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:50:43,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:50:43,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284145163] [2021-03-26 03:50:43,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:50:43,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:50:43,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:50:43,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:50:43,971 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:50:43,972 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 530 transitions, 13590 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:50:43,972 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:50:43,972 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:50:43,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:01,968 INFO L129 PetriNetUnfolder]: 14353/50563 cut-off events. [2021-03-26 03:51:01,968 INFO L130 PetriNetUnfolder]: For 1693097/1719529 co-relation queries the response was YES. [2021-03-26 03:51:02,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 379677 conditions, 50563 events. 14353/50563 cut-off events. For 1693097/1719529 co-relation queries the response was YES. Maximal size of possible extension queue 5524. Compared 833314 event pairs, 6244 based on Foata normal form. 22/49165 useless extension candidates. Maximal degree in co-relation 379576. Up to 13267 conditions per place. [2021-03-26 03:51:02,983 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 502 selfloop transitions, 283 changer transitions 3/806 dead transitions. [2021-03-26 03:51:02,983 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 806 transitions, 21505 flow [2021-03-26 03:51:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:51:02,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:51:02,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:51:02,985 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:51:02,985 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:51:02,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:51:02,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:02,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:51:02,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:02,988 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:02,988 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:02,989 INFO L185 Difference]: Start difference. First operand has 236 places, 530 transitions, 13590 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:51:02,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 806 transitions, 21505 flow [2021-03-26 03:51:14,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 806 transitions, 21058 flow, removed 100 selfloop flow, removed 2 redundant places. [2021-03-26 03:51:14,843 INFO L241 Difference]: Finished difference. Result has 253 places, 587 transitions, 15570 flow [2021-03-26 03:51:14,843 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=13318, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=530, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=226, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=15570, PETRI_PLACES=253, PETRI_TRANSITIONS=587} [2021-03-26 03:51:14,843 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 197 predicate places. [2021-03-26 03:51:14,843 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:51:14,844 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 253 places, 587 transitions, 15570 flow [2021-03-26 03:51:14,844 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 253 places, 587 transitions, 15570 flow [2021-03-26 03:51:14,850 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 252 places, 587 transitions, 15570 flow [2021-03-26 03:51:21,992 INFO L129 PetriNetUnfolder]: 0/19733 cut-off events. [2021-03-26 03:51:21,992 INFO L130 PetriNetUnfolder]: For 351520/368661 co-relation queries the response was YES. [2021-03-26 03:51:21,993 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75358 conditions, 19733 events. 0/19733 cut-off events. For 351520/368661 co-relation queries the response was YES. Maximal size of possible extension queue 2121. Compared 403622 event pairs, 0 based on Foata normal form. 146/18338 useless extension candidates. Maximal degree in co-relation 0. Up to 1979 conditions per place. [2021-03-26 03:51:22,197 INFO L142 LiptonReduction]: Number of co-enabled transitions 5130 [2021-03-26 03:51:22,243 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:51:22,243 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:51:22,243 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7400 [2021-03-26 03:51:22,243 INFO L480 AbstractCegarLoop]: Abstraction has has 252 places, 587 transitions, 15570 flow [2021-03-26 03:51:22,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:22,244 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:51:22,244 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:51:22,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 03:51:22,244 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:51:22,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:51:22,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1858571209, now seen corresponding path program 14 times [2021-03-26 03:51:22,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:51:22,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994178064] [2021-03-26 03:51:22,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:51:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:51:22,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:22,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:51:22,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:22,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:51:22,282 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:51:22,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:51:22,291 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:51:22,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:51:22,305 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:51:22,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:51:22,324 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:51:22,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:51:22,349 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:51:22,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:51:22,383 INFO L142 QuantifierPusher]: treesize reduction 54, result has 50.5 percent of original size [2021-03-26 03:51:22,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-26 03:51:22,424 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:51:22,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:51:22,473 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:51:22,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:51:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:51:22,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994178064] [2021-03-26 03:51:22,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:51:22,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:51:22,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510299710] [2021-03-26 03:51:22,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:51:22,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:51:22,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:51:22,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:51:22,520 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:51:22,521 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 587 transitions, 15570 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:22,521 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:51:22,521 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:51:22,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:51:33,601 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2021-03-26 03:51:46,097 INFO L129 PetriNetUnfolder]: 15372/58818 cut-off events. [2021-03-26 03:51:46,097 INFO L130 PetriNetUnfolder]: For 2086576/2119702 co-relation queries the response was YES. [2021-03-26 03:51:47,056 INFO L84 FinitePrefix]: Finished finitePrefix Result has 444520 conditions, 58818 events. 15372/58818 cut-off events. For 2086576/2119702 co-relation queries the response was YES. Maximal size of possible extension queue 6450. Compared 1020562 event pairs, 6719 based on Foata normal form. 40/56821 useless extension candidates. Maximal degree in co-relation 444411. Up to 15495 conditions per place. [2021-03-26 03:51:47,302 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 439 selfloop transitions, 384 changer transitions 1/842 dead transitions. [2021-03-26 03:51:47,302 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 842 transitions, 22752 flow [2021-03-26 03:51:47,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:51:47,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:51:47,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:51:47,304 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:51:47,304 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:51:47,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:51:47,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:51:47,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:51:47,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:47,307 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:47,307 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:51:47,307 INFO L185 Difference]: Start difference. First operand has 252 places, 587 transitions, 15570 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:51:47,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 842 transitions, 22752 flow [2021-03-26 03:52:07,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 842 transitions, 22171 flow, removed 192 selfloop flow, removed 3 redundant places. [2021-03-26 03:52:07,399 INFO L241 Difference]: Finished difference. Result has 268 places, 710 transitions, 19535 flow [2021-03-26 03:52:07,399 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=15073, PETRI_DIFFERENCE_MINUEND_PLACES=249, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=587, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=261, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=19535, PETRI_PLACES=268, PETRI_TRANSITIONS=710} [2021-03-26 03:52:07,400 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 212 predicate places. [2021-03-26 03:52:07,400 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:52:07,400 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 268 places, 710 transitions, 19535 flow [2021-03-26 03:52:07,400 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 268 places, 710 transitions, 19535 flow [2021-03-26 03:52:07,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 267 places, 710 transitions, 19535 flow [2021-03-26 03:52:16,453 INFO L129 PetriNetUnfolder]: 0/23664 cut-off events. [2021-03-26 03:52:16,453 INFO L130 PetriNetUnfolder]: For 460733/482724 co-relation queries the response was YES. [2021-03-26 03:52:16,453 INFO L84 FinitePrefix]: Finished finitePrefix Result has 92818 conditions, 23664 events. 0/23664 cut-off events. For 460733/482724 co-relation queries the response was YES. Maximal size of possible extension queue 2518. Compared 496817 event pairs, 0 based on Foata normal form. 279/22220 useless extension candidates. Maximal degree in co-relation 0. Up to 2357 conditions per place. [2021-03-26 03:52:16,707 INFO L142 LiptonReduction]: Number of co-enabled transitions 6112 [2021-03-26 03:52:16,771 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:52:16,771 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:52:16,771 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9371 [2021-03-26 03:52:16,772 INFO L480 AbstractCegarLoop]: Abstraction has has 267 places, 710 transitions, 19535 flow [2021-03-26 03:52:16,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:16,772 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:52:16,772 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:52:16,773 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 03:52:16,773 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:52:16,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:52:16,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1944996155, now seen corresponding path program 15 times [2021-03-26 03:52:16,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:52:16,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873716108] [2021-03-26 03:52:16,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:52:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:52:16,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:16,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:52:16,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:16,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:52:16,800 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:16,800 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:52:16,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:52:16,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 03:52:16,819 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:52:16,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:52:16,835 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:52:16,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:52:16,855 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:52:16,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:52:16,880 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 03:52:16,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 03:52:17,113 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:52:17,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:52:17,152 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:52:17,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:52:17,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:52:17,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873716108] [2021-03-26 03:52:17,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:52:17,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:52:17,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938495244] [2021-03-26 03:52:17,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:52:17,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:52:17,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:52:17,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:52:17,186 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:52:17,187 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 710 transitions, 19535 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:17,187 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:52:17,187 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:52:17,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:52:42,924 INFO L129 PetriNetUnfolder]: 15505/58876 cut-off events. [2021-03-26 03:52:42,924 INFO L130 PetriNetUnfolder]: For 2163906/2195815 co-relation queries the response was YES. [2021-03-26 03:52:44,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 453815 conditions, 58876 events. 15505/58876 cut-off events. For 2163906/2195815 co-relation queries the response was YES. Maximal size of possible extension queue 6406. Compared 1022019 event pairs, 6639 based on Foata normal form. 40/56669 useless extension candidates. Maximal degree in co-relation 453699. Up to 16108 conditions per place. [2021-03-26 03:52:44,273 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 764 selfloop transitions, 373 changer transitions 2/1157 dead transitions. [2021-03-26 03:52:44,273 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 1157 transitions, 33375 flow [2021-03-26 03:52:44,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:52:44,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:52:44,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:52:44,275 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:52:44,275 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:52:44,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:52:44,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:52:44,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:52:44,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:44,278 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:44,278 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:52:44,278 INFO L185 Difference]: Start difference. First operand has 267 places, 710 transitions, 19535 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:52:44,278 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 277 places, 1157 transitions, 33375 flow [2021-03-26 03:53:05,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 275 places, 1157 transitions, 32267 flow, removed 456 selfloop flow, removed 2 redundant places. [2021-03-26 03:53:05,915 INFO L241 Difference]: Finished difference. Result has 284 places, 839 transitions, 23847 flow [2021-03-26 03:53:05,916 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=18947, PETRI_DIFFERENCE_MINUEND_PLACES=265, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=244, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=23847, PETRI_PLACES=284, PETRI_TRANSITIONS=839} [2021-03-26 03:53:05,916 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 228 predicate places. [2021-03-26 03:53:05,916 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:53:05,916 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 284 places, 839 transitions, 23847 flow [2021-03-26 03:53:05,916 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 284 places, 839 transitions, 23847 flow [2021-03-26 03:53:05,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 283 places, 839 transitions, 23847 flow [2021-03-26 03:53:16,372 INFO L129 PetriNetUnfolder]: 0/24625 cut-off events. [2021-03-26 03:53:16,372 INFO L130 PetriNetUnfolder]: For 519620/539266 co-relation queries the response was YES. [2021-03-26 03:53:16,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101116 conditions, 24625 events. 0/24625 cut-off events. For 519620/539266 co-relation queries the response was YES. Maximal size of possible extension queue 2727. Compared 519866 event pairs, 0 based on Foata normal form. 137/23037 useless extension candidates. Maximal degree in co-relation 0. Up to 2446 conditions per place. [2021-03-26 03:53:16,653 INFO L142 LiptonReduction]: Number of co-enabled transitions 7202 [2021-03-26 03:53:16,744 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:53:16,744 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:53:16,744 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10828 [2021-03-26 03:53:16,745 INFO L480 AbstractCegarLoop]: Abstraction has has 283 places, 839 transitions, 23847 flow [2021-03-26 03:53:16,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:16,745 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:53:16,745 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:53:16,745 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 03:53:16,745 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:53:16,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:53:16,746 INFO L82 PathProgramCache]: Analyzing trace with hash 122469419, now seen corresponding path program 16 times [2021-03-26 03:53:16,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:53:16,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907119197] [2021-03-26 03:53:16,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:53:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:53:16,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:16,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:53:16,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:53:16,768 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:53:16,772 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:53:16,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:53:16,781 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:53:16,781 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:53:16,793 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:53:16,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:53:16,810 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:53:16,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:53:16,830 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 03:53:16,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 03:53:16,864 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.3 percent of original size [2021-03-26 03:53:16,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 03:53:16,919 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:53:16,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:53:16,960 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:53:16,966 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:53:16,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:53:16,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907119197] [2021-03-26 03:53:16,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:53:16,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:53:16,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472107217] [2021-03-26 03:53:16,998 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:53:16,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:53:16,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:53:16,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:53:16,999 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:53:17,000 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 839 transitions, 23847 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:17,000 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:53:17,000 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:53:17,000 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:53:48,579 INFO L129 PetriNetUnfolder]: 15482/60373 cut-off events. [2021-03-26 03:53:48,579 INFO L130 PetriNetUnfolder]: For 2417103/2457806 co-relation queries the response was YES. [2021-03-26 03:53:49,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 480691 conditions, 60373 events. 15482/60373 cut-off events. For 2417103/2457806 co-relation queries the response was YES. Maximal size of possible extension queue 6831. Compared 1053690 event pairs, 7836 based on Foata normal form. 62/58608 useless extension candidates. Maximal degree in co-relation 480567. Up to 13940 conditions per place. [2021-03-26 03:53:50,157 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 479 selfloop transitions, 559 changer transitions 2/1058 dead transitions. [2021-03-26 03:53:50,157 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 293 places, 1058 transitions, 31003 flow [2021-03-26 03:53:50,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:53:50,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:53:50,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:53:50,168 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:53:50,168 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:53:50,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:53:50,168 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:53:50,168 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:53:50,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:50,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:50,171 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:53:50,171 INFO L185 Difference]: Start difference. First operand has 283 places, 839 transitions, 23847 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:53:50,171 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 293 places, 1058 transitions, 31003 flow [2021-03-26 03:54:15,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 1058 transitions, 30063 flow, removed 372 selfloop flow, removed 2 redundant places. [2021-03-26 03:54:16,002 INFO L241 Difference]: Finished difference. Result has 300 places, 889 transitions, 26419 flow [2021-03-26 03:54:16,003 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=23069, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=839, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=509, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=26419, PETRI_PLACES=300, PETRI_TRANSITIONS=889} [2021-03-26 03:54:16,003 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 244 predicate places. [2021-03-26 03:54:16,003 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:54:16,003 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 300 places, 889 transitions, 26419 flow [2021-03-26 03:54:16,004 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 300 places, 889 transitions, 26419 flow [2021-03-26 03:54:16,015 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 299 places, 889 transitions, 26419 flow [2021-03-26 03:54:27,733 INFO L129 PetriNetUnfolder]: 0/25438 cut-off events. [2021-03-26 03:54:27,734 INFO L130 PetriNetUnfolder]: For 609079/634367 co-relation queries the response was YES. [2021-03-26 03:54:27,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108384 conditions, 25438 events. 0/25438 cut-off events. For 609079/634367 co-relation queries the response was YES. Maximal size of possible extension queue 2723. Compared 540290 event pairs, 0 based on Foata normal form. 151/23782 useless extension candidates. Maximal degree in co-relation 0. Up to 2532 conditions per place. [2021-03-26 03:54:28,059 INFO L142 LiptonReduction]: Number of co-enabled transitions 7674 [2021-03-26 03:54:28,159 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:54:28,159 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:54:28,159 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12156 [2021-03-26 03:54:28,159 INFO L480 AbstractCegarLoop]: Abstraction has has 299 places, 889 transitions, 26419 flow [2021-03-26 03:54:28,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:28,160 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:54:28,160 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:54:28,160 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 03:54:28,160 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:54:28,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:54:28,160 INFO L82 PathProgramCache]: Analyzing trace with hash 886203783, now seen corresponding path program 17 times [2021-03-26 03:54:28,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:54:28,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715619246] [2021-03-26 03:54:28,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:54:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:54:28,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:28,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:54:28,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:28,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:54:28,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:54:28,196 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 03:54:28,203 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:54:28,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:54:28,215 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:54:28,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:54:28,232 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:54:28,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:54:28,252 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:54:28,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:54:28,281 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 03:54:28,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 03:54:28,311 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 03:54:28,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 03:54:28,353 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:54:28,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:54:28,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:54:28,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715619246] [2021-03-26 03:54:28,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:54:28,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:54:28,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324813765] [2021-03-26 03:54:28,397 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:54:28,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:54:28,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:54:28,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:54:28,399 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:54:28,399 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 889 transitions, 26419 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:54:28,399 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:54:28,399 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:54:28,399 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:55:09,815 INFO L129 PetriNetUnfolder]: 16662/70860 cut-off events. [2021-03-26 03:55:09,815 INFO L130 PetriNetUnfolder]: For 3100228/3140699 co-relation queries the response was YES. [2021-03-26 03:55:11,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 571792 conditions, 70860 events. 16662/70860 cut-off events. For 3100228/3140699 co-relation queries the response was YES. Maximal size of possible extension queue 7967. Compared 1303079 event pairs, 7186 based on Foata normal form. 87/68162 useless extension candidates. Maximal degree in co-relation 571660. Up to 16228 conditions per place. [2021-03-26 03:55:11,899 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 820 selfloop transitions, 525 changer transitions 2/1365 dead transitions. [2021-03-26 03:55:11,899 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 309 places, 1365 transitions, 42271 flow [2021-03-26 03:55:11,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:55:11,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:55:11,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:55:11,900 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:55:11,900 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:55:11,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:55:11,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:55:11,900 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:55:11,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:11,903 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:11,903 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:55:11,903 INFO L185 Difference]: Start difference. First operand has 299 places, 889 transitions, 26419 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:55:11,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 309 places, 1365 transitions, 42271 flow [2021-03-26 03:55:59,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 1365 transitions, 41245 flow, removed 414 selfloop flow, removed 3 redundant places. [2021-03-26 03:55:59,245 INFO L241 Difference]: Finished difference. Result has 314 places, 1073 transitions, 33477 flow [2021-03-26 03:55:59,246 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=25921, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=889, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=341, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=33477, PETRI_PLACES=314, PETRI_TRANSITIONS=1073} [2021-03-26 03:55:59,246 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 258 predicate places. [2021-03-26 03:55:59,246 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:55:59,246 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 314 places, 1073 transitions, 33477 flow [2021-03-26 03:55:59,246 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 314 places, 1073 transitions, 33477 flow [2021-03-26 03:55:59,257 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 313 places, 1073 transitions, 33477 flow [2021-03-26 03:56:13,827 INFO L129 PetriNetUnfolder]: 0/32408 cut-off events. [2021-03-26 03:56:13,827 INFO L130 PetriNetUnfolder]: For 807441/830909 co-relation queries the response was YES. [2021-03-26 03:56:13,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 144826 conditions, 32408 events. 0/32408 cut-off events. For 807441/830909 co-relation queries the response was YES. Maximal size of possible extension queue 3634. Compared 711760 event pairs, 0 based on Foata normal form. 289/30574 useless extension candidates. Maximal degree in co-relation 0. Up to 3172 conditions per place. [2021-03-26 03:56:14,480 INFO L142 LiptonReduction]: Number of co-enabled transitions 8712 [2021-03-26 03:56:14,627 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:56:14,627 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:56:14,627 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15381 [2021-03-26 03:56:14,628 INFO L480 AbstractCegarLoop]: Abstraction has has 313 places, 1073 transitions, 33477 flow [2021-03-26 03:56:14,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:14,628 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:56:14,628 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:56:14,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 03:56:14,629 INFO L428 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:56:14,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:56:14,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1743791231, now seen corresponding path program 18 times [2021-03-26 03:56:14,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:56:14,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715248131] [2021-03-26 03:56:14,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:56:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:56:14,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:14,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:56:14,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:56:14,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:56:14,663 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:56:14,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:56:14,671 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:56:14,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:56:14,683 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:56:14,684 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:56:14,700 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:56:14,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:56:14,724 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-26 03:56:14,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 03:56:14,770 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.3 percent of original size [2021-03-26 03:56:14,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 03:56:14,832 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:56:14,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:56:14,867 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:56:14,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:56:14,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:56:14,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715248131] [2021-03-26 03:56:14,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:56:14,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:56:14,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483573845] [2021-03-26 03:56:14,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:56:14,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:56:14,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:56:14,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:56:14,902 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:56:14,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 313 places, 1073 transitions, 33477 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:56:14,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:56:14,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:56:14,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:56:57,994 INFO L129 PetriNetUnfolder]: 16774/74595 cut-off events. [2021-03-26 03:56:57,995 INFO L130 PetriNetUnfolder]: For 3266752/3311774 co-relation queries the response was YES. [2021-03-26 03:56:59,858 INFO L84 FinitePrefix]: Finished finitePrefix Result has 591564 conditions, 74595 events. 16774/74595 cut-off events. For 3266752/3311774 co-relation queries the response was YES. Maximal size of possible extension queue 8682. Compared 1393437 event pairs, 9057 based on Foata normal form. 75/72102 useless extension candidates. Maximal degree in co-relation 591426. Up to 17087 conditions per place. [2021-03-26 03:57:00,151 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 490 selfloop transitions, 754 changer transitions 2/1264 dead transitions. [2021-03-26 03:57:00,151 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 1264 transitions, 40807 flow [2021-03-26 03:57:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:57:00,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:57:00,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:57:00,152 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:57:00,153 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:57:00,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:57:00,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:57:00,153 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:57:00,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:00,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:00,155 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:57:00,155 INFO L185 Difference]: Start difference. First operand has 313 places, 1073 transitions, 33477 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:57:00,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 1264 transitions, 40807 flow [2021-03-26 03:57:45,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 319 places, 1264 transitions, 39498 flow, removed 420 selfloop flow, removed 4 redundant places. [2021-03-26 03:57:45,228 INFO L241 Difference]: Finished difference. Result has 326 places, 1139 transitions, 36003 flow [2021-03-26 03:57:45,229 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=32458, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1073, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=688, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=36003, PETRI_PLACES=326, PETRI_TRANSITIONS=1139} [2021-03-26 03:57:45,230 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 270 predicate places. [2021-03-26 03:57:45,230 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:57:45,230 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 326 places, 1139 transitions, 36003 flow [2021-03-26 03:57:45,230 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 326 places, 1139 transitions, 36003 flow [2021-03-26 03:57:45,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 325 places, 1139 transitions, 36003 flow [2021-03-26 03:58:00,373 INFO L129 PetriNetUnfolder]: 0/35531 cut-off events. [2021-03-26 03:58:00,373 INFO L130 PetriNetUnfolder]: For 956322/982589 co-relation queries the response was YES. [2021-03-26 03:58:00,374 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162613 conditions, 35531 events. 0/35531 cut-off events. For 956322/982589 co-relation queries the response was YES. Maximal size of possible extension queue 3985. Compared 789410 event pairs, 0 based on Foata normal form. 304/33469 useless extension candidates. Maximal degree in co-relation 0. Up to 3483 conditions per place. [2021-03-26 03:58:00,782 INFO L142 LiptonReduction]: Number of co-enabled transitions 9300 [2021-03-26 03:58:00,952 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:58:00,952 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:58:00,952 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15722 [2021-03-26 03:58:00,953 INFO L480 AbstractCegarLoop]: Abstraction has has 325 places, 1139 transitions, 36003 flow [2021-03-26 03:58:00,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:00,953 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:58:00,953 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:58:00,953 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-26 03:58:00,953 INFO L428 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:58:00,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:58:00,953 INFO L82 PathProgramCache]: Analyzing trace with hash 128618733, now seen corresponding path program 19 times [2021-03-26 03:58:00,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:58:00,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783559615] [2021-03-26 03:58:00,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:58:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:58:00,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:00,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:58:00,975 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:58:00,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:58:00,980 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:58:00,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:58:00,988 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:58:00,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:58:01,002 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 03:58:01,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 03:58:01,019 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 03:58:01,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 03:58:01,042 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.1 percent of original size [2021-03-26 03:58:01,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 03:58:01,070 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 03:58:01,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 03:58:01,104 INFO L142 QuantifierPusher]: treesize reduction 63, result has 50.0 percent of original size [2021-03-26 03:58:01,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-03-26 03:58:01,147 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:58:01,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:58:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:58:01,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783559615] [2021-03-26 03:58:01,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:58:01,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:58:01,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227074355] [2021-03-26 03:58:01,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:58:01,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:58:01,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:58:01,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:58:01,184 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:58:01,184 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 1139 transitions, 36003 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:01,185 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:58:01,185 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:58:01,185 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 03:58:52,680 INFO L129 PetriNetUnfolder]: 16835/80311 cut-off events. [2021-03-26 03:58:52,680 INFO L130 PetriNetUnfolder]: For 3590214/3635483 co-relation queries the response was YES. [2021-03-26 03:58:54,639 INFO L84 FinitePrefix]: Finished finitePrefix Result has 630922 conditions, 80311 events. 16835/80311 cut-off events. For 3590214/3635483 co-relation queries the response was YES. Maximal size of possible extension queue 9239. Compared 1546635 event pairs, 9139 based on Foata normal form. 76/77241 useless extension candidates. Maximal degree in co-relation 630779. Up to 16959 conditions per place. [2021-03-26 03:58:55,036 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 593 selfloop transitions, 778 changer transitions 2/1391 dead transitions. [2021-03-26 03:58:55,036 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 1391 transitions, 45067 flow [2021-03-26 03:58:55,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 03:58:55,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 03:58:55,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 03:58:55,038 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 03:58:55,038 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 03:58:55,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 03:58:55,038 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 03:58:55,038 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 03:58:55,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:55,041 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:55,041 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:58:55,041 INFO L185 Difference]: Start difference. First operand has 325 places, 1139 transitions, 36003 flow. Second operand 11 states and 1253 transitions. [2021-03-26 03:58:55,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 1391 transitions, 45067 flow [2021-03-26 03:59:43,240 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 1391 transitions, 43723 flow, removed 263 selfloop flow, removed 4 redundant places. [2021-03-26 03:59:43,267 INFO L241 Difference]: Finished difference. Result has 339 places, 1263 transitions, 40596 flow [2021-03-26 03:59:43,268 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=129, PETRI_DIFFERENCE_MINUEND_FLOW=34829, PETRI_DIFFERENCE_MINUEND_PLACES=321, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=654, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=361, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=40596, PETRI_PLACES=339, PETRI_TRANSITIONS=1263} [2021-03-26 03:59:43,268 INFO L343 CegarLoopForPetriNet]: 56 programPoint places, 283 predicate places. [2021-03-26 03:59:43,268 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 03:59:43,269 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 339 places, 1263 transitions, 40596 flow [2021-03-26 03:59:43,269 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 339 places, 1263 transitions, 40596 flow [2021-03-26 03:59:43,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 338 places, 1263 transitions, 40596 flow [2021-03-26 03:59:58,256 INFO L129 PetriNetUnfolder]: 0/39400 cut-off events. [2021-03-26 03:59:58,256 INFO L130 PetriNetUnfolder]: For 1127324/1155040 co-relation queries the response was YES. [2021-03-26 03:59:58,257 INFO L84 FinitePrefix]: Finished finitePrefix Result has 185011 conditions, 39400 events. 0/39400 cut-off events. For 1127324/1155040 co-relation queries the response was YES. Maximal size of possible extension queue 4426. Compared 886062 event pairs, 0 based on Foata normal form. 369/37138 useless extension candidates. Maximal degree in co-relation 0. Up to 3879 conditions per place. [2021-03-26 03:59:59,016 INFO L142 LiptonReduction]: Number of co-enabled transitions 10388 [2021-03-26 03:59:59,232 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 03:59:59,232 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 03:59:59,233 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15965 [2021-03-26 03:59:59,233 INFO L480 AbstractCegarLoop]: Abstraction has has 338 places, 1263 transitions, 40596 flow [2021-03-26 03:59:59,233 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:59,234 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 03:59:59,234 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 03:59:59,234 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-26 03:59:59,234 INFO L428 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-03-26 03:59:59,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 03:59:59,234 INFO L82 PathProgramCache]: Analyzing trace with hash -777763029, now seen corresponding path program 20 times [2021-03-26 03:59:59,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 03:59:59,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607989089] [2021-03-26 03:59:59,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 03:59:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 03:59:59,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:59,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 03:59:59,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 03:59:59,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 03:59:59,264 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-03-26 03:59:59,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-26 03:59:59,274 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 03:59:59,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 03:59:59,286 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 03:59:59,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 03:59:59,303 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 03:59:59,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 03:59:59,324 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 03:59:59,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 03:59:59,354 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 03:59:59,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 03:59:59,418 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 03:59:59,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 03:59:59,466 INFO L142 QuantifierPusher]: treesize reduction 72, result has 47.4 percent of original size [2021-03-26 03:59:59,467 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 03:59:59,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 03:59:59,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607989089] [2021-03-26 03:59:59,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 03:59:59,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 03:59:59,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740844554] [2021-03-26 03:59:59,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-26 03:59:59,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 03:59:59,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-26 03:59:59,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-03-26 03:59:59,513 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 129 [2021-03-26 03:59:59,514 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 1263 transitions, 40596 flow. Second operand has 11 states, 11 states have (on average 109.9090909090909) internal successors, (1209), 11 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 03:59:59,514 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 03:59:59,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 129 [2021-03-26 03:59:59,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 04:00:50,547 INFO L129 PetriNetUnfolder]: 16764/80522 cut-off events. [2021-03-26 04:00:50,547 INFO L130 PetriNetUnfolder]: For 3827169/3872647 co-relation queries the response was YES. [2021-03-26 04:00:52,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 651503 conditions, 80522 events. 16764/80522 cut-off events. For 3827169/3872647 co-relation queries the response was YES. Maximal size of possible extension queue 9210. Compared 1556885 event pairs, 8935 based on Foata normal form. 102/77454 useless extension candidates. Maximal degree in co-relation 651354. Up to 18229 conditions per place. [2021-03-26 04:00:53,037 INFO L132 encePairwiseOnDemand]: 119/129 looper letters, 837 selfloop transitions, 771 changer transitions 2/1628 dead transitions. [2021-03-26 04:00:53,037 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 1628 transitions, 54204 flow [2021-03-26 04:00:53,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 04:00:53,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 04:00:53,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1253 transitions. [2021-03-26 04:00:53,038 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.883016208597604 [2021-03-26 04:00:53,038 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1253 transitions. [2021-03-26 04:00:53,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1253 transitions. [2021-03-26 04:00:53,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 04:00:53,039 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1253 transitions. [2021-03-26 04:00:53,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 113.9090909090909) internal successors, (1253), 11 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:53,041 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:53,041 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 129.0) internal successors, (1548), 12 states have internal predecessors, (1548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 04:00:53,041 INFO L185 Difference]: Start difference. First operand has 338 places, 1263 transitions, 40596 flow. Second operand 11 states and 1253 transitions. [2021-03-26 04:00:53,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 1628 transitions, 54204 flow Received shutdown request... [2021-03-26 04:01:25,379 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-26 04:01:25,380 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 04:01:25,382 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 04:01:25,382 INFO L202 PluginConnector]: Adding new model example_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 04:01:25 BasicIcfg [2021-03-26 04:01:25,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 04:01:25,383 INFO L168 Benchmark]: Toolchain (without parser) took 757952.70 ms. Allocated memory was 255.9 MB in the beginning and 15.8 GB in the end (delta: 15.5 GB). Free memory was 236.7 MB in the beginning and 8.9 GB in the end (delta: -8.7 GB). Peak memory consumption was 6.9 GB. Max. memory is 16.0 GB. [2021-03-26 04:01:25,383 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.48 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 04:01:25,383 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.93 ms. Allocated memory is still 255.9 MB. Free memory was 236.6 MB in the beginning and 235.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 04:01:25,383 INFO L168 Benchmark]: Boogie Preprocessor took 15.89 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.2 MB in the end (delta: 853.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 04:01:25,383 INFO L168 Benchmark]: RCFGBuilder took 223.15 ms. Allocated memory is still 255.9 MB. Free memory was 234.1 MB in the beginning and 238.7 MB in the end (delta: -4.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. [2021-03-26 04:01:25,383 INFO L168 Benchmark]: TraceAbstraction took 757679.28 ms. Allocated memory was 255.9 MB in the beginning and 15.8 GB in the end (delta: 15.5 GB). Free memory was 238.2 MB in the beginning and 8.9 GB in the end (delta: -8.7 GB). Peak memory consumption was 6.9 GB. Max. memory is 16.0 GB. [2021-03-26 04:01:25,383 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 0.48 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 28.93 ms. Allocated memory is still 255.9 MB. Free memory was 236.6 MB in the beginning and 235.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 15.89 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.2 MB in the end (delta: 853.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 223.15 ms. Allocated memory is still 255.9 MB. Free memory was 234.1 MB in the beginning and 238.7 MB in the end (delta: -4.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 757679.28 ms. Allocated memory was 255.9 MB in the beginning and 15.8 GB in the end (delta: 15.5 GB). Free memory was 238.2 MB in the beginning and 8.9 GB in the end (delta: -8.7 GB). Peak memory consumption was 6.9 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 465.1ms, 65 PlacesBefore, 56 PlacesAfterwards, 109 TransitionsBefore, 100 TransitionsAfterwards, 2736 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 756 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 756, positive: 756, positive conditional: 756, 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: 756, positive: 756, positive conditional: 0, positive unconditional: 756, 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: 756, positive: 756, positive conditional: 0, positive unconditional: 756, 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: 756, positive: 756, positive conditional: 0, positive unconditional: 756, 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: 756, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 756, unknown conditional: 756, 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: 107.1ms, 40 PlacesBefore, 40 PlacesAfterwards, 95 TransitionsBefore, 95 TransitionsAfterwards, 1216 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: 89.0ms, 41 PlacesBefore, 41 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 1200 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: 98.2ms, 42 PlacesBefore, 42 PlacesAfterwards, 92 TransitionsBefore, 92 TransitionsAfterwards, 1168 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: 45.8ms, 43 PlacesBefore, 43 PlacesAfterwards, 86 TransitionsBefore, 86 TransitionsAfterwards, 1072 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: 47.3ms, 44 PlacesBefore, 44 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 1024 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: 14.3ms, 45 PlacesBefore, 45 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 656 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: 5.9ms, 46 PlacesBefore, 46 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 380 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: 20.7ms, 64 PlacesBefore, 63 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 570 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: 57.6ms, 80 PlacesBefore, 80 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 982 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: 80.9ms, 98 PlacesBefore, 98 PlacesAfterwards, 77 TransitionsBefore, 77 TransitionsAfterwards, 1354 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: 248.0ms, 116 PlacesBefore, 116 PlacesAfterwards, 103 TransitionsBefore, 103 TransitionsAfterwards, 2038 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: 411.0ms, 134 PlacesBefore, 134 PlacesAfterwards, 129 TransitionsBefore, 129 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: 889.9ms, 152 PlacesBefore, 152 PlacesAfterwards, 172 TransitionsBefore, 172 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: 446.0ms, 153 PlacesBefore, 148 PlacesAfterwards, 150 TransitionsBefore, 150 TransitionsAfterwards, 1560 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: 605.0ms, 158 PlacesBefore, 157 PlacesAfterwards, 182 TransitionsBefore, 182 TransitionsAfterwards, 1924 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: 1341.9ms, 174 PlacesBefore, 173 PlacesAfterwards, 263 TransitionsBefore, 263 TransitionsAfterwards, 2594 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: 2646.5ms, 189 PlacesBefore, 188 PlacesAfterwards, 333 TransitionsBefore, 333 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: 3300.6ms, 205 PlacesBefore, 204 PlacesAfterwards, 401 TransitionsBefore, 401 TransitionsAfterwards, 3468 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: 4129.3ms, 221 PlacesBefore, 220 PlacesAfterwards, 462 TransitionsBefore, 462 TransitionsAfterwards, 4110 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: 4825.5ms, 237 PlacesBefore, 236 PlacesAfterwards, 530 TransitionsBefore, 530 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: 7399.0ms, 253 PlacesBefore, 252 PlacesAfterwards, 587 TransitionsBefore, 587 TransitionsAfterwards, 5130 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: 9371.3ms, 268 PlacesBefore, 267 PlacesAfterwards, 710 TransitionsBefore, 710 TransitionsAfterwards, 6112 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: 10827.9ms, 284 PlacesBefore, 283 PlacesAfterwards, 839 TransitionsBefore, 839 TransitionsAfterwards, 7202 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: 12155.2ms, 300 PlacesBefore, 299 PlacesAfterwards, 889 TransitionsBefore, 889 TransitionsAfterwards, 7674 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: 15380.6ms, 314 PlacesBefore, 313 PlacesAfterwards, 1073 TransitionsBefore, 1073 TransitionsAfterwards, 8712 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: 15721.9ms, 326 PlacesBefore, 325 PlacesAfterwards, 1139 TransitionsBefore, 1139 TransitionsAfterwards, 9300 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: 15963.7ms, 339 PlacesBefore, 338 PlacesAfterwards, 1263 TransitionsBefore, 1263 TransitionsAfterwards, 10388 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: 31]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 31). Cancelled while executing RemoveRedundantFlow. - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 132.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 757508.4ms, OverallIterations: 28, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 643411.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 922.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 869 SDtfs, 946 SDslu, 835 SDs, 0 SdLazy, 1565 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1497.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 6093.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=40596occurred in iteration=27, InterpolantAutomatonStates: 233, 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: 30.8ms SsaConstructionTime, 154.0ms SatisfiabilityAnalysisTime, 6325.3ms InterpolantComputationTime, 784 NumberOfCodeBlocks, 784 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 756 ConstructedInterpolants, 0 QuantifiedInterpolants, 19751 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 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