/usr/bin/java -Xmx8000000000 -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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/example_multiple_interleavings.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2cf4d3f9dd5fed411db405f577e28237a543b59a-2cf4d3f [2021-08-12 21:49:53,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-12 21:49:53,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-12 21:49:53,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-12 21:49:53,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-12 21:49:53,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-12 21:49:53,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-12 21:49:53,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-12 21:49:53,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-12 21:49:53,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-12 21:49:53,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-12 21:49:53,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-12 21:49:53,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-12 21:49:53,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-12 21:49:53,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-12 21:49:53,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-12 21:49:53,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-08-12 21:49:53,452 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-NoLbe.epf [2021-08-12 21:49:53,470 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-12 21:49:53,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-12 21:49:53,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-12 21:49:53,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-12 21:49:53,472 INFO L138 SettingsManager]: * Use SBE=true [2021-08-12 21:49:53,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-12 21:49:53,472 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-12 21:49:53,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-12 21:49:53,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-12 21:49:53,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-12 21:49:53,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-12 21:49:53,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-12 21:49:53,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-12 21:49:53,473 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-12 21:49:53,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-12 21:49:53,473 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-12 21:49:53,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-12 21:49:53,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-12 21:49:53,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-12 21:49:53,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-12 21:49:53,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-12 21:49:53,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-12 21:49:53,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-12 21:49:53,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-12 21:49:53,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-12 21:49:53,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-12 21:49:53,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-12 21:49:53,475 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-12 21:49:53,475 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-08-12 21:49:53,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-12 21:49:53,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-12 21:49:53,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-12 21:49:53,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-12 21:49:53,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-12 21:49:53,801 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-12 21:49:53,802 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-12 21:49:53,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/example_multiple_interleavings.bpl [2021-08-12 21:49:53,804 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/example_multiple_interleavings.bpl' [2021-08-12 21:49:53,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-12 21:49:53,855 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-12 21:49:53,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-12 21:49:53,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-12 21:49:53,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-12 21:49:53,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_multiple_interleavings.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:53" (1/1) ... [2021-08-12 21:49:53,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_multiple_interleavings.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:53" (1/1) ... [2021-08-12 21:49:53,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-12 21:49:53,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-12 21:49:53,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-12 21:49:53,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-12 21:49:53,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_multiple_interleavings.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:53" (1/1) ... [2021-08-12 21:49:53,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_multiple_interleavings.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:53" (1/1) ... [2021-08-12 21:49:53,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_multiple_interleavings.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:53" (1/1) ... [2021-08-12 21:49:53,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_multiple_interleavings.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:53" (1/1) ... [2021-08-12 21:49:53,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_multiple_interleavings.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:53" (1/1) ... [2021-08-12 21:49:53,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_multiple_interleavings.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:53" (1/1) ... [2021-08-12 21:49:53,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_multiple_interleavings.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:53" (1/1) ... [2021-08-12 21:49:53,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-12 21:49:53,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-12 21:49:53,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-12 21:49:53,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-12 21:49:53,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_multiple_interleavings.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:53" (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 [2021-08-12 21:49:53,962 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_y given in one single declaration [2021-08-12 21:49:53,962 INFO L130 BoogieDeclarations]: Found specification of procedure set_y [2021-08-12 21:49:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure set_y [2021-08-12 21:49:53,963 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_x_1 given in one single declaration [2021-08-12 21:49:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure set_x_1 [2021-08-12 21:49:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure set_x_1 [2021-08-12 21:49:53,963 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_x_0 given in one single declaration [2021-08-12 21:49:53,963 INFO L130 BoogieDeclarations]: Found specification of procedure set_x_0 [2021-08-12 21:49:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure set_x_0 [2021-08-12 21:49:53,964 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-12 21:49:53,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-12 21:49:53,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-12 21:49:53,965 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-12 21:49:54,085 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-12 21:49:54,086 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-08-12 21:49:54,087 INFO L202 PluginConnector]: Adding new model example_multiple_interleavings.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:49:54 BoogieIcfgContainer [2021-08-12 21:49:54,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-12 21:49:54,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-12 21:49:54,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-12 21:49:54,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-12 21:49:54,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_multiple_interleavings.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.08 09:49:53" (1/2) ... [2021-08-12 21:49:54,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44d9bf8a and model type example_multiple_interleavings.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.08 09:49:54, skipping insertion in model container [2021-08-12 21:49:54,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_multiple_interleavings.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.08 09:49:54" (2/2) ... [2021-08-12 21:49:54,093 INFO L111 eAbstractionObserver]: Analyzing ICFG example_multiple_interleavings.bpl [2021-08-12 21:49:54,097 INFO L206 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-12 21:49:54,098 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-12 21:49:54,099 INFO L445 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-12 21:49:54,132 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-08-12 21:49:54,153 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-12 21:49:54,171 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-08-12 21:49:54,172 INFO L379 AbstractCegarLoop]: Hoare is false [2021-08-12 21:49:54,172 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-08-12 21:49:54,172 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-12 21:49:54,172 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-12 21:49:54,172 INFO L383 AbstractCegarLoop]: Difference is false [2021-08-12 21:49:54,172 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-12 21:49:54,172 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-08-12 21:49:54,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 28 places, 24 transitions, 90 flow [2021-08-12 21:49:54,218 INFO L129 PetriNetUnfolder]: 5/24 cut-off events. [2021-08-12 21:49:54,219 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-08-12 21:49:54,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 24 events. 5/24 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 20. Up to 6 conditions per place. [2021-08-12 21:49:54,228 INFO L82 GeneralOperation]: Start removeDead. Operand has 28 places, 24 transitions, 90 flow [2021-08-12 21:49:54,235 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 23 places, 19 transitions, 74 flow [2021-08-12 21:49:54,244 INFO L129 PetriNetUnfolder]: 5/21 cut-off events. [2021-08-12 21:49:54,244 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-08-12 21:49:54,245 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:49:54,245 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:49:54,246 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:49:54,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:49:54,253 INFO L82 PathProgramCache]: Analyzing trace with hash -451704694, now seen corresponding path program 1 times [2021-08-12 21:49:54,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:49:54,260 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252501254] [2021-08-12 21:49:54,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:49:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:49:54,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:54,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:49:54,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:54,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:49:54,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:54,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:49:54,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:49:54,453 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:49:54,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252501254] [2021-08-12 21:49:54,455 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252501254] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:49:54,455 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:49:54,455 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 21:49:54,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439592436] [2021-08-12 21:49:54,462 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 21:49:54,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:49:54,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 21:49:54,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 21:49:54,483 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 24 [2021-08-12 21:49:54,490 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 19 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,490 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:49:54,490 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 24 [2021-08-12 21:49:54,491 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:49:54,531 INFO L129 PetriNetUnfolder]: 3/19 cut-off events. [2021-08-12 21:49:54,532 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2021-08-12 21:49:54,532 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 19 events. 3/19 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 25 event pairs, 0 based on Foata normal form. 1/20 useless extension candidates. Maximal degree in co-relation 17. Up to 4 conditions per place. [2021-08-12 21:49:54,533 INFO L132 encePairwiseOnDemand]: 22/24 looper letters, 2 selfloop transitions, 1 changer transitions 0/18 dead transitions. [2021-08-12 21:49:54,533 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 18 transitions, 75 flow [2021-08-12 21:49:54,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 21:49:54,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-12 21:49:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 64 transitions. [2021-08-12 21:49:54,548 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2021-08-12 21:49:54,549 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 64 transitions. [2021-08-12 21:49:54,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 64 transitions. [2021-08-12 21:49:54,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:49:54,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 64 transitions. [2021-08-12 21:49:54,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,569 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,570 INFO L348 CegarLoopForPetriNet]: 23 programPoint places, 2 predicate places. [2021-08-12 21:49:54,570 INFO L482 AbstractCegarLoop]: Abstraction has has 25 places, 18 transitions, 75 flow [2021-08-12 21:49:54,570 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,570 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:49:54,570 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:49:54,570 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-12 21:49:54,571 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:49:54,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:49:54,573 INFO L82 PathProgramCache]: Analyzing trace with hash 902635530, now seen corresponding path program 1 times [2021-08-12 21:49:54,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:49:54,573 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023573832] [2021-08-12 21:49:54,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:49:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:49:54,610 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:54,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:49:54,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:54,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:49:54,620 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:54,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:49:54,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:49:54,625 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:49:54,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023573832] [2021-08-12 21:49:54,626 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023573832] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:49:54,626 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:49:54,626 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 21:49:54,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878026230] [2021-08-12 21:49:54,629 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-08-12 21:49:54,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:49:54,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-12 21:49:54,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-12 21:49:54,631 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 24 [2021-08-12 21:49:54,631 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 18 transitions, 75 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,631 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:49:54,631 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 24 [2021-08-12 21:49:54,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:49:54,648 INFO L129 PetriNetUnfolder]: 0/13 cut-off events. [2021-08-12 21:49:54,648 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-08-12 21:49:54,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 13 events. 0/13 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 13 event pairs, 0 based on Foata normal form. 2/15 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-08-12 21:49:54,649 INFO L132 encePairwiseOnDemand]: 21/24 looper letters, 1 selfloop transitions, 1 changer transitions 0/13 dead transitions. [2021-08-12 21:49:54,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 13 transitions, 52 flow [2021-08-12 21:49:54,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-12 21:49:54,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-08-12 21:49:54,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 64 transitions. [2021-08-12 21:49:54,652 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2021-08-12 21:49:54,652 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 64 transitions. [2021-08-12 21:49:54,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 64 transitions. [2021-08-12 21:49:54,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:49:54,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 64 transitions. [2021-08-12 21:49:54,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,657 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,657 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,658 INFO L348 CegarLoopForPetriNet]: 23 programPoint places, 4 predicate places. [2021-08-12 21:49:54,658 INFO L482 AbstractCegarLoop]: Abstraction has has 27 places, 13 transitions, 52 flow [2021-08-12 21:49:54,658 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,659 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:49:54,659 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:49:54,660 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-12 21:49:54,660 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:49:54,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:49:54,664 INFO L82 PathProgramCache]: Analyzing trace with hash -708234034, now seen corresponding path program 1 times [2021-08-12 21:49:54,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:49:54,665 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526812195] [2021-08-12 21:49:54,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:49:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:49:54,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:54,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:49:54,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:54,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:49:54,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:54,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:49:54,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:49:54,728 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:49:54,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526812195] [2021-08-12 21:49:54,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526812195] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:49:54,729 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:49:54,729 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 21:49:54,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522582021] [2021-08-12 21:49:54,730 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 21:49:54,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:49:54,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 21:49:54,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-12 21:49:54,734 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 24 [2021-08-12 21:49:54,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 13 transitions, 52 flow. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:49:54,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 24 [2021-08-12 21:49:54,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:49:54,768 INFO L129 PetriNetUnfolder]: 4/34 cut-off events. [2021-08-12 21:49:54,768 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-08-12 21:49:54,769 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 34 events. 4/34 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 95 event pairs, 1 based on Foata normal form. 1/33 useless extension candidates. Maximal degree in co-relation 49. Up to 8 conditions per place. [2021-08-12 21:49:54,770 INFO L132 encePairwiseOnDemand]: 20/24 looper letters, 4 selfloop transitions, 3 changer transitions 0/16 dead transitions. [2021-08-12 21:49:54,770 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 16 transitions, 72 flow [2021-08-12 21:49:54,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-12 21:49:54,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-12 21:49:54,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2021-08-12 21:49:54,773 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.875 [2021-08-12 21:49:54,773 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 84 transitions. [2021-08-12 21:49:54,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 84 transitions. [2021-08-12 21:49:54,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:49:54,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 84 transitions. [2021-08-12 21:49:54,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,775 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,775 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,776 INFO L348 CegarLoopForPetriNet]: 23 programPoint places, 7 predicate places. [2021-08-12 21:49:54,776 INFO L482 AbstractCegarLoop]: Abstraction has has 30 places, 16 transitions, 72 flow [2021-08-12 21:49:54,776 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,776 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:49:54,776 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:49:54,776 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-12 21:49:54,776 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:49:54,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:49:54,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1242888204, now seen corresponding path program 2 times [2021-08-12 21:49:54,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:49:54,778 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608476747] [2021-08-12 21:49:54,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:49:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:49:54,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:54,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:49:54,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:54,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:49:54,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:54,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:49:54,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:49:54,824 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:49:54,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608476747] [2021-08-12 21:49:54,825 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608476747] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:49:54,825 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:49:54,827 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 21:49:54,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602161490] [2021-08-12 21:49:54,827 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 21:49:54,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:49:54,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 21:49:54,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-12 21:49:54,830 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 24 [2021-08-12 21:49:54,830 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 16 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,830 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:49:54,830 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 24 [2021-08-12 21:49:54,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:49:54,865 INFO L129 PetriNetUnfolder]: 3/39 cut-off events. [2021-08-12 21:49:54,865 INFO L130 PetriNetUnfolder]: For 31/37 co-relation queries the response was YES. [2021-08-12 21:49:54,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 39 events. 3/39 cut-off events. For 31/37 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 135 event pairs, 0 based on Foata normal form. 1/39 useless extension candidates. Maximal degree in co-relation 70. Up to 10 conditions per place. [2021-08-12 21:49:54,866 INFO L132 encePairwiseOnDemand]: 20/24 looper letters, 2 selfloop transitions, 6 changer transitions 2/19 dead transitions. [2021-08-12 21:49:54,866 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 19 transitions, 104 flow [2021-08-12 21:49:54,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-12 21:49:54,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-12 21:49:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2021-08-12 21:49:54,870 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.875 [2021-08-12 21:49:54,871 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 84 transitions. [2021-08-12 21:49:54,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 84 transitions. [2021-08-12 21:49:54,871 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:49:54,871 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 84 transitions. [2021-08-12 21:49:54,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,873 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,873 INFO L348 CegarLoopForPetriNet]: 23 programPoint places, 10 predicate places. [2021-08-12 21:49:54,873 INFO L482 AbstractCegarLoop]: Abstraction has has 33 places, 19 transitions, 104 flow [2021-08-12 21:49:54,873 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,874 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:49:54,874 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:49:54,874 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-12 21:49:54,875 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:49:54,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:49:54,875 INFO L82 PathProgramCache]: Analyzing trace with hash -748011108, now seen corresponding path program 3 times [2021-08-12 21:49:54,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:49:54,876 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686672391] [2021-08-12 21:49:54,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:49:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:49:54,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:54,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:49:54,905 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:54,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-08-12 21:49:54,910 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-08-12 21:49:54,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:49:54,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:49:54,919 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:49:54,919 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686672391] [2021-08-12 21:49:54,920 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686672391] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:49:54,920 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:49:54,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 21:49:54,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516899283] [2021-08-12 21:49:54,920 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 21:49:54,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:49:54,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 21:49:54,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-12 21:49:54,921 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 24 [2021-08-12 21:49:54,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 19 transitions, 104 flow. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,925 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:49:54,925 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 24 [2021-08-12 21:49:54,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:49:54,950 INFO L129 PetriNetUnfolder]: 2/44 cut-off events. [2021-08-12 21:49:54,950 INFO L130 PetriNetUnfolder]: For 51/63 co-relation queries the response was YES. [2021-08-12 21:49:54,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 44 events. 2/44 cut-off events. For 51/63 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 177 event pairs, 0 based on Foata normal form. 2/46 useless extension candidates. Maximal degree in co-relation 93. Up to 10 conditions per place. [2021-08-12 21:49:54,952 INFO L132 encePairwiseOnDemand]: 20/24 looper letters, 5 selfloop transitions, 2 changer transitions 7/23 dead transitions. [2021-08-12 21:49:54,953 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 23 transitions, 156 flow [2021-08-12 21:49:54,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-12 21:49:54,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-12 21:49:54,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2021-08-12 21:49:54,954 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.875 [2021-08-12 21:49:54,954 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 84 transitions. [2021-08-12 21:49:54,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 84 transitions. [2021-08-12 21:49:54,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:49:54,955 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 84 transitions. [2021-08-12 21:49:54,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,957 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,957 INFO L348 CegarLoopForPetriNet]: 23 programPoint places, 13 predicate places. [2021-08-12 21:49:54,957 INFO L482 AbstractCegarLoop]: Abstraction has has 36 places, 23 transitions, 156 flow [2021-08-12 21:49:54,957 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:54,957 INFO L258 CegarLoopForPetriNet]: Found error trace [2021-08-12 21:49:54,957 INFO L266 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-12 21:49:54,958 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-12 21:49:54,958 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-08-12 21:49:54,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-12 21:49:54,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1980678820, now seen corresponding path program 4 times [2021-08-12 21:49:54,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-12 21:49:54,959 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734879578] [2021-08-12 21:49:54,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-12 21:49:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-12 21:49:54,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:54,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-08-12 21:49:54,991 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-08-12 21:49:54,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-08-12 21:49:54,996 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-08-12 21:49:54,997 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-08-12 21:49:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-12 21:49:55,006 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-12 21:49:55,006 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734879578] [2021-08-12 21:49:55,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734879578] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-12 21:49:55,007 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-12 21:49:55,007 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-12 21:49:55,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411805779] [2021-08-12 21:49:55,007 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-08-12 21:49:55,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-12 21:49:55,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-12 21:49:55,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-12 21:49:55,012 INFO L513 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 24 [2021-08-12 21:49:55,012 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 23 transitions, 156 flow. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:55,012 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-08-12 21:49:55,012 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 24 [2021-08-12 21:49:55,012 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-08-12 21:49:55,031 INFO L129 PetriNetUnfolder]: 2/43 cut-off events. [2021-08-12 21:49:55,032 INFO L130 PetriNetUnfolder]: For 68/89 co-relation queries the response was YES. [2021-08-12 21:49:55,032 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 43 events. 2/43 cut-off events. For 68/89 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 178 event pairs, 0 based on Foata normal form. 1/44 useless extension candidates. Maximal degree in co-relation 108. Up to 9 conditions per place. [2021-08-12 21:49:55,033 INFO L132 encePairwiseOnDemand]: 20/24 looper letters, 0 selfloop transitions, 0 changer transitions 22/22 dead transitions. [2021-08-12 21:49:55,033 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 22 transitions, 174 flow [2021-08-12 21:49:55,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-12 21:49:55,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-08-12 21:49:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 83 transitions. [2021-08-12 21:49:55,034 INFO L558 CegarLoopForPetriNet]: DFA transition density 0.8645833333333334 [2021-08-12 21:49:55,034 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 83 transitions. [2021-08-12 21:49:55,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 83 transitions. [2021-08-12 21:49:55,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-12 21:49:55,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 83 transitions. [2021-08-12 21:49:55,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:55,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:55,036 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 24.0) internal successors, (120), 5 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:55,036 INFO L348 CegarLoopForPetriNet]: 23 programPoint places, 15 predicate places. [2021-08-12 21:49:55,036 INFO L482 AbstractCegarLoop]: Abstraction has has 38 places, 22 transitions, 174 flow [2021-08-12 21:49:55,036 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-12 21:49:55,037 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-12 21:49:55,109 INFO L742 CegarLoopForPetriNet]: Computed Owicki-Gries annotation of size 6262 in 66643861ns [2021-08-12 21:49:55,111 INFO L113 kiGriesValidityCheck]: 12#(or (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) v_np13_1 (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (not v_np19_1) v_np22_1 (= y 0) v_np0_1 v_np20_1) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (not v_np19_1) v_np22_1 (= y 0) v_np0_1 v_np20_1) (and v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (not v_np5_1) (or (and (<= 3 set_yThread1of1ForFork2_thidvar0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1) (= y 0)) (and (= x 0) (<= 3 set_yThread1of1ForFork2_thidvar0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= y 0))) (not v_np19_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 v_np22_1 (not v_np1_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) v_np0_1 v_np20_1 (not v_np10_1)) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) v_np13_1 (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (= x 0) (<= 3 set_yThread1of1ForFork2_thidvar0) (not v_np19_1) v_np2_1 v_np22_1 (= y 0) v_np0_1 v_np20_1)) [2021-08-12 21:49:55,111 INFO L113 kiGriesValidityCheck]: 6#(or (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np20_1) (not v_np21_1) v_np17_1 (or (and (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0)) (and (<= 3 set_yThread1of1ForFork2_thidvar0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1))) (not v_np18_1) (not v_np7_1) (not v_np3_1) v_np4_1 (not v_np9_1) v_np5_1 (not v_np8_1) (not v_np0_1) v_np22_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np20_1) (not v_np21_1) (or (and (<= 3 set_yThread1of1ForFork2_thidvar0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1) (= y 0)) (and (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= y 0))) v_np17_1 (not v_np18_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np5_1 v_np6_1 (not v_np8_1) (not v_np0_1) v_np22_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1))) [2021-08-12 21:49:55,112 INFO L113 kiGriesValidityCheck]: 23#(or (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np21_1) v_np17_1 (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (not v_np18_1) (not v_np19_1) v_np3_1 v_np4_1 (not v_np0_1) v_np22_1 v_np20_1) (and v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np9_1) v_np6_1 (not v_np8_1) (or (and (<= 3 set_yThread1of1ForFork2_thidvar0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1) (= y 0)) (and (= x 0) (<= 3 set_yThread1of1ForFork2_thidvar0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= y 0)) (and (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= y 0))) v_np22_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np4_1) (not v_np13_1) v_np0_1 v_np20_1 (not v_np10_1)) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (not v_np19_1) v_np1_1 v_np6_1 v_np22_1 (= y 0) v_np0_1 v_np20_1) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) v_np13_1 (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (not v_np19_1) v_np22_1 (= y 0) v_np0_1 v_np20_1) (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np20_1) (not v_np21_1) v_np17_1 (or (and (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0)) (and (<= 3 set_yThread1of1ForFork2_thidvar0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1))) (not v_np18_1) (not v_np7_1) (not v_np3_1) v_np4_1 (not v_np9_1) v_np5_1 (not v_np8_1) (not v_np0_1) v_np22_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np4_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (not v_np19_1) v_np6_1 v_np22_1 (= y 0) v_np0_1 v_np20_1) (and v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np9_1) (or (and (= x 0) (<= 3 set_yThread1of1ForFork2_thidvar0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= y 0)) (and (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= y 0))) v_np6_1 (not v_np8_1) v_np22_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np4_1) (not v_np12_1) v_np0_1 v_np20_1 (not v_np10_1)) (and v_np9_1 (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np4_1) (not v_np12_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (not v_np19_1) v_np6_1 v_np22_1 v_np0_1 v_np20_1 (= y 0)) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (not v_np19_1) v_np22_1 (= y 0) v_np0_1 v_np20_1) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np4_1) (not v_np12_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np21_1) v_np17_1 (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (not v_np18_1) (not v_np19_1) v_np3_1 v_np6_1 (not v_np0_1) v_np22_1 v_np20_1 (= y 0)) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (not v_np12_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np21_1) v_np17_1 (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (not v_np18_1) (not v_np19_1) v_np3_1 v_np4_1 (not v_np0_1) v_np22_1 v_np20_1) (and v_np9_1 (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np4_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (not v_np19_1) v_np6_1 v_np22_1 v_np0_1 v_np20_1 (= y 0)) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (not v_np12_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (not v_np19_1) v_np4_1 v_np22_1 v_np0_1 v_np20_1) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np4_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np21_1) v_np17_1 (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (not v_np18_1) (not v_np19_1) v_np3_1 v_np6_1 (not v_np0_1) v_np22_1 v_np20_1 (= y 0)) (and v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (not v_np5_1) (or (and (<= 3 set_yThread1of1ForFork2_thidvar0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1) (= y 0)) (and (= x 0) (<= 3 set_yThread1of1ForFork2_thidvar0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= y 0))) (not v_np19_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 v_np22_1 (not v_np1_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np4_1) (not v_np13_1) v_np0_1 v_np20_1 (not v_np10_1)) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np4_1) (not v_np12_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (not v_np19_1) v_np6_1 v_np22_1 (= y 0) v_np0_1 v_np20_1) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (not v_np19_1) v_np1_1 v_np2_1 v_np6_1 v_np22_1 (= y 0) v_np0_1 v_np20_1) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) v_np11_1 (not v_np1_1) (not v_np14_1) v_np13_1 (not v_np6_1) (not v_np4_1) (not v_np12_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (= x 0) (<= 3 set_yThread1of1ForFork2_thidvar0) (not v_np19_1) v_np2_1 v_np22_1 (= y 0) v_np0_1 v_np20_1) (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np20_1) (not v_np21_1) (or (and (<= 3 set_yThread1of1ForFork2_thidvar0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1) (= y 0)) (and (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= y 0))) v_np17_1 (not v_np18_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np5_1 v_np6_1 (not v_np8_1) (not v_np0_1) v_np22_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1))) [2021-08-12 21:49:55,121 INFO L113 kiGriesValidityCheck]: 5#(or (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np6_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np21_1) v_np17_1 (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (not v_np18_1) (not v_np19_1) v_np3_1 v_np4_1 (not v_np0_1) v_np22_1 v_np20_1) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (not v_np12_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np21_1) v_np17_1 (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (not v_np18_1) (not v_np19_1) v_np3_1 v_np4_1 (not v_np0_1) v_np22_1 v_np20_1) (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np20_1) (not v_np21_1) v_np17_1 (or (and (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0)) (and (<= 3 set_yThread1of1ForFork2_thidvar0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1))) (not v_np18_1) (not v_np7_1) (not v_np3_1) v_np4_1 (not v_np9_1) v_np5_1 (not v_np8_1) (not v_np0_1) v_np22_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np6_1) (not v_np12_1) (not v_np13_1) (not v_np10_1)) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np6_1) (not v_np12_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (not v_np19_1) v_np4_1 v_np22_1 v_np0_1 v_np20_1)) [2021-08-12 21:49:55,144 INFO L113 kiGriesValidityCheck]: 7#(or (and v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np9_1) v_np6_1 (not v_np8_1) (or (and (<= 3 set_yThread1of1ForFork2_thidvar0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1) (= y 0)) (and (= x 0) (<= 3 set_yThread1of1ForFork2_thidvar0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= y 0)) (and (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= y 0))) v_np22_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np4_1) (not v_np13_1) v_np0_1 v_np20_1 (not v_np10_1)) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (not v_np19_1) v_np1_1 v_np6_1 v_np22_1 (= y 0) v_np0_1 v_np20_1) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np4_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (not v_np19_1) v_np6_1 v_np22_1 (= y 0) v_np0_1 v_np20_1) (and v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (not v_np5_1) (not v_np19_1) (not v_np7_1) v_np2_1 (not v_np3_1) (not v_np9_1) (or (and (= x 0) (<= 3 set_yThread1of1ForFork2_thidvar0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= y 0)) (and (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= y 0))) v_np6_1 (not v_np8_1) v_np22_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np4_1) (not v_np12_1) v_np0_1 v_np20_1 (not v_np10_1)) (and v_np9_1 (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np4_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (not v_np19_1) v_np6_1 v_np22_1 v_np0_1 v_np20_1 (= y 0)) (and v_np9_1 (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np4_1) (not v_np12_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np17_1) (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (not v_np19_1) v_np6_1 v_np22_1 v_np0_1 v_np20_1 (= y 0)) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np4_1) (not v_np12_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np21_1) v_np17_1 (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (not v_np18_1) (not v_np19_1) v_np3_1 v_np6_1 (not v_np0_1) v_np22_1 v_np20_1 (= y 0)) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np12_1 (not v_np4_1) (not v_np13_1) (not v_np10_1) (not v_np16_1) (not v_np15_1) (not v_np2_1) (not v_np21_1) v_np17_1 (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (not v_np18_1) (not v_np19_1) v_np3_1 v_np6_1 (not v_np0_1) v_np22_1 v_np20_1 (= y 0)) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np1_1) (not v_np11_1) (not v_np14_1) v_np13_1 (not v_np4_1) (not v_np12_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np2_1) (not v_np17_1) v_np15_1 (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (not v_np19_1) v_np6_1 v_np22_1 (= y 0) v_np0_1 v_np20_1) (and (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1) (not v_np5_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) (not v_np8_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1) v_np18_1 (not v_np16_1) (not v_np15_1) (not v_np17_1) (not v_np21_1) (<= 3 set_yThread1of1ForFork2_thidvar0) (not v_np19_1) v_np1_1 v_np2_1 v_np6_1 v_np22_1 (= y 0) v_np0_1 v_np20_1) (and (not v_np16_1) v_np19_1 (not v_np15_1) (not v_np2_1) (not v_np20_1) (not v_np21_1) (or (and (<= 3 set_yThread1of1ForFork2_thidvar0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= x 1) (= y 0)) (and (<= 3 set_yThread1of1ForFork2_thidvar0) (= x 0) (<= 2 set_x_1Thread1of1ForFork1_thidvar0) (= y 0))) v_np17_1 (not v_np18_1) (not v_np7_1) (not v_np3_1) (not v_np9_1) v_np5_1 v_np6_1 (not v_np8_1) (not v_np0_1) v_np22_1 (not v_np1_1) (not v_np11_1) (not v_np14_1) (not v_np4_1) (not v_np12_1) (not v_np13_1) (not v_np10_1))) [2021-08-12 21:49:55,223 INFO L748 CegarLoopForPetriNet]: Checked inductivity and non-interference of Owicki-Gries annotation in 119604270ns [2021-08-12 21:49:55,224 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Invalid Owicki-Gries annotation at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:111) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:230) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-12 21:49:55,228 INFO L168 Benchmark]: Toolchain (without parser) took 1372.34 ms. Allocated memory is still 175.1 MB. Free memory was 156.2 MB in the beginning and 103.6 MB in the end (delta: 52.7 MB). Peak memory consumption was 52.6 MB. Max. memory is 8.0 GB. [2021-08-12 21:49:55,229 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 175.1 MB. Free memory is still 157.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 21:49:55,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.07 ms. Allocated memory is still 175.1 MB. Free memory was 156.2 MB in the beginning and 154.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:49:55,230 INFO L168 Benchmark]: Boogie Preprocessor took 12.05 ms. Allocated memory is still 175.1 MB. Free memory was 154.8 MB in the beginning and 153.8 MB in the end (delta: 962.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-12 21:49:55,230 INFO L168 Benchmark]: RCFGBuilder took 186.01 ms. Allocated memory is still 175.1 MB. Free memory was 153.8 MB in the beginning and 145.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-08-12 21:49:55,232 INFO L168 Benchmark]: TraceAbstraction took 1138.32 ms. Allocated memory is still 175.1 MB. Free memory was 144.5 MB in the beginning and 103.6 MB in the end (delta: 40.9 MB). Peak memory consumption was 41.0 MB. Max. memory is 8.0 GB. [2021-08-12 21:49:55,237 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 0.17 ms. Allocated memory is still 175.1 MB. Free memory is still 157.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.07 ms. Allocated memory is still 175.1 MB. Free memory was 156.2 MB in the beginning and 154.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.05 ms. Allocated memory is still 175.1 MB. Free memory was 154.8 MB in the beginning and 153.8 MB in the end (delta: 962.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 186.01 ms. Allocated memory is still 175.1 MB. Free memory was 153.8 MB in the beginning and 145.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1138.32 ms. Allocated memory is still 175.1 MB. Free memory was 144.5 MB in the beginning and 103.6 MB in the end (delta: 40.9 MB). Peak memory consumption was 41.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Invalid Owicki-Gries annotation de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Invalid Owicki-Gries annotation: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNet.computeOwickiGries(CegarLoopForPetriNet.java:752) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...