/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 13:26:33,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 13:26:33,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 13:26:33,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 13:26:33,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 13:26:33,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 13:26:33,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 13:26:33,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 13:26:33,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 13:26:33,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 13:26:33,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 13:26:33,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-03-26 13:26:33,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 13:26:33,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 13:26:33,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 13:26:33,411 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-03-26 13:26:33,452 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 13:26:33,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 13:26:33,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 13:26:33,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 13:26:33,457 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 13:26:33,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 13:26:33,458 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 13:26:33,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 13:26:33,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 13:26:33,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 13:26:33,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 13:26:33,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 13:26:33,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 13:26:33,460 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 13:26:33,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 13:26:33,461 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 13:26:33,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 13:26:33,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 13:26:33,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 13:26:33,462 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 13:26:33,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 13:26:33,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 13:26:33,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 13:26:33,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 13:26:33,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 13:26:33,463 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 13:26:33,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 13:26:33,463 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-03-26 13:26:33,463 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 13:26:33,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 13:26:33,464 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 13:26:33,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 13:26:33,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 13:26:33,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 13:26:33,858 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-26 13:26:33,860 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-26 13:26:33,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_12.bpl [2021-03-26 13:26:33,862 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_12.bpl' [2021-03-26 13:26:33,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 13:26:33,909 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-26 13:26:33,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 13:26:33,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 13:26:33,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 13:26:33,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:26:33" (1/1) ... [2021-03-26 13:26:33,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:26:33" (1/1) ... [2021-03-26 13:26:33,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 13:26:33,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 13:26:33,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 13:26:33,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 13:26:33,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:26:33" (1/1) ... [2021-03-26 13:26:33,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:26:33" (1/1) ... [2021-03-26 13:26:33,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:26:33" (1/1) ... [2021-03-26 13:26:33,959 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:26:33" (1/1) ... [2021-03-26 13:26:33,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:26:33" (1/1) ... [2021-03-26 13:26:33,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:26:33" (1/1) ... [2021-03-26 13:26:33,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:26:33" (1/1) ... [2021-03-26 13:26:33,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 13:26:33,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 13:26:33,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 13:26:33,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 13:26:33,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:26:33" (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 13:26:34,047 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-03-26 13:26:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-03-26 13:26:34,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-03-26 13:26:34,050 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-03-26 13:26:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-03-26 13:26:34,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-03-26 13:26:34,050 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-03-26 13:26:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-03-26 13:26:34,051 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-03-26 13:26:34,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-03-26 13:26:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-03-26 13:26:34,051 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-03-26 13:26:34,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-03-26 13:26:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-03-26 13:26:34,051 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-03-26 13:26:34,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2021-03-26 13:26:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2021-03-26 13:26:34,052 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2021-03-26 13:26:34,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-26 13:26:34,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 13:26:34,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 13:26:34,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-03-26 13:26:34,053 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-03-26 13:26:34,054 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-03-26 13:26:34,054 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2021-03-26 13:26:34,054 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2021-03-26 13:26:34,055 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2021-03-26 13:26:34,055 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2021-03-26 13:26:34,055 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2021-03-26 13:26:34,055 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2021-03-26 13:26:34,056 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2021-03-26 13:26:34,056 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2021-03-26 13:26:34,056 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2021-03-26 13:26:34,056 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2021-03-26 13:26:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2021-03-26 13:26:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2021-03-26 13:26:34,057 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2021-03-26 13:26:34,057 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2021-03-26 13:26:34,057 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2021-03-26 13:26:34,058 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 13:26:34,296 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 13:26:34,296 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-26 13:26:34,298 INFO L202 PluginConnector]: Adding new model example_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 01:26:34 BoogieIcfgContainer [2021-03-26 13:26:34,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 13:26:34,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 13:26:34,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 13:26:34,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 13:26:34,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.03 01:26:33" (1/2) ... [2021-03-26 13:26:34,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565ce968 and model type example_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 01:26:34, skipping insertion in model container [2021-03-26 13:26:34,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 01:26:34" (2/2) ... [2021-03-26 13:26:34,306 INFO L111 eAbstractionObserver]: Analyzing ICFG example_12.bpl [2021-03-26 13:26:34,312 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 13:26:34,316 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-26 13:26:34,317 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 13:26:34,632 INFO L149 ThreadInstanceAdder]: Constructed 144 joinOtherThreadTransitions. [2021-03-26 13:26:34,659 INFO L253 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-03-26 13:26:34,691 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 13:26:34,691 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 13:26:34,691 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 13:26:34,694 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 13:26:34,694 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 13:26:34,694 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 13:26:34,694 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 13:26:34,694 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 13:26:34,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 100 places, 195 transitions, 882 flow [2021-03-26 13:26:37,407 INFO L129 PetriNetUnfolder]: 20481/24615 cut-off events. [2021-03-26 13:26:37,407 INFO L130 PetriNetUnfolder]: For 24576/24576 co-relation queries the response was YES. [2021-03-26 13:26:37,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49228 conditions, 24615 events. 20481/24615 cut-off events. For 24576/24576 co-relation queries the response was YES. Maximal size of possible extension queue 988. Compared 94640 event pairs, 0 based on Foata normal form. 0/24614 useless extension candidates. Maximal degree in co-relation 22585. Up to 5544 conditions per place. [2021-03-26 13:26:37,618 INFO L82 GeneralOperation]: Start removeDead. Operand has 100 places, 195 transitions, 882 flow [2021-03-26 13:26:37,862 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 181 transitions, 830 flow [2021-03-26 13:26:37,864 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:26:37,882 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 181 transitions, 830 flow [2021-03-26 13:26:37,890 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 181 transitions, 830 flow [2021-03-26 13:26:37,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 86 places, 181 transitions, 830 flow [2021-03-26 13:26:40,505 INFO L129 PetriNetUnfolder]: 20481/24613 cut-off events. [2021-03-26 13:26:40,505 INFO L130 PetriNetUnfolder]: For 24576/24576 co-relation queries the response was YES. [2021-03-26 13:26:40,604 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49226 conditions, 24613 events. 20481/24613 cut-off events. For 24576/24576 co-relation queries the response was YES. Maximal size of possible extension queue 988. Compared 98554 event pairs, 0 based on Foata normal form. 0/24613 useless extension candidates. Maximal degree in co-relation 22585. Up to 5544 conditions per place. [2021-03-26 13:26:40,952 INFO L142 LiptonReduction]: Number of co-enabled transitions 6600 [2021-03-26 13:26:41,275 INFO L154 LiptonReduction]: Checked pairs total: 1782 [2021-03-26 13:26:41,275 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-26 13:26:41,277 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3415 [2021-03-26 13:26:42,895 INFO L129 PetriNetUnfolder]: 20481/24600 cut-off events. [2021-03-26 13:26:42,895 INFO L130 PetriNetUnfolder]: For 24576/24576 co-relation queries the response was YES. [2021-03-26 13:26:42,895 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:26:42,896 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:26:42,897 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:26:42,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:26:42,902 INFO L82 PathProgramCache]: Analyzing trace with hash -362342045, now seen corresponding path program 1 times [2021-03-26 13:26:42,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:26:42,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847830668] [2021-03-26 13:26:42,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:26:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:26:43,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:43,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:43,047 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:43,048 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:26:43,054 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:43,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:43,057 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 13:26:43,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847830668] [2021-03-26 13:26:43,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:26:43,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:26:43,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191407090] [2021-03-26 13:26:43,066 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:26:43,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:26:43,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:26:43,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:26:43,082 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 207 [2021-03-26 13:26:43,086 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 169 transitions, 806 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:43,086 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:26:43,086 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 207 [2021-03-26 13:26:43,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:26:45,028 INFO L129 PetriNetUnfolder]: 18545/22433 cut-off events. [2021-03-26 13:26:45,029 INFO L130 PetriNetUnfolder]: For 26737/26737 co-relation queries the response was YES. [2021-03-26 13:26:45,365 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46696 conditions, 22433 events. 18545/22433 cut-off events. For 26737/26737 co-relation queries the response was YES. Maximal size of possible extension queue 988. Compared 107184 event pairs, 0 based on Foata normal form. 232/22665 useless extension candidates. Maximal degree in co-relation 22561. Up to 5544 conditions per place. [2021-03-26 13:26:45,512 INFO L132 encePairwiseOnDemand]: 202/207 looper letters, 8 selfloop transitions, 1 changer transitions 0/165 dead transitions. [2021-03-26 13:26:45,512 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 165 transitions, 804 flow [2021-03-26 13:26:45,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:26:45,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:26:45,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2021-03-26 13:26:45,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9581320450885669 [2021-03-26 13:26:45,538 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2021-03-26 13:26:45,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2021-03-26 13:26:45,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:26:45,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2021-03-26 13:26:45,553 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states 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 13:26:45,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:45,564 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:45,565 INFO L185 Difference]: Start difference. First operand has 74 places, 169 transitions, 806 flow. Second operand 3 states and 595 transitions. [2021-03-26 13:26:45,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 165 transitions, 804 flow [2021-03-26 13:26:45,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 165 transitions, 500 flow, removed 0 selfloop flow, removed 24 redundant places. [2021-03-26 13:26:45,938 INFO L241 Difference]: Finished difference. Result has 52 places, 165 transitions, 484 flow [2021-03-26 13:26:45,940 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=484, PETRI_PLACES=52, PETRI_TRANSITIONS=165} [2021-03-26 13:26:45,941 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, -22 predicate places. [2021-03-26 13:26:45,941 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:26:45,942 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 165 transitions, 484 flow [2021-03-26 13:26:45,942 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 165 transitions, 484 flow [2021-03-26 13:26:45,943 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 165 transitions, 484 flow [2021-03-26 13:26:46,971 INFO L129 PetriNetUnfolder]: 18545/22433 cut-off events. [2021-03-26 13:26:46,971 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:26:47,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22448 conditions, 22433 events. 18545/22433 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1095. Compared 91477 event pairs, 0 based on Foata normal form. 0/22433 useless extension candidates. Maximal degree in co-relation 22435. Up to 5544 conditions per place. [2021-03-26 13:26:47,220 INFO L142 LiptonReduction]: Number of co-enabled transitions 3080 [2021-03-26 13:26:47,241 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:26:47,241 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:26:47,242 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1301 [2021-03-26 13:26:47,243 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 165 transitions, 484 flow [2021-03-26 13:26:47,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:47,243 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:26:47,244 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:26:47,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 13:26:47,244 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:26:47,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:26:47,246 INFO L82 PathProgramCache]: Analyzing trace with hash 765142597, now seen corresponding path program 1 times [2021-03-26 13:26:47,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:26:47,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307440007] [2021-03-26 13:26:47,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:26:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:26:47,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:47,302 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:47,303 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:47,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:26:47,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:47,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:47,310 INFO 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 13:26:47,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307440007] [2021-03-26 13:26:47,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:26:47,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:26:47,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84945864] [2021-03-26 13:26:47,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:26:47,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:26:47,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:26:47,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:26:47,322 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 207 [2021-03-26 13:26:47,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 165 transitions, 484 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:47,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:26:47,324 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 207 [2021-03-26 13:26:47,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:26:48,207 INFO L129 PetriNetUnfolder]: 18445/22322 cut-off events. [2021-03-26 13:26:48,208 INFO L130 PetriNetUnfolder]: For 1872/1872 co-relation queries the response was YES. [2021-03-26 13:26:48,316 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24200 conditions, 22322 events. 18445/22322 cut-off events. For 1872/1872 co-relation queries the response was YES. Maximal size of possible extension queue 988. Compared 102064 event pairs, 0 based on Foata normal form. 11/22333 useless extension candidates. Maximal degree in co-relation 24185. Up to 5544 conditions per place. [2021-03-26 13:26:48,418 INFO L132 encePairwiseOnDemand]: 204/207 looper letters, 10 selfloop transitions, 1 changer transitions 0/163 dead transitions. [2021-03-26 13:26:48,419 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 163 transitions, 500 flow [2021-03-26 13:26:48,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:26:48,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:26:48,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2021-03-26 13:26:48,421 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9581320450885669 [2021-03-26 13:26:48,421 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2021-03-26 13:26:48,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2021-03-26 13:26:48,422 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:26:48,422 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2021-03-26 13:26:48,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states 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 13:26:48,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:48,426 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:48,427 INFO L185 Difference]: Start difference. First operand has 52 places, 165 transitions, 484 flow. Second operand 3 states and 595 transitions. [2021-03-26 13:26:48,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 163 transitions, 500 flow [2021-03-26 13:26:48,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 163 transitions, 499 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:26:48,449 INFO L241 Difference]: Finished difference. Result has 53 places, 163 transitions, 479 flow [2021-03-26 13:26:48,450 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=477, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=479, PETRI_PLACES=53, PETRI_TRANSITIONS=163} [2021-03-26 13:26:48,450 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, -21 predicate places. [2021-03-26 13:26:48,451 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:26:48,451 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 163 transitions, 479 flow [2021-03-26 13:26:48,451 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 163 transitions, 479 flow [2021-03-26 13:26:48,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 163 transitions, 479 flow [2021-03-26 13:26:49,112 INFO L129 PetriNetUnfolder]: 18445/22322 cut-off events. [2021-03-26 13:26:49,112 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:26:49,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22338 conditions, 22322 events. 18445/22322 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1095. Compared 91078 event pairs, 0 based on Foata normal form. 0/22322 useless extension candidates. Maximal degree in co-relation 22329. Up to 5544 conditions per place. [2021-03-26 13:26:49,437 INFO L142 LiptonReduction]: Number of co-enabled transitions 3036 [2021-03-26 13:26:49,448 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:26:49,448 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:26:49,448 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 997 [2021-03-26 13:26:49,449 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 163 transitions, 479 flow [2021-03-26 13:26:49,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:49,450 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:26:49,450 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:26:49,450 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 13:26:49,451 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:26:49,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:26:49,451 INFO L82 PathProgramCache]: Analyzing trace with hash -492654989, now seen corresponding path program 1 times [2021-03-26 13:26:49,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:26:49,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005055722] [2021-03-26 13:26:49,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:26:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:26:49,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:49,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:49,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:49,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:26:49,479 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:49,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:49,480 INFO 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 13:26:49,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005055722] [2021-03-26 13:26:49,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:26:49,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:26:49,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313010774] [2021-03-26 13:26:49,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:26:49,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:26:49,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:26:49,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:26:49,483 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 207 [2021-03-26 13:26:49,484 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 163 transitions, 479 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:49,484 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:26:49,484 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 207 [2021-03-26 13:26:49,484 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:26:50,075 INFO L129 PetriNetUnfolder]: 12082/14992 cut-off events. [2021-03-26 13:26:50,075 INFO L130 PetriNetUnfolder]: For 1862/1862 co-relation queries the response was YES. [2021-03-26 13:26:50,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16034 conditions, 14992 events. 12082/14992 cut-off events. For 1862/1862 co-relation queries the response was YES. Maximal size of possible extension queue 814. Compared 71746 event pairs, 0 based on Foata normal form. 838/15830 useless extension candidates. Maximal degree in co-relation 16024. Up to 3960 conditions per place. [2021-03-26 13:26:50,225 INFO L132 encePairwiseOnDemand]: 200/207 looper letters, 6 selfloop transitions, 1 changer transitions 0/157 dead transitions. [2021-03-26 13:26:50,226 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 157 transitions, 475 flow [2021-03-26 13:26:50,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:26:50,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:26:50,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2021-03-26 13:26:50,228 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9581320450885669 [2021-03-26 13:26:50,228 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2021-03-26 13:26:50,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2021-03-26 13:26:50,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:26:50,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2021-03-26 13:26:50,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states 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 13:26:50,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:50,233 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:50,233 INFO L185 Difference]: Start difference. First operand has 53 places, 163 transitions, 479 flow. Second operand 3 states and 595 transitions. [2021-03-26 13:26:50,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 157 transitions, 475 flow [2021-03-26 13:26:50,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 157 transitions, 474 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:26:50,252 INFO L241 Difference]: Finished difference. Result has 54 places, 157 transitions, 462 flow [2021-03-26 13:26:50,253 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=54, PETRI_TRANSITIONS=157} [2021-03-26 13:26:50,253 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, -20 predicate places. [2021-03-26 13:26:50,253 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:26:50,253 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 157 transitions, 462 flow [2021-03-26 13:26:50,254 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 157 transitions, 462 flow [2021-03-26 13:26:50,254 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 157 transitions, 462 flow [2021-03-26 13:26:50,778 INFO L129 PetriNetUnfolder]: 12082/14992 cut-off events. [2021-03-26 13:26:50,778 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:26:50,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15009 conditions, 14992 events. 12082/14992 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 884. Compared 63030 event pairs, 0 based on Foata normal form. 0/14992 useless extension candidates. Maximal degree in co-relation 15000. Up to 3960 conditions per place. [2021-03-26 13:26:51,008 INFO L142 LiptonReduction]: Number of co-enabled transitions 2904 [2021-03-26 13:26:51,019 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:26:51,019 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:26:51,019 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 766 [2021-03-26 13:26:51,020 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 157 transitions, 462 flow [2021-03-26 13:26:51,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:51,021 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:26:51,021 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:26:51,021 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 13:26:51,022 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:26:51,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:26:51,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1096979889, now seen corresponding path program 1 times [2021-03-26 13:26:51,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:26:51,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942412891] [2021-03-26 13:26:51,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:26:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:26:51,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:51,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:51,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:51,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:26:51,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:51,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:51,076 INFO 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 13:26:51,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942412891] [2021-03-26 13:26:51,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:26:51,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:26:51,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845949762] [2021-03-26 13:26:51,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:26:51,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:26:51,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:26:51,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:26:51,081 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 207 [2021-03-26 13:26:51,081 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 157 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:51,082 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:26:51,082 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 207 [2021-03-26 13:26:51,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:26:51,681 INFO L129 PetriNetUnfolder]: 11766/14631 cut-off events. [2021-03-26 13:26:51,681 INFO L130 PetriNetUnfolder]: For 1271/1271 co-relation queries the response was YES. [2021-03-26 13:26:51,754 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15884 conditions, 14631 events. 11766/14631 cut-off events. For 1271/1271 co-relation queries the response was YES. Maximal size of possible extension queue 814. Compared 72193 event pairs, 0 based on Foata normal form. 37/14668 useless extension candidates. Maximal degree in co-relation 15874. Up to 3960 conditions per place. [2021-03-26 13:26:51,815 INFO L132 encePairwiseOnDemand]: 203/207 looper letters, 9 selfloop transitions, 1 changer transitions 0/154 dead transitions. [2021-03-26 13:26:51,815 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 154 transitions, 473 flow [2021-03-26 13:26:51,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:26:51,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:26:51,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2021-03-26 13:26:51,817 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9581320450885669 [2021-03-26 13:26:51,817 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2021-03-26 13:26:51,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2021-03-26 13:26:51,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:26:51,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2021-03-26 13:26:51,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states 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 13:26:51,822 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:51,822 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:51,823 INFO L185 Difference]: Start difference. First operand has 54 places, 157 transitions, 462 flow. Second operand 3 states and 595 transitions. [2021-03-26 13:26:51,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 154 transitions, 473 flow [2021-03-26 13:26:51,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 154 transitions, 472 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:26:51,841 INFO L241 Difference]: Finished difference. Result has 55 places, 154 transitions, 454 flow [2021-03-26 13:26:51,842 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=55, PETRI_TRANSITIONS=154} [2021-03-26 13:26:51,842 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, -19 predicate places. [2021-03-26 13:26:51,842 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:26:51,843 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 154 transitions, 454 flow [2021-03-26 13:26:51,843 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 154 transitions, 454 flow [2021-03-26 13:26:51,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 154 transitions, 454 flow [2021-03-26 13:26:52,369 INFO L129 PetriNetUnfolder]: 11766/14631 cut-off events. [2021-03-26 13:26:52,369 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:26:52,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14649 conditions, 14631 events. 11766/14631 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 883. Compared 60988 event pairs, 0 based on Foata normal form. 0/14631 useless extension candidates. Maximal degree in co-relation 14640. Up to 3960 conditions per place. [2021-03-26 13:26:52,614 INFO L142 LiptonReduction]: Number of co-enabled transitions 2838 [2021-03-26 13:26:52,624 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:26:52,624 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:26:52,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 782 [2021-03-26 13:26:52,625 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 154 transitions, 454 flow [2021-03-26 13:26:52,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:52,626 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:26:52,626 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:26:52,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 13:26:52,626 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:26:52,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:26:52,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1462307013, now seen corresponding path program 1 times [2021-03-26 13:26:52,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:26:52,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140386791] [2021-03-26 13:26:52,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:26:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:26:52,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:52,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:52,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:52,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:26:52,649 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:52,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:52,650 INFO 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 13:26:52,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140386791] [2021-03-26 13:26:52,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:26:52,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:26:52,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660888579] [2021-03-26 13:26:52,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:26:52,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:26:52,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:26:52,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:26:52,653 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 207 [2021-03-26 13:26:52,654 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 154 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:52,654 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:26:52,654 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 207 [2021-03-26 13:26:52,654 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:26:52,897 INFO L129 PetriNetUnfolder]: 4400/5726 cut-off events. [2021-03-26 13:26:52,898 INFO L130 PetriNetUnfolder]: For 1235/1235 co-relation queries the response was YES. [2021-03-26 13:26:52,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5813 conditions, 5726 events. 4400/5726 cut-off events. For 1235/1235 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 27833 event pairs, 0 based on Foata normal form. 1168/6894 useless extension candidates. Maximal degree in co-relation 5803. Up to 1320 conditions per place. [2021-03-26 13:26:52,953 INFO L132 encePairwiseOnDemand]: 197/207 looper letters, 3 selfloop transitions, 1 changer transitions 0/145 dead transitions. [2021-03-26 13:26:52,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 145 transitions, 435 flow [2021-03-26 13:26:52,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:26:52,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:26:52,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2021-03-26 13:26:52,955 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9581320450885669 [2021-03-26 13:26:52,956 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2021-03-26 13:26:52,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2021-03-26 13:26:52,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:26:52,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2021-03-26 13:26:52,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states 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 13:26:52,960 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:52,961 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:52,961 INFO L185 Difference]: Start difference. First operand has 55 places, 154 transitions, 454 flow. Second operand 3 states and 595 transitions. [2021-03-26 13:26:52,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 145 transitions, 435 flow [2021-03-26 13:26:52,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 145 transitions, 434 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:26:52,966 INFO L241 Difference]: Finished difference. Result has 56 places, 145 transitions, 428 flow [2021-03-26 13:26:52,966 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=428, PETRI_PLACES=56, PETRI_TRANSITIONS=145} [2021-03-26 13:26:52,966 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, -18 predicate places. [2021-03-26 13:26:52,967 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:26:52,967 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 145 transitions, 428 flow [2021-03-26 13:26:52,967 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 145 transitions, 428 flow [2021-03-26 13:26:52,968 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 145 transitions, 428 flow [2021-03-26 13:26:53,155 INFO L129 PetriNetUnfolder]: 4400/5726 cut-off events. [2021-03-26 13:26:53,156 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:26:53,168 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5745 conditions, 5726 events. 4400/5726 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 23660 event pairs, 0 based on Foata normal form. 0/5726 useless extension candidates. Maximal degree in co-relation 5736. Up to 1320 conditions per place. [2021-03-26 13:26:53,206 INFO L142 LiptonReduction]: Number of co-enabled transitions 2640 [2021-03-26 13:26:53,212 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:26:53,213 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:26:53,213 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 246 [2021-03-26 13:26:53,214 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 145 transitions, 428 flow [2021-03-26 13:26:53,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:53,214 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:26:53,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:26:53,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 13:26:53,215 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:26:53,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:26:53,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1360011633, now seen corresponding path program 1 times [2021-03-26 13:26:53,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:26:53,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979239354] [2021-03-26 13:26:53,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:26:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:26:53,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:53,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:53,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:53,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:26:53,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:53,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:53,267 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 13:26:53,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979239354] [2021-03-26 13:26:53,268 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:26:53,268 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:26:53,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633898769] [2021-03-26 13:26:53,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:26:53,269 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:26:53,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:26:53,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:26:53,270 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 207 [2021-03-26 13:26:53,271 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 145 transitions, 428 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:53,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:26:53,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 207 [2021-03-26 13:26:53,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:26:53,462 INFO L129 PetriNetUnfolder]: 4394/5719 cut-off events. [2021-03-26 13:26:53,462 INFO L130 PetriNetUnfolder]: For 524/524 co-relation queries the response was YES. [2021-03-26 13:26:53,483 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6263 conditions, 5719 events. 4394/5719 cut-off events. For 524/524 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 27747 event pairs, 0 based on Foata normal form. 1/5720 useless extension candidates. Maximal degree in co-relation 6252. Up to 1320 conditions per place. [2021-03-26 13:26:53,502 INFO L132 encePairwiseOnDemand]: 205/207 looper letters, 11 selfloop transitions, 1 changer transitions 0/144 dead transitions. [2021-03-26 13:26:53,502 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 144 transitions, 449 flow [2021-03-26 13:26:53,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:26:53,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:26:53,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2021-03-26 13:26:53,504 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9581320450885669 [2021-03-26 13:26:53,504 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2021-03-26 13:26:53,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2021-03-26 13:26:53,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:26:53,504 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2021-03-26 13:26:53,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states 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 13:26:53,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:53,508 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:53,508 INFO L185 Difference]: Start difference. First operand has 56 places, 145 transitions, 428 flow. Second operand 3 states and 595 transitions. [2021-03-26 13:26:53,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 144 transitions, 449 flow [2021-03-26 13:26:53,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 144 transitions, 448 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:26:53,512 INFO L241 Difference]: Finished difference. Result has 57 places, 144 transitions, 426 flow [2021-03-26 13:26:53,512 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=426, PETRI_PLACES=57, PETRI_TRANSITIONS=144} [2021-03-26 13:26:53,513 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, -17 predicate places. [2021-03-26 13:26:53,513 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:26:53,513 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 144 transitions, 426 flow [2021-03-26 13:26:53,513 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 144 transitions, 426 flow [2021-03-26 13:26:53,514 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 144 transitions, 426 flow [2021-03-26 13:26:53,691 INFO L129 PetriNetUnfolder]: 4394/5719 cut-off events. [2021-03-26 13:26:53,691 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:26:53,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5739 conditions, 5719 events. 4394/5719 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 361. Compared 23664 event pairs, 0 based on Foata normal form. 0/5719 useless extension candidates. Maximal degree in co-relation 5732. Up to 1320 conditions per place. [2021-03-26 13:26:53,748 INFO L142 LiptonReduction]: Number of co-enabled transitions 2618 [2021-03-26 13:26:53,754 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:26:53,754 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:26:53,754 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 241 [2021-03-26 13:26:53,755 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 144 transitions, 426 flow [2021-03-26 13:26:53,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:53,756 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:26:53,756 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:26:53,756 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 13:26:53,757 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:26:53,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:26:53,757 INFO L82 PathProgramCache]: Analyzing trace with hash -814883171, now seen corresponding path program 1 times [2021-03-26 13:26:53,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:26:53,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88811040] [2021-03-26 13:26:53,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:26:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:26:53,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:53,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:53,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:53,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:26:53,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:53,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:53,779 INFO 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 13:26:53,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88811040] [2021-03-26 13:26:53,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:26:53,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:26:53,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484948266] [2021-03-26 13:26:53,780 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:26:53,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:26:53,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:26:53,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:26:53,781 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 207 [2021-03-26 13:26:53,782 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 144 transitions, 426 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:53,782 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:26:53,782 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 207 [2021-03-26 13:26:53,782 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:26:53,938 INFO L129 PetriNetUnfolder]: 3344/4459 cut-off events. [2021-03-26 13:26:53,939 INFO L130 PetriNetUnfolder]: For 523/523 co-relation queries the response was YES. [2021-03-26 13:26:53,949 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4878 conditions, 4459 events. 3344/4459 cut-off events. For 523/523 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 21529 event pairs, 0 based on Foata normal form. 126/4585 useless extension candidates. Maximal degree in co-relation 4870. Up to 1320 conditions per place. [2021-03-26 13:26:53,965 INFO L132 encePairwiseOnDemand]: 201/207 looper letters, 7 selfloop transitions, 1 changer transitions 0/139 dead transitions. [2021-03-26 13:26:53,965 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 139 transitions, 427 flow [2021-03-26 13:26:53,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:26:53,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:26:53,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2021-03-26 13:26:53,967 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9581320450885669 [2021-03-26 13:26:53,967 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2021-03-26 13:26:53,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2021-03-26 13:26:53,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:26:53,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2021-03-26 13:26:53,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states 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 13:26:53,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:53,971 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:53,971 INFO L185 Difference]: Start difference. First operand has 57 places, 144 transitions, 426 flow. Second operand 3 states and 595 transitions. [2021-03-26 13:26:53,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 139 transitions, 427 flow [2021-03-26 13:26:53,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 139 transitions, 426 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:26:53,975 INFO L241 Difference]: Finished difference. Result has 58 places, 139 transitions, 412 flow [2021-03-26 13:26:53,976 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=58, PETRI_TRANSITIONS=139} [2021-03-26 13:26:53,976 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, -16 predicate places. [2021-03-26 13:26:53,976 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:26:53,976 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 139 transitions, 412 flow [2021-03-26 13:26:53,976 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 139 transitions, 412 flow [2021-03-26 13:26:53,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 139 transitions, 412 flow [2021-03-26 13:26:54,112 INFO L129 PetriNetUnfolder]: 3344/4459 cut-off events. [2021-03-26 13:26:54,113 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:26:54,121 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4480 conditions, 4459 events. 3344/4459 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 18886 event pairs, 0 based on Foata normal form. 0/4459 useless extension candidates. Maximal degree in co-relation 4473. Up to 1320 conditions per place. [2021-03-26 13:26:54,149 INFO L142 LiptonReduction]: Number of co-enabled transitions 2508 [2021-03-26 13:26:54,156 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:26:54,156 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:26:54,156 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 180 [2021-03-26 13:26:54,157 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 139 transitions, 412 flow [2021-03-26 13:26:54,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:54,158 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:26:54,158 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:26:54,158 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 13:26:54,158 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:26:54,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:26:54,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1608903771, now seen corresponding path program 1 times [2021-03-26 13:26:54,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:26:54,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538916474] [2021-03-26 13:26:54,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:26:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:26:54,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:54,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:54,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:54,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:26:54,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:54,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:54,179 INFO 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 13:26:54,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538916474] [2021-03-26 13:26:54,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:26:54,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:26:54,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982191110] [2021-03-26 13:26:54,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:26:54,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:26:54,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:26:54,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:26:54,182 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 207 [2021-03-26 13:26:54,182 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 139 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:54,183 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:26:54,183 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 207 [2021-03-26 13:26:54,183 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:26:54,276 INFO L129 PetriNetUnfolder]: 1136/1669 cut-off events. [2021-03-26 13:26:54,277 INFO L130 PetriNetUnfolder]: For 397/397 co-relation queries the response was YES. [2021-03-26 13:26:54,281 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1759 conditions, 1669 events. 1136/1669 cut-off events. For 397/397 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 7619 event pairs, 0 based on Foata normal form. 330/1999 useless extension candidates. Maximal degree in co-relation 1751. Up to 360 conditions per place. [2021-03-26 13:26:54,287 INFO L132 encePairwiseOnDemand]: 198/207 looper letters, 4 selfloop transitions, 1 changer transitions 0/131 dead transitions. [2021-03-26 13:26:54,287 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 131 transitions, 398 flow [2021-03-26 13:26:54,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:26:54,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:26:54,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2021-03-26 13:26:54,289 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9581320450885669 [2021-03-26 13:26:54,289 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2021-03-26 13:26:54,289 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2021-03-26 13:26:54,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:26:54,290 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2021-03-26 13:26:54,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states 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 13:26:54,292 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:54,293 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:54,293 INFO L185 Difference]: Start difference. First operand has 58 places, 139 transitions, 412 flow. Second operand 3 states and 595 transitions. [2021-03-26 13:26:54,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 131 transitions, 398 flow [2021-03-26 13:26:54,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 131 transitions, 397 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:26:54,297 INFO L241 Difference]: Finished difference. Result has 59 places, 131 transitions, 389 flow [2021-03-26 13:26:54,297 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=389, PETRI_PLACES=59, PETRI_TRANSITIONS=131} [2021-03-26 13:26:54,297 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, -15 predicate places. [2021-03-26 13:26:54,297 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:26:54,298 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 131 transitions, 389 flow [2021-03-26 13:26:54,298 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 131 transitions, 389 flow [2021-03-26 13:26:54,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 131 transitions, 389 flow [2021-03-26 13:26:54,361 INFO L129 PetriNetUnfolder]: 1136/1669 cut-off events. [2021-03-26 13:26:54,361 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:26:54,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1691 conditions, 1669 events. 1136/1669 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 6912 event pairs, 0 based on Foata normal form. 0/1669 useless extension candidates. Maximal degree in co-relation 1684. Up to 360 conditions per place. [2021-03-26 13:26:54,373 INFO L142 LiptonReduction]: Number of co-enabled transitions 2332 [2021-03-26 13:26:54,378 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:26:54,378 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:26:54,378 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 81 [2021-03-26 13:26:54,379 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 131 transitions, 389 flow [2021-03-26 13:26:54,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:54,379 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:26:54,379 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:26:54,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 13:26:54,380 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:26:54,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:26:54,380 INFO L82 PathProgramCache]: Analyzing trace with hash 575176761, now seen corresponding path program 1 times [2021-03-26 13:26:54,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:26:54,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858492674] [2021-03-26 13:26:54,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:26:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:26:54,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:54,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:54,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:54,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:26:54,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:54,401 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:54,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:26:54,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858492674] [2021-03-26 13:26:54,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:26:54,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:26:54,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409380448] [2021-03-26 13:26:54,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:26:54,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:26:54,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:26:54,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:26:54,403 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 207 [2021-03-26 13:26:54,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 131 transitions, 389 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:54,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:26:54,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 207 [2021-03-26 13:26:54,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:26:54,448 INFO L129 PetriNetUnfolder]: 506/829 cut-off events. [2021-03-26 13:26:54,448 INFO L130 PetriNetUnfolder]: For 151/151 co-relation queries the response was YES. [2021-03-26 13:26:54,449 INFO L84 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 829 events. 506/829 cut-off events. For 151/151 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3588 event pairs, 0 based on Foata normal form. 84/913 useless extension candidates. Maximal degree in co-relation 912. Up to 165 conditions per place. [2021-03-26 13:26:54,452 INFO L132 encePairwiseOnDemand]: 199/207 looper letters, 5 selfloop transitions, 1 changer transitions 0/124 dead transitions. [2021-03-26 13:26:54,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 124 transitions, 380 flow [2021-03-26 13:26:54,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:26:54,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:26:54,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2021-03-26 13:26:54,454 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9581320450885669 [2021-03-26 13:26:54,454 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2021-03-26 13:26:54,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2021-03-26 13:26:54,454 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:26:54,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2021-03-26 13:26:54,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states 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 13:26:54,457 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:54,457 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:54,458 INFO L185 Difference]: Start difference. First operand has 59 places, 131 transitions, 389 flow. Second operand 3 states and 595 transitions. [2021-03-26 13:26:54,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 124 transitions, 380 flow [2021-03-26 13:26:54,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 124 transitions, 379 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:26:54,461 INFO L241 Difference]: Finished difference. Result has 60 places, 124 transitions, 369 flow [2021-03-26 13:26:54,461 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=367, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=369, PETRI_PLACES=60, PETRI_TRANSITIONS=124} [2021-03-26 13:26:54,461 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, -14 predicate places. [2021-03-26 13:26:54,461 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:26:54,461 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 124 transitions, 369 flow [2021-03-26 13:26:54,462 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 124 transitions, 369 flow [2021-03-26 13:26:54,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 124 transitions, 369 flow [2021-03-26 13:26:54,495 INFO L129 PetriNetUnfolder]: 506/829 cut-off events. [2021-03-26 13:26:54,495 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:26:54,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 852 conditions, 829 events. 506/829 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3357 event pairs, 0 based on Foata normal form. 0/829 useless extension candidates. Maximal degree in co-relation 845. Up to 165 conditions per place. [2021-03-26 13:26:54,502 INFO L142 LiptonReduction]: Number of co-enabled transitions 2178 [2021-03-26 13:26:54,509 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:26:54,509 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:26:54,510 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-26 13:26:54,510 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 124 transitions, 369 flow [2021-03-26 13:26:54,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:54,511 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:26:54,511 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:26:54,511 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 13:26:54,511 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:26:54,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:26:54,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1315532493, now seen corresponding path program 1 times [2021-03-26 13:26:54,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:26:54,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539491294] [2021-03-26 13:26:54,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:26:54,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:26:54,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:54,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:54,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:54,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:26:54,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:54,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:54,530 INFO 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 13:26:54,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539491294] [2021-03-26 13:26:54,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:26:54,530 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:26:54,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626899724] [2021-03-26 13:26:54,531 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:26:54,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:26:54,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:26:54,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:26:54,532 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 207 [2021-03-26 13:26:54,533 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 124 transitions, 369 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:54,533 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:26:54,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 207 [2021-03-26 13:26:54,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:26:54,557 INFO L129 PetriNetUnfolder]: 66/169 cut-off events. [2021-03-26 13:26:54,557 INFO L130 PetriNetUnfolder]: For 67/67 co-relation queries the response was YES. [2021-03-26 13:26:54,558 INFO L84 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 169 events. 66/169 cut-off events. For 67/67 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 507 event pairs, 0 based on Foata normal form. 55/224 useless extension candidates. Maximal degree in co-relation 198. Up to 22 conditions per place. [2021-03-26 13:26:54,558 INFO L132 encePairwiseOnDemand]: 196/207 looper letters, 2 selfloop transitions, 1 changer transitions 0/114 dead transitions. [2021-03-26 13:26:54,558 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 114 transitions, 345 flow [2021-03-26 13:26:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:26:54,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:26:54,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2021-03-26 13:26:54,560 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9581320450885669 [2021-03-26 13:26:54,560 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2021-03-26 13:26:54,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2021-03-26 13:26:54,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:26:54,561 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2021-03-26 13:26:54,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states 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 13:26:54,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:54,564 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:54,564 INFO L185 Difference]: Start difference. First operand has 60 places, 124 transitions, 369 flow. Second operand 3 states and 595 transitions. [2021-03-26 13:26:54,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 114 transitions, 345 flow [2021-03-26 13:26:54,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 114 transitions, 344 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:26:54,566 INFO L241 Difference]: Finished difference. Result has 61 places, 114 transitions, 340 flow [2021-03-26 13:26:54,567 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=61, PETRI_TRANSITIONS=114} [2021-03-26 13:26:54,567 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, -13 predicate places. [2021-03-26 13:26:54,567 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:26:54,567 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 114 transitions, 340 flow [2021-03-26 13:26:54,568 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 114 transitions, 340 flow [2021-03-26 13:26:54,568 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 114 transitions, 340 flow [2021-03-26 13:26:54,576 INFO L129 PetriNetUnfolder]: 66/169 cut-off events. [2021-03-26 13:26:54,577 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:26:54,577 INFO L84 FinitePrefix]: Finished finitePrefix Result has 193 conditions, 169 events. 66/169 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 480 event pairs, 0 based on Foata normal form. 0/169 useless extension candidates. Maximal degree in co-relation 186. Up to 22 conditions per place. [2021-03-26 13:26:54,578 INFO L142 LiptonReduction]: Number of co-enabled transitions 1078 [2021-03-26 13:26:54,584 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:26:54,584 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:26:54,585 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-26 13:26:54,586 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 114 transitions, 340 flow [2021-03-26 13:26:54,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:54,586 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:26:54,586 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:26:54,587 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 13:26:54,587 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:26:54,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:26:54,587 INFO L82 PathProgramCache]: Analyzing trace with hash 16100129, now seen corresponding path program 1 times [2021-03-26 13:26:54,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:26:54,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000098081] [2021-03-26 13:26:54,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:26:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:26:54,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:54,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:54,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:54,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 13:26:54,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:54,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:54,644 INFO 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 13:26:54,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000098081] [2021-03-26 13:26:54,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:26:54,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 13:26:54,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586494504] [2021-03-26 13:26:54,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 13:26:54,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:26:54,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 13:26:54,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 13:26:54,647 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 207 [2021-03-26 13:26:54,648 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 114 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:54,648 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:26:54,648 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 207 [2021-03-26 13:26:54,649 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:26:54,675 INFO L129 PetriNetUnfolder]: 0/37 cut-off events. [2021-03-26 13:26:54,675 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-03-26 13:26:54,675 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 37 events. 0/37 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 11/48 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 13:26:54,675 INFO L132 encePairwiseOnDemand]: 195/207 looper letters, 1 selfloop transitions, 1 changer transitions 0/37 dead transitions. [2021-03-26 13:26:54,675 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 37 transitions, 113 flow [2021-03-26 13:26:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 13:26:54,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 13:26:54,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2021-03-26 13:26:54,678 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9581320450885669 [2021-03-26 13:26:54,679 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 595 transitions. [2021-03-26 13:26:54,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 595 transitions. [2021-03-26 13:26:54,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:26:54,679 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 595 transitions. [2021-03-26 13:26:54,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states 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 13:26:54,684 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:54,685 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 0 states have call successors, (0), 0 states 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 13:26:54,685 INFO L185 Difference]: Start difference. First operand has 61 places, 114 transitions, 340 flow. Second operand 3 states and 595 transitions. [2021-03-26 13:26:54,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 37 transitions, 113 flow [2021-03-26 13:26:54,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 37 transitions, 112 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:26:54,687 INFO L241 Difference]: Finished difference. Result has 62 places, 37 transitions, 110 flow [2021-03-26 13:26:54,687 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=62, PETRI_TRANSITIONS=37} [2021-03-26 13:26:54,688 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, -12 predicate places. [2021-03-26 13:26:54,688 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:26:54,688 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 37 transitions, 110 flow [2021-03-26 13:26:54,688 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 37 transitions, 110 flow [2021-03-26 13:26:54,689 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 37 transitions, 110 flow [2021-03-26 13:26:54,694 INFO L129 PetriNetUnfolder]: 0/37 cut-off events. [2021-03-26 13:26:54,694 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:26:54,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 37 events. 0/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 16 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-03-26 13:26:54,695 INFO L142 LiptonReduction]: Number of co-enabled transitions 396 [2021-03-26 13:26:54,696 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:26:54,697 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:26:54,697 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-26 13:26:54,700 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 37 transitions, 110 flow [2021-03-26 13:26:54,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 13:26:54,701 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:26:54,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:26:54,701 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 13:26:54,701 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:26:54,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:26:54,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1754571623, now seen corresponding path program 1 times [2021-03-26 13:26:54,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:26:54,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200678882] [2021-03-26 13:26:54,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:26:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:26:54,836 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:54,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:54,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:54,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:26:54,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:54,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:26:54,920 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:26:54,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:26:54,971 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 13:26:54,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 13:26:55,008 INFO L142 QuantifierPusher]: treesize reduction 9, result has 81.3 percent of original size [2021-03-26 13:26:55,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 13:26:55,058 INFO L142 QuantifierPusher]: treesize reduction 18, result has 72.3 percent of original size [2021-03-26 13:26:55,062 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-26 13:26:55,130 INFO L142 QuantifierPusher]: treesize reduction 36, result has 61.3 percent of original size [2021-03-26 13:26:55,134 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-03-26 13:26:55,217 INFO L142 QuantifierPusher]: treesize reduction 45, result has 59.1 percent of original size [2021-03-26 13:26:55,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:26:55,336 INFO L142 QuantifierPusher]: treesize reduction 54, result has 57.5 percent of original size [2021-03-26 13:26:55,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 13:26:55,469 INFO L142 QuantifierPusher]: treesize reduction 72, result has 51.7 percent of original size [2021-03-26 13:26:55,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-26 13:26:55,555 INFO L142 QuantifierPusher]: treesize reduction 81, result has 51.2 percent of original size [2021-03-26 13:26:55,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:26:55,649 INFO L142 QuantifierPusher]: treesize reduction 99, result has 47.3 percent of original size [2021-03-26 13:26:55,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:26:55,723 INFO 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 13:26:55,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200678882] [2021-03-26 13:26:55,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:26:55,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-26 13:26:55,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575650005] [2021-03-26 13:26:55,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:26:55,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:26:55,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:26:55,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:26:55,730 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 207 [2021-03-26 13:26:55,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 37 transitions, 110 flow. Second operand has 14 states, 14 states have (on average 181.92857142857142) internal successors, (2547), 14 states have internal predecessors, (2547), 0 states have call successors, (0), 0 states 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 13:26:55,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:26:55,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 207 [2021-03-26 13:26:55,732 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:26:58,042 INFO L129 PetriNetUnfolder]: 27651/34629 cut-off events. [2021-03-26 13:26:58,042 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 13:26:58,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68459 conditions, 34629 events. 27651/34629 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1895. Compared 167106 event pairs, 9217 based on Foata normal form. 1/34024 useless extension candidates. Maximal degree in co-relation 68451. Up to 12289 conditions per place. [2021-03-26 13:26:58,451 INFO L132 encePairwiseOnDemand]: 194/207 looper letters, 77 selfloop transitions, 11 changer transitions 1/113 dead transitions. [2021-03-26 13:26:58,452 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 113 transitions, 440 flow [2021-03-26 13:26:58,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 13:26:58,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 13:26:58,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2624 transitions. [2021-03-26 13:26:58,457 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9054520358868184 [2021-03-26 13:26:58,457 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2624 transitions. [2021-03-26 13:26:58,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2624 transitions. [2021-03-26 13:26:58,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:26:58,458 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2624 transitions. [2021-03-26 13:26:58,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 187.42857142857142) internal successors, (2624), 14 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states 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 13:26:58,468 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 207.0) internal successors, (3105), 15 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states 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 13:26:58,469 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 207.0) internal successors, (3105), 15 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states 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 13:26:58,469 INFO L185 Difference]: Start difference. First operand has 62 places, 37 transitions, 110 flow. Second operand 14 states and 2624 transitions. [2021-03-26 13:26:58,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 113 transitions, 440 flow [2021-03-26 13:26:58,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 113 transitions, 439 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 13:26:58,474 INFO L241 Difference]: Finished difference. Result has 86 places, 47 transitions, 196 flow [2021-03-26 13:26:58,474 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=196, PETRI_PLACES=86, PETRI_TRANSITIONS=47} [2021-03-26 13:26:58,474 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, 12 predicate places. [2021-03-26 13:26:58,474 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:26:58,474 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 47 transitions, 196 flow [2021-03-26 13:26:58,475 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 47 transitions, 196 flow [2021-03-26 13:26:58,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 47 transitions, 196 flow [2021-03-26 13:26:58,487 INFO L129 PetriNetUnfolder]: 0/153 cut-off events. [2021-03-26 13:26:58,488 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2021-03-26 13:26:58,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 153 events. 0/153 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 722 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2021-03-26 13:26:58,489 INFO L142 LiptonReduction]: Number of co-enabled transitions 574 [2021-03-26 13:26:58,491 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:26:58,491 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:26:58,491 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 17 [2021-03-26 13:26:58,492 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 47 transitions, 196 flow [2021-03-26 13:26:58,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 181.92857142857142) internal successors, (2547), 14 states have internal predecessors, (2547), 0 states have call successors, (0), 0 states 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 13:26:58,493 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:26:58,493 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:26:58,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 13:26:58,493 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:26:58,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:26:58,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1150671761, now seen corresponding path program 2 times [2021-03-26 13:26:58,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:26:58,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722496383] [2021-03-26 13:26:58,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:26:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:26:58,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:58,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:26:58,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:58,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:26:58,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:26:58,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:26:58,581 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:26:58,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:26:58,599 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:26:58,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:26:58,620 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:26:58,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:26:58,648 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:26:58,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:26:58,685 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 13:26:58,687 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:26:58,733 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:26:58,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:26:58,789 INFO L142 QuantifierPusher]: treesize reduction 63, result has 52.3 percent of original size [2021-03-26 13:26:58,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:26:58,852 INFO L142 QuantifierPusher]: treesize reduction 72, result has 51.7 percent of original size [2021-03-26 13:26:58,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-03-26 13:26:58,927 INFO L142 QuantifierPusher]: treesize reduction 90, result has 49.2 percent of original size [2021-03-26 13:26:58,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-26 13:26:59,002 INFO L142 QuantifierPusher]: treesize reduction 99, result has 47.3 percent of original size [2021-03-26 13:26:59,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:26:59,078 INFO 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 13:26:59,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722496383] [2021-03-26 13:26:59,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:26:59,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-26 13:26:59,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204424696] [2021-03-26 13:26:59,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:26:59,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:26:59,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:26:59,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:26:59,081 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 207 [2021-03-26 13:26:59,083 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 47 transitions, 196 flow. Second operand has 14 states, 14 states have (on average 181.92857142857142) internal successors, (2547), 14 states have internal predecessors, (2547), 0 states have call successors, (0), 0 states 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 13:26:59,083 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:26:59,083 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 207 [2021-03-26 13:26:59,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:27:03,678 INFO L129 PetriNetUnfolder]: 37022/53020 cut-off events. [2021-03-26 13:27:03,679 INFO L130 PetriNetUnfolder]: For 56325/56789 co-relation queries the response was YES. [2021-03-26 13:27:04,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 148639 conditions, 53020 events. 37022/53020 cut-off events. For 56325/56789 co-relation queries the response was YES. Maximal size of possible extension queue 2843. Compared 375682 event pairs, 12291 based on Foata normal form. 1/52409 useless extension candidates. Maximal degree in co-relation 148619. Up to 16970 conditions per place. [2021-03-26 13:27:04,516 INFO L132 encePairwiseOnDemand]: 194/207 looper letters, 114 selfloop transitions, 17 changer transitions 2/157 dead transitions. [2021-03-26 13:27:04,516 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 157 transitions, 981 flow [2021-03-26 13:27:04,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 13:27:04,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 13:27:04,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2624 transitions. [2021-03-26 13:27:04,520 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9054520358868184 [2021-03-26 13:27:04,520 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2624 transitions. [2021-03-26 13:27:04,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2624 transitions. [2021-03-26 13:27:04,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:27:04,522 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2624 transitions. [2021-03-26 13:27:04,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 187.42857142857142) internal successors, (2624), 14 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states 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 13:27:04,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 207.0) internal successors, (3105), 15 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states 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 13:27:04,534 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 207.0) internal successors, (3105), 15 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states 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 13:27:04,535 INFO L185 Difference]: Start difference. First operand has 85 places, 47 transitions, 196 flow. Second operand 14 states and 2624 transitions. [2021-03-26 13:27:04,535 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 157 transitions, 981 flow [2021-03-26 13:27:04,616 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 157 transitions, 947 flow, removed 11 selfloop flow, removed 2 redundant places. [2021-03-26 13:27:04,619 INFO L241 Difference]: Finished difference. Result has 108 places, 63 transitions, 372 flow [2021-03-26 13:27:04,620 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=193, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=372, PETRI_PLACES=108, PETRI_TRANSITIONS=63} [2021-03-26 13:27:04,620 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, 34 predicate places. [2021-03-26 13:27:04,620 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:27:04,620 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 63 transitions, 372 flow [2021-03-26 13:27:04,621 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 63 transitions, 372 flow [2021-03-26 13:27:04,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 63 transitions, 372 flow [2021-03-26 13:27:04,688 INFO L129 PetriNetUnfolder]: 0/539 cut-off events. [2021-03-26 13:27:04,688 INFO L130 PetriNetUnfolder]: For 227/251 co-relation queries the response was YES. [2021-03-26 13:27:04,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 881 conditions, 539 events. 0/539 cut-off events. For 227/251 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5001 event pairs, 0 based on Foata normal form. 0/465 useless extension candidates. Maximal degree in co-relation 0. Up to 54 conditions per place. [2021-03-26 13:27:04,694 INFO L142 LiptonReduction]: Number of co-enabled transitions 868 [2021-03-26 13:27:04,696 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:27:04,697 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:27:04,697 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 77 [2021-03-26 13:27:04,697 INFO L480 AbstractCegarLoop]: Abstraction has has 107 places, 63 transitions, 372 flow [2021-03-26 13:27:04,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 181.92857142857142) internal successors, (2547), 14 states have internal predecessors, (2547), 0 states have call successors, (0), 0 states 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 13:27:04,705 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:27:04,705 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:27:04,705 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 13:27:04,705 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:27:04,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:27:04,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1707884147, now seen corresponding path program 3 times [2021-03-26 13:27:04,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:27:04,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379398948] [2021-03-26 13:27:04,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:27:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:27:04,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:27:04,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:27:04,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:27:04,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:27:04,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:27:04,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:27:04,825 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:27:04,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:27:04,840 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:27:04,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:27:04,863 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:27:04,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:27:04,892 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:27:04,893 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:27:04,926 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 13:27:04,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:27:04,972 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:27:04,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:27:05,031 INFO L142 QuantifierPusher]: treesize reduction 63, result has 52.3 percent of original size [2021-03-26 13:27:05,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:27:05,105 INFO L142 QuantifierPusher]: treesize reduction 81, result has 49.4 percent of original size [2021-03-26 13:27:05,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:27:05,186 INFO L142 QuantifierPusher]: treesize reduction 81, result has 51.2 percent of original size [2021-03-26 13:27:05,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:27:05,271 INFO L142 QuantifierPusher]: treesize reduction 99, result has 47.3 percent of original size [2021-03-26 13:27:05,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:27:05,350 INFO 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 13:27:05,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379398948] [2021-03-26 13:27:05,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:27:05,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-26 13:27:05,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155690015] [2021-03-26 13:27:05,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:27:05,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:27:05,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:27:05,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:27:05,356 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 207 [2021-03-26 13:27:05,358 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 63 transitions, 372 flow. Second operand has 14 states, 14 states have (on average 181.92857142857142) internal successors, (2547), 14 states have internal predecessors, (2547), 0 states have call successors, (0), 0 states 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 13:27:05,358 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:27:05,358 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 207 [2021-03-26 13:27:05,358 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:27:13,706 INFO L129 PetriNetUnfolder]: 50314/75568 cut-off events. [2021-03-26 13:27:13,706 INFO L130 PetriNetUnfolder]: For 215880/217409 co-relation queries the response was YES. [2021-03-26 13:27:14,906 INFO L84 FinitePrefix]: Finished finitePrefix Result has 276404 conditions, 75568 events. 50314/75568 cut-off events. For 215880/217409 co-relation queries the response was YES. Maximal size of possible extension queue 4551. Compared 605767 event pairs, 17203 based on Foata normal form. 1/74925 useless extension candidates. Maximal degree in co-relation 276373. Up to 24007 conditions per place. [2021-03-26 13:27:18,177 INFO L132 encePairwiseOnDemand]: 194/207 looper letters, 140 selfloop transitions, 34 changer transitions 1/199 dead transitions. [2021-03-26 13:27:18,177 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 199 transitions, 1659 flow [2021-03-26 13:27:18,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 13:27:18,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 13:27:18,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2624 transitions. [2021-03-26 13:27:18,182 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9054520358868184 [2021-03-26 13:27:18,182 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2624 transitions. [2021-03-26 13:27:18,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2624 transitions. [2021-03-26 13:27:18,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:27:18,184 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2624 transitions. [2021-03-26 13:27:18,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 187.42857142857142) internal successors, (2624), 14 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states 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 13:27:18,192 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 207.0) internal successors, (3105), 15 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states 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 13:27:18,193 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 207.0) internal successors, (3105), 15 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states 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 13:27:18,193 INFO L185 Difference]: Start difference. First operand has 107 places, 63 transitions, 372 flow. Second operand 14 states and 2624 transitions. [2021-03-26 13:27:18,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 199 transitions, 1659 flow [2021-03-26 13:27:20,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 199 transitions, 1605 flow, removed 21 selfloop flow, removed 2 redundant places. [2021-03-26 13:27:20,828 INFO L241 Difference]: Finished difference. Result has 130 places, 94 transitions, 794 flow [2021-03-26 13:27:20,828 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=794, PETRI_PLACES=130, PETRI_TRANSITIONS=94} [2021-03-26 13:27:20,829 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, 56 predicate places. [2021-03-26 13:27:20,829 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:27:20,829 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 130 places, 94 transitions, 794 flow [2021-03-26 13:27:20,829 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 130 places, 94 transitions, 794 flow [2021-03-26 13:27:20,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 94 transitions, 794 flow [2021-03-26 13:27:20,942 INFO L129 PetriNetUnfolder]: 0/1263 cut-off events. [2021-03-26 13:27:20,942 INFO L130 PetriNetUnfolder]: For 1070/1234 co-relation queries the response was YES. [2021-03-26 13:27:20,942 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2164 conditions, 1263 events. 0/1263 cut-off events. For 1070/1234 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 15084 event pairs, 0 based on Foata normal form. 5/1094 useless extension candidates. Maximal degree in co-relation 0. Up to 130 conditions per place. [2021-03-26 13:27:20,953 INFO L142 LiptonReduction]: Number of co-enabled transitions 1430 [2021-03-26 13:27:20,957 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:27:20,957 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:27:20,957 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 128 [2021-03-26 13:27:20,958 INFO L480 AbstractCegarLoop]: Abstraction has has 129 places, 94 transitions, 794 flow [2021-03-26 13:27:20,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 181.92857142857142) internal successors, (2547), 14 states have internal predecessors, (2547), 0 states have call successors, (0), 0 states 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 13:27:20,959 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:27:20,959 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:27:20,959 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 13:27:20,959 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:27:20,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:27:20,959 INFO L82 PathProgramCache]: Analyzing trace with hash 2123724303, now seen corresponding path program 4 times [2021-03-26 13:27:20,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:27:20,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138025875] [2021-03-26 13:27:20,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:27:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:27:21,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:27:21,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:27:21,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:27:21,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:27:21,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:27:21,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:27:21,024 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-26 13:27:21,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 13:27:21,037 INFO L142 QuantifierPusher]: treesize reduction 18, result has 61.7 percent of original size [2021-03-26 13:27:21,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-26 13:27:21,062 INFO L142 QuantifierPusher]: treesize reduction 27, result has 57.8 percent of original size [2021-03-26 13:27:21,063 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 13:27:21,089 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:27:21,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:27:21,124 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 13:27:21,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:27:21,173 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:27:21,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:27:21,220 INFO L142 QuantifierPusher]: treesize reduction 72, result has 49.7 percent of original size [2021-03-26 13:27:21,221 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-26 13:27:21,274 INFO L142 QuantifierPusher]: treesize reduction 81, result has 49.4 percent of original size [2021-03-26 13:27:21,275 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-03-26 13:27:21,333 INFO L142 QuantifierPusher]: treesize reduction 90, result has 49.2 percent of original size [2021-03-26 13:27:21,334 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-26 13:27:21,397 INFO L142 QuantifierPusher]: treesize reduction 99, result has 47.3 percent of original size [2021-03-26 13:27:21,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:27:21,454 INFO 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 13:27:21,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138025875] [2021-03-26 13:27:21,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:27:21,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-26 13:27:21,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101182233] [2021-03-26 13:27:21,455 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:27:21,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:27:21,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:27:21,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:27:21,457 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 207 [2021-03-26 13:27:21,459 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 94 transitions, 794 flow. Second operand has 14 states, 14 states have (on average 181.92857142857142) internal successors, (2547), 14 states have internal predecessors, (2547), 0 states have call successors, (0), 0 states 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 13:27:21,459 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:27:21,459 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 207 [2021-03-26 13:27:21,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:27:38,553 INFO L129 PetriNetUnfolder]: 74635/116794 cut-off events. [2021-03-26 13:27:38,553 INFO L130 PetriNetUnfolder]: For 635932/647145 co-relation queries the response was YES. [2021-03-26 13:27:40,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 521799 conditions, 116794 events. 74635/116794 cut-off events. For 635932/647145 co-relation queries the response was YES. Maximal size of possible extension queue 7767. Compared 1068214 event pairs, 17329 based on Foata normal form. 1/115802 useless extension candidates. Maximal degree in co-relation 521757. Up to 39548 conditions per place. [2021-03-26 13:27:40,877 INFO L132 encePairwiseOnDemand]: 194/207 looper letters, 144 selfloop transitions, 62 changer transitions 1/231 dead transitions. [2021-03-26 13:27:40,877 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 231 transitions, 2417 flow [2021-03-26 13:27:40,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 13:27:40,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 13:27:40,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2624 transitions. [2021-03-26 13:27:40,881 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9054520358868184 [2021-03-26 13:27:40,881 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2624 transitions. [2021-03-26 13:27:40,881 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2624 transitions. [2021-03-26 13:27:40,883 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:27:40,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2624 transitions. [2021-03-26 13:27:40,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 187.42857142857142) internal successors, (2624), 14 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states 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 13:27:40,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 207.0) internal successors, (3105), 15 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states 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 13:27:40,891 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 207.0) internal successors, (3105), 15 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states 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 13:27:40,891 INFO L185 Difference]: Start difference. First operand has 129 places, 94 transitions, 794 flow. Second operand 14 states and 2624 transitions. [2021-03-26 13:27:40,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 231 transitions, 2417 flow [2021-03-26 13:28:07,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 231 transitions, 2363 flow, removed 21 selfloop flow, removed 2 redundant places. [2021-03-26 13:28:07,349 INFO L241 Difference]: Finished difference. Result has 152 places, 136 transitions, 1523 flow [2021-03-26 13:28:07,349 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=781, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1523, PETRI_PLACES=152, PETRI_TRANSITIONS=136} [2021-03-26 13:28:07,350 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, 78 predicate places. [2021-03-26 13:28:07,350 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:28:07,350 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 136 transitions, 1523 flow [2021-03-26 13:28:07,350 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 136 transitions, 1523 flow [2021-03-26 13:28:07,351 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 136 transitions, 1523 flow [2021-03-26 13:28:07,752 INFO L129 PetriNetUnfolder]: 0/2835 cut-off events. [2021-03-26 13:28:07,753 INFO L130 PetriNetUnfolder]: For 4601/5016 co-relation queries the response was YES. [2021-03-26 13:28:07,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5650 conditions, 2835 events. 0/2835 cut-off events. For 4601/5016 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 40222 event pairs, 0 based on Foata normal form. 16/2479 useless extension candidates. Maximal degree in co-relation 0. Up to 256 conditions per place. [2021-03-26 13:28:07,795 INFO L142 LiptonReduction]: Number of co-enabled transitions 2228 [2021-03-26 13:28:07,800 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:28:07,800 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:28:07,800 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 450 [2021-03-26 13:28:07,800 INFO L480 AbstractCegarLoop]: Abstraction has has 151 places, 136 transitions, 1523 flow [2021-03-26 13:28:07,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 181.92857142857142) internal successors, (2547), 14 states have internal predecessors, (2547), 0 states have call successors, (0), 0 states 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 13:28:07,801 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:28:07,802 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:28:07,802 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 13:28:07,802 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:28:07,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:28:07,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1543875051, now seen corresponding path program 5 times [2021-03-26 13:28:07,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:28:07,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208686997] [2021-03-26 13:28:07,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:28:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:28:07,882 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:28:07,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:28:07,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:28:07,883 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:28:07,888 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:28:07,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:28:07,897 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:28:07,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:28:07,911 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:28:07,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:28:07,930 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:28:07,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:28:07,954 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:28:07,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:28:07,986 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-26 13:28:07,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:28:08,026 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 13:28:08,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:28:08,076 INFO L142 QuantifierPusher]: treesize reduction 63, result has 52.3 percent of original size [2021-03-26 13:28:08,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-26 13:28:08,122 INFO L142 QuantifierPusher]: treesize reduction 72, result has 53.5 percent of original size [2021-03-26 13:28:08,123 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-26 13:28:08,230 INFO L142 QuantifierPusher]: treesize reduction 90, result has 49.2 percent of original size [2021-03-26 13:28:08,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-03-26 13:28:08,302 INFO L142 QuantifierPusher]: treesize reduction 99, result has 47.3 percent of original size [2021-03-26 13:28:08,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:28:08,358 INFO 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 13:28:08,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208686997] [2021-03-26 13:28:08,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:28:08,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-26 13:28:08,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265966967] [2021-03-26 13:28:08,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:28:08,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:28:08,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:28:08,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:28:08,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 207 [2021-03-26 13:28:08,363 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 136 transitions, 1523 flow. Second operand has 14 states, 14 states have (on average 181.92857142857142) internal successors, (2547), 14 states have internal predecessors, (2547), 0 states have call successors, (0), 0 states 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 13:28:08,363 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:28:08,363 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 207 [2021-03-26 13:28:08,363 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:28:39,349 INFO L129 PetriNetUnfolder]: 101230/160025 cut-off events. [2021-03-26 13:28:39,350 INFO L130 PetriNetUnfolder]: For 1445686/1451731 co-relation queries the response was YES. [2021-03-26 13:28:41,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 860050 conditions, 160025 events. 101230/160025 cut-off events. For 1445686/1451731 co-relation queries the response was YES. Maximal size of possible extension queue 11233. Compared 1550635 event pairs, 30568 based on Foata normal form. 1/158558 useless extension candidates. Maximal degree in co-relation 859997. Up to 53001 conditions per place. [2021-03-26 13:28:42,751 INFO L132 encePairwiseOnDemand]: 194/207 looper letters, 284 selfloop transitions, 61 changer transitions 2/371 dead transitions. [2021-03-26 13:28:42,751 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 371 transitions, 4903 flow [2021-03-26 13:28:42,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 13:28:42,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 13:28:42,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2624 transitions. [2021-03-26 13:28:42,756 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9054520358868184 [2021-03-26 13:28:42,756 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2624 transitions. [2021-03-26 13:28:42,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2624 transitions. [2021-03-26 13:28:42,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:28:42,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2624 transitions. [2021-03-26 13:28:42,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 187.42857142857142) internal successors, (2624), 14 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states 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 13:28:42,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 207.0) internal successors, (3105), 15 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states 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 13:28:42,764 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 207.0) internal successors, (3105), 15 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states 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 13:28:42,765 INFO L185 Difference]: Start difference. First operand has 151 places, 136 transitions, 1523 flow. Second operand 14 states and 2624 transitions. [2021-03-26 13:28:42,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 371 transitions, 4903 flow [2021-03-26 13:29:04,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 371 transitions, 4755 flow, removed 60 selfloop flow, removed 2 redundant places. [2021-03-26 13:29:04,220 INFO L241 Difference]: Finished difference. Result has 174 places, 177 transitions, 2287 flow [2021-03-26 13:29:04,221 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=1483, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=2287, PETRI_PLACES=174, PETRI_TRANSITIONS=177} [2021-03-26 13:29:04,221 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, 100 predicate places. [2021-03-26 13:29:04,221 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:29:04,221 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 174 places, 177 transitions, 2287 flow [2021-03-26 13:29:04,221 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 174 places, 177 transitions, 2287 flow [2021-03-26 13:29:04,222 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 173 places, 177 transitions, 2287 flow [2021-03-26 13:29:04,849 INFO L129 PetriNetUnfolder]: 0/5101 cut-off events. [2021-03-26 13:29:04,849 INFO L130 PetriNetUnfolder]: For 11760/12454 co-relation queries the response was YES. [2021-03-26 13:29:04,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10822 conditions, 5101 events. 0/5101 cut-off events. For 11760/12454 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 81019 event pairs, 0 based on Foata normal form. 20/4485 useless extension candidates. Maximal degree in co-relation 0. Up to 449 conditions per place. [2021-03-26 13:29:04,980 INFO L142 LiptonReduction]: Number of co-enabled transitions 2916 [2021-03-26 13:29:04,987 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:29:04,988 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:29:04,988 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 767 [2021-03-26 13:29:04,988 INFO L480 AbstractCegarLoop]: Abstraction has has 173 places, 177 transitions, 2287 flow [2021-03-26 13:29:04,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 181.92857142857142) internal successors, (2547), 14 states have internal predecessors, (2547), 0 states have call successors, (0), 0 states 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 13:29:04,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:29:04,989 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:29:04,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 13:29:04,989 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:29:04,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:29:04,990 INFO L82 PathProgramCache]: Analyzing trace with hash 988977539, now seen corresponding path program 6 times [2021-03-26 13:29:04,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:29:04,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407266061] [2021-03-26 13:29:04,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:29:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:29:05,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:29:05,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:29:05,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:29:05,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:29:05,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:29:05,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:29:05,057 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:29:05,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:29:05,069 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:29:05,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:29:05,086 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:29:05,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:29:05,108 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:29:05,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:29:05,136 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-26 13:29:05,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:29:05,171 INFO L142 QuantifierPusher]: treesize reduction 54, result has 53.0 percent of original size [2021-03-26 13:29:05,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 13:29:05,213 INFO L142 QuantifierPusher]: treesize reduction 54, result has 55.4 percent of original size [2021-03-26 13:29:05,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-26 13:29:05,265 INFO L142 QuantifierPusher]: treesize reduction 72, result has 53.5 percent of original size [2021-03-26 13:29:05,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-26 13:29:05,354 INFO L142 QuantifierPusher]: treesize reduction 81, result has 51.2 percent of original size [2021-03-26 13:29:05,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:29:05,417 INFO L142 QuantifierPusher]: treesize reduction 99, result has 47.3 percent of original size [2021-03-26 13:29:05,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:29:05,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 13:29:05,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407266061] [2021-03-26 13:29:05,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:29:05,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-26 13:29:05,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146695056] [2021-03-26 13:29:05,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:29:05,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:29:05,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:29:05,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:29:05,493 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 207 [2021-03-26 13:29:05,494 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 177 transitions, 2287 flow. Second operand has 14 states, 14 states have (on average 181.92857142857142) internal successors, (2547), 14 states have internal predecessors, (2547), 0 states have call successors, (0), 0 states 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 13:29:05,494 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:29:05,494 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 207 [2021-03-26 13:29:05,494 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:29:48,825 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-03-26 13:29:54,799 INFO L129 PetriNetUnfolder]: 140090/228867 cut-off events. [2021-03-26 13:29:54,799 INFO L130 PetriNetUnfolder]: For 2921257/2932779 co-relation queries the response was YES. [2021-03-26 13:29:59,058 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1381995 conditions, 228867 events. 140090/228867 cut-off events. For 2921257/2932779 co-relation queries the response was YES. Maximal size of possible extension queue 16718. Compared 2433847 event pairs, 47534 based on Foata normal form. 1/226445 useless extension candidates. Maximal degree in co-relation 1381931. Up to 74272 conditions per place. [2021-03-26 13:30:00,498 INFO L132 encePairwiseOnDemand]: 194/207 looper letters, 378 selfloop transitions, 89 changer transitions 1/492 dead transitions. [2021-03-26 13:30:00,498 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 492 transitions, 7514 flow [2021-03-26 13:30:00,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 13:30:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 13:30:00,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2624 transitions. [2021-03-26 13:30:00,501 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9054520358868184 [2021-03-26 13:30:00,501 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2624 transitions. [2021-03-26 13:30:00,501 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2624 transitions. [2021-03-26 13:30:00,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:30:00,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2624 transitions. [2021-03-26 13:30:00,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 187.42857142857142) internal successors, (2624), 14 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states 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 13:30:00,507 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 207.0) internal successors, (3105), 15 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states 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 13:30:00,507 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 207.0) internal successors, (3105), 15 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states 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 13:30:00,507 INFO L185 Difference]: Start difference. First operand has 173 places, 177 transitions, 2287 flow. Second operand 14 states and 2624 transitions. [2021-03-26 13:30:00,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 492 transitions, 7514 flow [2021-03-26 13:31:15,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 492 transitions, 7232 flow, removed 122 selfloop flow, removed 3 redundant places. [2021-03-26 13:31:15,030 INFO L241 Difference]: Finished difference. Result has 195 places, 253 transitions, 3769 flow [2021-03-26 13:31:15,030 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=2186, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3769, PETRI_PLACES=195, PETRI_TRANSITIONS=253} [2021-03-26 13:31:15,030 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, 121 predicate places. [2021-03-26 13:31:15,030 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:31:15,031 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 195 places, 253 transitions, 3769 flow [2021-03-26 13:31:15,031 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 195 places, 253 transitions, 3769 flow [2021-03-26 13:31:15,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 194 places, 253 transitions, 3769 flow [2021-03-26 13:31:16,982 INFO L129 PetriNetUnfolder]: 0/10290 cut-off events. [2021-03-26 13:31:16,982 INFO L130 PetriNetUnfolder]: For 30052/31531 co-relation queries the response was YES. [2021-03-26 13:31:16,982 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22947 conditions, 10290 events. 0/10290 cut-off events. For 30052/31531 co-relation queries the response was YES. Maximal size of possible extension queue 889. Compared 184659 event pairs, 0 based on Foata normal form. 36/9129 useless extension candidates. Maximal degree in co-relation 0. Up to 888 conditions per place. [2021-03-26 13:31:17,156 INFO L142 LiptonReduction]: Number of co-enabled transitions 4124 [2021-03-26 13:31:17,171 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:31:17,171 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:31:17,172 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2142 [2021-03-26 13:31:17,172 INFO L480 AbstractCegarLoop]: Abstraction has has 194 places, 253 transitions, 3769 flow [2021-03-26 13:31:17,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 181.92857142857142) internal successors, (2547), 14 states have internal predecessors, (2547), 0 states have call successors, (0), 0 states 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 13:31:17,173 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:31:17,173 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:31:17,173 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 13:31:17,173 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:31:17,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:31:17,173 INFO L82 PathProgramCache]: Analyzing trace with hash 240045581, now seen corresponding path program 7 times [2021-03-26 13:31:17,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:31:17,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672162554] [2021-03-26 13:31:17,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:31:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:31:17,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:31:17,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:31:17,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:31:17,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:31:17,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:31:17,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:31:17,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:31:17,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:31:17,237 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:31:17,237 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:31:17,254 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:31:17,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:31:17,276 INFO L142 QuantifierPusher]: treesize reduction 27, result has 61.4 percent of original size [2021-03-26 13:31:17,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 13:31:17,305 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 13:31:17,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 13:31:17,342 INFO L142 QuantifierPusher]: treesize reduction 45, result has 56.7 percent of original size [2021-03-26 13:31:17,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-26 13:31:17,392 INFO L142 QuantifierPusher]: treesize reduction 54, result has 57.5 percent of original size [2021-03-26 13:31:17,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 13:31:17,488 INFO L142 QuantifierPusher]: treesize reduction 72, result has 53.5 percent of original size [2021-03-26 13:31:17,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-26 13:31:17,590 INFO L142 QuantifierPusher]: treesize reduction 81, result has 51.2 percent of original size [2021-03-26 13:31:17,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:31:17,650 INFO L142 QuantifierPusher]: treesize reduction 99, result has 47.3 percent of original size [2021-03-26 13:31:17,651 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:31:17,702 INFO 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 13:31:17,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672162554] [2021-03-26 13:31:17,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:31:17,703 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-26 13:31:17,703 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240778267] [2021-03-26 13:31:17,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:31:17,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:31:17,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:31:17,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:31:17,705 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 207 [2021-03-26 13:31:17,706 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 253 transitions, 3769 flow. Second operand has 14 states, 14 states have (on average 181.92857142857142) internal successors, (2547), 14 states have internal predecessors, (2547), 0 states have call successors, (0), 0 states 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 13:31:17,706 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:31:17,706 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 207 [2021-03-26 13:31:17,706 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 13:32:55,983 INFO L129 PetriNetUnfolder]: 194270/333616 cut-off events. [2021-03-26 13:32:55,984 INFO L130 PetriNetUnfolder]: For 5484109/5508976 co-relation queries the response was YES. [2021-03-26 13:33:02,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2186076 conditions, 333616 events. 194270/333616 cut-off events. For 5484109/5508976 co-relation queries the response was YES. Maximal size of possible extension queue 24747. Compared 3942226 event pairs, 69179 based on Foata normal form. 3/329319 useless extension candidates. Maximal degree in co-relation 2186002. Up to 106893 conditions per place. [2021-03-26 13:33:04,742 INFO L132 encePairwiseOnDemand]: 194/207 looper letters, 461 selfloop transitions, 155 changer transitions 1/641 dead transitions. [2021-03-26 13:33:04,742 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 641 transitions, 11108 flow [2021-03-26 13:33:04,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-03-26 13:33:04,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-03-26 13:33:04,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2624 transitions. [2021-03-26 13:33:04,744 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9054520358868184 [2021-03-26 13:33:04,745 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 2624 transitions. [2021-03-26 13:33:04,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 2624 transitions. [2021-03-26 13:33:04,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 13:33:04,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 2624 transitions. [2021-03-26 13:33:04,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 187.42857142857142) internal successors, (2624), 14 states have internal predecessors, (2624), 0 states have call successors, (0), 0 states 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 13:33:04,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 207.0) internal successors, (3105), 15 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states 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 13:33:04,750 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 207.0) internal successors, (3105), 15 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states 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 13:33:04,750 INFO L185 Difference]: Start difference. First operand has 194 places, 253 transitions, 3769 flow. Second operand 14 states and 2624 transitions. [2021-03-26 13:33:04,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 641 transitions, 11108 flow [2021-03-26 13:36:22,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 641 transitions, 10876 flow, removed 104 selfloop flow, removed 2 redundant places. [2021-03-26 13:36:22,888 INFO L241 Difference]: Finished difference. Result has 217 places, 387 transitions, 6833 flow [2021-03-26 13:36:22,888 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=3668, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=6833, PETRI_PLACES=217, PETRI_TRANSITIONS=387} [2021-03-26 13:36:22,889 INFO L343 CegarLoopForPetriNet]: 74 programPoint places, 143 predicate places. [2021-03-26 13:36:22,889 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 13:36:22,889 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 217 places, 387 transitions, 6833 flow [2021-03-26 13:36:22,889 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 217 places, 387 transitions, 6833 flow [2021-03-26 13:36:22,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 216 places, 387 transitions, 6833 flow [2021-03-26 13:36:28,336 INFO L129 PetriNetUnfolder]: 0/19287 cut-off events. [2021-03-26 13:36:28,336 INFO L130 PetriNetUnfolder]: For 78052/81798 co-relation queries the response was YES. [2021-03-26 13:36:28,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46409 conditions, 19287 events. 0/19287 cut-off events. For 78052/81798 co-relation queries the response was YES. Maximal size of possible extension queue 1619. Compared 381067 event pairs, 0 based on Foata normal form. 143/17328 useless extension candidates. Maximal degree in co-relation 0. Up to 1618 conditions per place. [2021-03-26 13:36:28,683 INFO L142 LiptonReduction]: Number of co-enabled transitions 6032 [2021-03-26 13:36:28,706 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 13:36:28,706 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 13:36:28,707 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5818 [2021-03-26 13:36:28,707 INFO L480 AbstractCegarLoop]: Abstraction has has 216 places, 387 transitions, 6833 flow [2021-03-26 13:36:28,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 181.92857142857142) internal successors, (2547), 14 states have internal predecessors, (2547), 0 states have call successors, (0), 0 states 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 13:36:28,708 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 13:36:28,708 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 13:36:28,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 13:36:28,708 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-03-26 13:36:28,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 13:36:28,708 INFO L82 PathProgramCache]: Analyzing trace with hash -870247001, now seen corresponding path program 8 times [2021-03-26 13:36:28,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 13:36:28,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784857080] [2021-03-26 13:36:28,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 13:36:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 13:36:28,741 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:28,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 13:36:28,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:28,742 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 13:36:28,747 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:28,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 13:36:28,755 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 13:36:28,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 13:36:28,770 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-26 13:36:28,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 13:36:28,787 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 13:36:28,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 13:36:28,807 INFO L142 QuantifierPusher]: treesize reduction 36, result has 55.6 percent of original size [2021-03-26 13:36:28,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 13:36:28,830 INFO L142 QuantifierPusher]: treesize reduction 36, result has 58.6 percent of original size [2021-03-26 13:36:28,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 13:36:28,859 INFO L142 QuantifierPusher]: treesize reduction 45, result has 59.1 percent of original size [2021-03-26 13:36:28,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 13:36:28,927 INFO L142 QuantifierPusher]: treesize reduction 54, result has 57.5 percent of original size [2021-03-26 13:36:28,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-03-26 13:36:29,011 INFO L142 QuantifierPusher]: treesize reduction 72, result has 53.5 percent of original size [2021-03-26 13:36:29,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-26 13:36:29,109 INFO L142 QuantifierPusher]: treesize reduction 81, result has 51.2 percent of original size [2021-03-26 13:36:29,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-03-26 13:36:29,182 INFO L142 QuantifierPusher]: treesize reduction 99, result has 47.3 percent of original size [2021-03-26 13:36:29,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-03-26 13:36:29,247 INFO 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 13:36:29,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784857080] [2021-03-26 13:36:29,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 13:36:29,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-03-26 13:36:29,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608019302] [2021-03-26 13:36:29,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-03-26 13:36:29,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 13:36:29,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-03-26 13:36:29,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2021-03-26 13:36:29,250 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 207 [2021-03-26 13:36:29,251 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 387 transitions, 6833 flow. Second operand has 14 states, 14 states have (on average 181.92857142857142) internal successors, (2547), 14 states have internal predecessors, (2547), 0 states have call successors, (0), 0 states 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 13:36:29,251 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 13:36:29,251 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 207 [2021-03-26 13:36:29,251 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown [2021-03-26 13:38:45,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-26 13:38:45,250 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 13:38:45,250 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-26 13:38:45,279 WARN L224 ceAbstractionStarter]: Timeout [2021-03-26 13:38:45,279 INFO L202 PluginConnector]: Adding new model example_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 01:38:45 BasicIcfg [2021-03-26 13:38:45,279 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 13:38:45,280 INFO L168 Benchmark]: Toolchain (without parser) took 731371.62 ms. Allocated memory was 255.9 MB in the beginning and 15.9 GB in the end (delta: 15.6 GB). Free memory was 236.4 MB in the beginning and 8.0 GB in the end (delta: -7.8 GB). Peak memory consumption was 8.3 GB. Max. memory is 16.0 GB. [2021-03-26 13:38:45,280 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.74 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 13:38:45,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.97 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 234.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 13:38:45,281 INFO L168 Benchmark]: Boogie Preprocessor took 22.47 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 234.0 MB in the end (delta: 878.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 13:38:45,281 INFO L168 Benchmark]: RCFGBuilder took 328.15 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 237.0 MB in the end (delta: -3.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.0 GB. [2021-03-26 13:38:45,281 INFO L168 Benchmark]: TraceAbstraction took 730979.55 ms. Allocated memory was 255.9 MB in the beginning and 15.9 GB in the end (delta: 15.6 GB). Free memory was 236.4 MB in the beginning and 8.0 GB in the end (delta: -7.8 GB). Peak memory consumption was 8.3 GB. Max. memory is 16.0 GB. [2021-03-26 13:38:45,286 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 0.74 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 34.97 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 234.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 22.47 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 234.0 MB in the end (delta: 878.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 328.15 ms. Allocated memory is still 255.9 MB. Free memory was 233.8 MB in the beginning and 237.0 MB in the end (delta: -3.2 MB). Peak memory consumption was 18.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 730979.55 ms. Allocated memory was 255.9 MB in the beginning and 15.9 GB in the end (delta: 15.6 GB). Free memory was 236.4 MB in the beginning and 8.0 GB in the end (delta: -7.8 GB). Peak memory consumption was 8.3 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3385.4ms, 86 PlacesBefore, 74 PlacesAfterwards, 181 TransitionsBefore, 169 TransitionsAfterwards, 6600 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 1782 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1782, positive: 1782, positive conditional: 1782, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1782, positive: 1782, positive conditional: 0, positive unconditional: 1782, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1782, positive: 1782, positive conditional: 0, positive unconditional: 1782, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1782, positive: 1782, positive conditional: 0, positive unconditional: 1782, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1782, positive: 1782, positive conditional: 0, positive unconditional: 1782, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1782, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1782, unknown conditional: 0, unknown unconditional: 1782] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1299.5ms, 52 PlacesBefore, 52 PlacesAfterwards, 165 TransitionsBefore, 165 TransitionsAfterwards, 3080 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 996.7ms, 53 PlacesBefore, 53 PlacesAfterwards, 163 TransitionsBefore, 163 TransitionsAfterwards, 3036 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 765.6ms, 54 PlacesBefore, 54 PlacesAfterwards, 157 TransitionsBefore, 157 TransitionsAfterwards, 2904 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 781.1ms, 55 PlacesBefore, 55 PlacesAfterwards, 154 TransitionsBefore, 154 TransitionsAfterwards, 2838 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 245.7ms, 56 PlacesBefore, 56 PlacesAfterwards, 145 TransitionsBefore, 145 TransitionsAfterwards, 2640 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 240.7ms, 57 PlacesBefore, 57 PlacesAfterwards, 144 TransitionsBefore, 144 TransitionsAfterwards, 2618 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 179.7ms, 58 PlacesBefore, 58 PlacesAfterwards, 139 TransitionsBefore, 139 TransitionsAfterwards, 2508 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 80.3ms, 59 PlacesBefore, 59 PlacesAfterwards, 131 TransitionsBefore, 131 TransitionsAfterwards, 2332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.7ms, 60 PlacesBefore, 60 PlacesAfterwards, 124 TransitionsBefore, 124 TransitionsAfterwards, 2178 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.9ms, 61 PlacesBefore, 61 PlacesAfterwards, 114 TransitionsBefore, 114 TransitionsAfterwards, 1078 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.3ms, 62 PlacesBefore, 62 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 396 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 16.2ms, 86 PlacesBefore, 85 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 574 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 76.0ms, 108 PlacesBefore, 107 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 868 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 128.3ms, 130 PlacesBefore, 129 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 1430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 449.8ms, 152 PlacesBefore, 151 PlacesAfterwards, 136 TransitionsBefore, 136 TransitionsAfterwards, 2228 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 766.4ms, 174 PlacesBefore, 173 PlacesAfterwards, 177 TransitionsBefore, 177 TransitionsAfterwards, 2916 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2140.7ms, 195 PlacesBefore, 194 PlacesAfterwards, 253 TransitionsBefore, 253 TransitionsAfterwards, 4124 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5817.6ms, 217 PlacesBefore, 216 PlacesAfterwards, 387 TransitionsBefore, 387 TransitionsAfterwards, 6032 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1782, Positive cache size: 1782, Positive conditional cache size: 0, Positive unconditional cache size: 1782, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 - TimeoutResultAtElement [Line: 37]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 37). Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (14states, 181/207 universal loopers) in iteration 19,while PetriNetUnfolder was constructing finite prefix that currently has 2925107 conditions, 339542 events (245108/339541 cut-off events. For 9244520/9297538 co-relation queries the response was YES. Maximal size of possible extension queue 38127. Compared 3103825 event pairs, 134858 based on Foata normal form. 7/366500 useless extension candidates. Maximal degree in co-relation 2925027. Up to 129244 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1606.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: TIMEOUT, OverallTime: 730564.1ms, OverallIterations: 19, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 702786.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6594.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 625 SDtfs, 672 SDslu, 610 SDs, 0 SdLazy, 1146 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1199.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 144 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 4730.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=6833occurred in iteration=18, InterpolantAutomatonStates: 131, 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: 44.1ms SsaConstructionTime, 109.2ms SatisfiabilityAnalysisTime, 5094.6ms InterpolantComputationTime, 703 NumberOfCodeBlocks, 703 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 684 ConstructedInterpolants, 0 QuantifiedInterpolants, 13896 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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 !SESSION 2021-03-26 13:26:31.664 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.9.1 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_12.bpl Command-line arguments: -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_12.bpl !ENTRY org.eclipse.osgi 4 0 2021-03-26 13:38:45.543 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e6d430ae/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438)