/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:41:39,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:41:39,085 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 06:41:39,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:41:39,112 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:41:39,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:41:39,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:41:39,113 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:41:39,113 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:41:39,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:41:39,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:41:39,117 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:41:39,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:41:39,118 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:41:39,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:41:39,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:41:39,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:41:39,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:41:39,119 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:41:39,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:41:39,119 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:41:39,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:41:39,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:41:39,120 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:41:39,120 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:41:39,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:41:39,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:41:39,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:41:39,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:41:39,121 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:41:39,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:41:39,121 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:41:39,121 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:41:39,121 INFO L153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:41:39,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:41:39,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:41:39,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:41:39,329 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:41:39,329 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:41:39,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i [2023-11-30 06:41:40,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:41:40,588 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:41:40,588 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i [2023-11-30 06:41:40,600 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a8d163e1/f757d33ec62f425caf93e824192adfdb/FLAG4e1a7ea9d [2023-11-30 06:41:40,612 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a8d163e1/f757d33ec62f425caf93e824192adfdb [2023-11-30 06:41:40,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:41:40,615 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:41:40,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:41:40,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:41:40,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:41:40,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:41:40" (1/1) ... [2023-11-30 06:41:40,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1288cad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:40, skipping insertion in model container [2023-11-30 06:41:40,621 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:41:40" (1/1) ... [2023-11-30 06:41:40,657 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:41:40,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:41:40,889 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:41:40,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:41:40,990 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:41:40,990 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:41:40,995 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:41:40,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:40 WrapperNode [2023-11-30 06:41:40,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:41:40,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:41:40,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:41:40,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:41:41,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:40" (1/1) ... [2023-11-30 06:41:41,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:40" (1/1) ... [2023-11-30 06:41:41,056 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 168 [2023-11-30 06:41:41,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:41:41,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:41:41,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:41:41,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:41:41,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:40" (1/1) ... [2023-11-30 06:41:41,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:40" (1/1) ... [2023-11-30 06:41:41,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:40" (1/1) ... [2023-11-30 06:41:41,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:40" (1/1) ... [2023-11-30 06:41:41,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:40" (1/1) ... [2023-11-30 06:41:41,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:40" (1/1) ... [2023-11-30 06:41:41,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:40" (1/1) ... [2023-11-30 06:41:41,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:40" (1/1) ... [2023-11-30 06:41:41,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:41:41,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:41:41,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:41:41,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:41:41,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:40" (1/1) ... [2023-11-30 06:41:41,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:41:41,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:41:41,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 06:41:41,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 06:41:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:41:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:41:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:41:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:41:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:41:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-30 06:41:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-30 06:41:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-30 06:41:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-30 06:41:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-30 06:41:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-30 06:41:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-30 06:41:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-30 06:41:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:41:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:41:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:41:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:41:41,181 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 06:41:41,272 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:41:41,274 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:41:41,507 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:41:41,602 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:41:41,603 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:41:41,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:41:41 BoogieIcfgContainer [2023-11-30 06:41:41,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:41:41,606 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:41:41,606 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:41:41,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:41:41,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:41:40" (1/3) ... [2023-11-30 06:41:41,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5520eb68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:41:41, skipping insertion in model container [2023-11-30 06:41:41,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:41:40" (2/3) ... [2023-11-30 06:41:41,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5520eb68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:41:41, skipping insertion in model container [2023-11-30 06:41:41,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:41:41" (3/3) ... [2023-11-30 06:41:41,609 INFO L112 eAbstractionObserver]: Analyzing ICFG mix029_power.opt_pso.opt_rmo.opt.i [2023-11-30 06:41:41,621 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:41:41,621 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-30 06:41:41,621 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:41:41,672 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 06:41:41,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 154 places, 144 transitions, 304 flow [2023-11-30 06:41:41,758 INFO L124 PetriNetUnfolderBase]: 3/140 cut-off events. [2023-11-30 06:41:41,759 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:41:41,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 140 events. 3/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 110 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2023-11-30 06:41:41,764 INFO L82 GeneralOperation]: Start removeDead. Operand has 154 places, 144 transitions, 304 flow [2023-11-30 06:41:41,770 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 140 transitions, 292 flow [2023-11-30 06:41:41,783 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:41:41,789 INFO L362 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@10bdb3d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:41:41,789 INFO L363 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-30 06:41:41,808 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:41:41,808 INFO L124 PetriNetUnfolderBase]: 0/52 cut-off events. [2023-11-30 06:41:41,808 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:41:41,809 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:41,809 INFO L232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:41:41,810 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:41:41,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:41,813 INFO L85 PathProgramCache]: Analyzing trace with hash -2137777271, now seen corresponding path program 1 times [2023-11-30 06:41:41,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:41,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954184434] [2023-11-30 06:41:41,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:41,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:42,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:41:42,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:42,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954184434] [2023-11-30 06:41:42,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954184434] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:42,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:42,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 06:41:42,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777100397] [2023-11-30 06:41:42,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:42,038 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 06:41:42,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:42,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 06:41:42,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 06:41:42,061 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 144 [2023-11-30 06:41:42,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 140 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:42,065 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:42,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 144 [2023-11-30 06:41:42,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:43,629 INFO L124 PetriNetUnfolderBase]: 3757/13152 cut-off events. [2023-11-30 06:41:43,629 INFO L125 PetriNetUnfolderBase]: For 79/79 co-relation queries the response was YES. [2023-11-30 06:41:43,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18640 conditions, 13152 events. 3757/13152 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 156987 event pairs, 2797 based on Foata normal form. 874/11362 useless extension candidates. Maximal degree in co-relation 18587. Up to 5190 conditions per place. [2023-11-30 06:41:43,754 INFO L140 encePairwiseOnDemand]: 128/144 looper letters, 33 selfloop transitions, 5 changer transitions 0/148 dead transitions. [2023-11-30 06:41:43,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 148 transitions, 393 flow [2023-11-30 06:41:43,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 06:41:43,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 06:41:43,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 400 transitions. [2023-11-30 06:41:43,769 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9259259259259259 [2023-11-30 06:41:43,770 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 400 transitions. [2023-11-30 06:41:43,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 400 transitions. [2023-11-30 06:41:43,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:43,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 400 transitions. [2023-11-30 06:41:43,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:43,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:43,781 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 144.0) internal successors, (576), 4 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:43,783 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, -1 predicate places. [2023-11-30 06:41:43,784 INFO L500 AbstractCegarLoop]: Abstraction has has 149 places, 148 transitions, 393 flow [2023-11-30 06:41:43,784 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:43,784 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:43,784 INFO L232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:41:43,784 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:41:43,785 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:41:43,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:43,785 INFO L85 PathProgramCache]: Analyzing trace with hash 718881757, now seen corresponding path program 1 times [2023-11-30 06:41:43,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:43,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576779437] [2023-11-30 06:41:43,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:43,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:43,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:41:43,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:43,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576779437] [2023-11-30 06:41:43,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576779437] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:43,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:43,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:41:43,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581141643] [2023-11-30 06:41:43,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:43,981 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:41:43,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:43,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:41:43,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:41:43,982 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 144 [2023-11-30 06:41:43,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 148 transitions, 393 flow. Second operand has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:43,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:43,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 144 [2023-11-30 06:41:43,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:44,828 INFO L124 PetriNetUnfolderBase]: 1798/7046 cut-off events. [2023-11-30 06:41:44,828 INFO L125 PetriNetUnfolderBase]: For 283/1387 co-relation queries the response was YES. [2023-11-30 06:41:44,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12301 conditions, 7046 events. 1798/7046 cut-off events. For 283/1387 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 77303 event pairs, 1083 based on Foata normal form. 26/6136 useless extension candidates. Maximal degree in co-relation 12245. Up to 2437 conditions per place. [2023-11-30 06:41:44,864 INFO L140 encePairwiseOnDemand]: 135/144 looper letters, 29 selfloop transitions, 5 changer transitions 0/144 dead transitions. [2023-11-30 06:41:44,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 144 transitions, 445 flow [2023-11-30 06:41:44,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:41:44,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:41:44,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 502 transitions. [2023-11-30 06:41:44,866 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8715277777777778 [2023-11-30 06:41:44,866 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 502 transitions. [2023-11-30 06:41:44,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 502 transitions. [2023-11-30 06:41:44,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:44,866 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 502 transitions. [2023-11-30 06:41:44,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 125.5) internal successors, (502), 4 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:44,869 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 144.0) internal successors, (720), 5 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:44,870 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 144.0) internal successors, (720), 5 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:44,870 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, -2 predicate places. [2023-11-30 06:41:44,870 INFO L500 AbstractCegarLoop]: Abstraction has has 148 places, 144 transitions, 445 flow [2023-11-30 06:41:44,871 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:44,871 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:44,871 INFO L232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:41:44,871 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:41:44,872 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:41:44,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:44,872 INFO L85 PathProgramCache]: Analyzing trace with hash 718881758, now seen corresponding path program 1 times [2023-11-30 06:41:44,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:44,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443771559] [2023-11-30 06:41:44,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:44,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:44,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:41:44,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:44,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443771559] [2023-11-30 06:41:44,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443771559] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:44,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:44,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:41:44,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100742541] [2023-11-30 06:41:44,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:44,981 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:41:44,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:44,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:41:44,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:41:44,983 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 144 [2023-11-30 06:41:44,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 144 transitions, 445 flow. Second operand has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:44,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:44,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 144 [2023-11-30 06:41:44,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:45,345 INFO L124 PetriNetUnfolderBase]: 952/2851 cut-off events. [2023-11-30 06:41:45,345 INFO L125 PetriNetUnfolderBase]: For 633/2297 co-relation queries the response was YES. [2023-11-30 06:41:45,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7167 conditions, 2851 events. 952/2851 cut-off events. For 633/2297 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 24022 event pairs, 154 based on Foata normal form. 18/2559 useless extension candidates. Maximal degree in co-relation 7108. Up to 1278 conditions per place. [2023-11-30 06:41:45,362 INFO L140 encePairwiseOnDemand]: 135/144 looper letters, 38 selfloop transitions, 9 changer transitions 0/157 dead transitions. [2023-11-30 06:41:45,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 157 transitions, 623 flow [2023-11-30 06:41:45,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:41:45,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:41:45,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2023-11-30 06:41:45,364 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8940972222222222 [2023-11-30 06:41:45,364 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 515 transitions. [2023-11-30 06:41:45,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 515 transitions. [2023-11-30 06:41:45,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:45,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 515 transitions. [2023-11-30 06:41:45,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 128.75) internal successors, (515), 4 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:45,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 144.0) internal successors, (720), 5 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:45,367 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 144.0) internal successors, (720), 5 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:45,368 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, 1 predicate places. [2023-11-30 06:41:45,368 INFO L500 AbstractCegarLoop]: Abstraction has has 151 places, 157 transitions, 623 flow [2023-11-30 06:41:45,368 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 117.5) internal successors, (470), 4 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:45,368 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:45,369 INFO L232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:41:45,369 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:41:45,369 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:41:45,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:45,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1755409022, now seen corresponding path program 1 times [2023-11-30 06:41:45,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:45,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201195877] [2023-11-30 06:41:45,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:45,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:45,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:41:45,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:45,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201195877] [2023-11-30 06:41:45,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201195877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:45,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:45,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 06:41:45,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894001180] [2023-11-30 06:41:45,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:45,531 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 06:41:45,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:45,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 06:41:45,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-30 06:41:45,536 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 144 [2023-11-30 06:41:45,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 157 transitions, 623 flow. Second operand has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:45,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:45,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 144 [2023-11-30 06:41:45,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:45,905 INFO L124 PetriNetUnfolderBase]: 739/2493 cut-off events. [2023-11-30 06:41:45,905 INFO L125 PetriNetUnfolderBase]: For 999/2245 co-relation queries the response was YES. [2023-11-30 06:41:45,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6872 conditions, 2493 events. 739/2493 cut-off events. For 999/2245 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 20938 event pairs, 179 based on Foata normal form. 69/2436 useless extension candidates. Maximal degree in co-relation 6810. Up to 942 conditions per place. [2023-11-30 06:41:45,921 INFO L140 encePairwiseOnDemand]: 135/144 looper letters, 42 selfloop transitions, 13 changer transitions 4/169 dead transitions. [2023-11-30 06:41:45,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 169 transitions, 840 flow [2023-11-30 06:41:45,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 06:41:45,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 06:41:45,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 643 transitions. [2023-11-30 06:41:45,923 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8930555555555556 [2023-11-30 06:41:45,923 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 643 transitions. [2023-11-30 06:41:45,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 643 transitions. [2023-11-30 06:41:45,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:45,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 643 transitions. [2023-11-30 06:41:45,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 128.6) internal successors, (643), 5 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:45,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 144.0) internal successors, (864), 6 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:45,926 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 144.0) internal successors, (864), 6 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:45,927 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, 5 predicate places. [2023-11-30 06:41:45,927 INFO L500 AbstractCegarLoop]: Abstraction has has 155 places, 169 transitions, 840 flow [2023-11-30 06:41:45,928 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:45,928 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:41:45,928 INFO L232 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:41:45,928 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 06:41:45,928 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:41:45,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:41:45,929 INFO L85 PathProgramCache]: Analyzing trace with hash 478514660, now seen corresponding path program 1 times [2023-11-30 06:41:45,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:41:45,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487152453] [2023-11-30 06:41:45,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:41:45,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:41:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:41:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:41:46,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:41:46,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487152453] [2023-11-30 06:41:46,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487152453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:41:46,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:41:46,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 06:41:46,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555630033] [2023-11-30 06:41:46,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:41:46,050 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 06:41:46,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:41:46,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 06:41:46,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 06:41:46,051 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 144 [2023-11-30 06:41:46,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 169 transitions, 840 flow. Second operand has 6 states, 6 states have (on average 118.16666666666667) internal successors, (709), 6 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:46,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:41:46,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 144 [2023-11-30 06:41:46,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:41:46,416 INFO L124 PetriNetUnfolderBase]: 727/2387 cut-off events. [2023-11-30 06:41:46,417 INFO L125 PetriNetUnfolderBase]: For 1657/2939 co-relation queries the response was YES. [2023-11-30 06:41:46,450 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7703 conditions, 2387 events. 727/2387 cut-off events. For 1657/2939 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 19580 event pairs, 185 based on Foata normal form. 80/2363 useless extension candidates. Maximal degree in co-relation 7638. Up to 914 conditions per place. [2023-11-30 06:41:46,453 INFO L140 encePairwiseOnDemand]: 135/144 looper letters, 0 selfloop transitions, 0 changer transitions 168/168 dead transitions. [2023-11-30 06:41:46,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 168 transitions, 946 flow [2023-11-30 06:41:46,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 06:41:46,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 06:41:46,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 758 transitions. [2023-11-30 06:41:46,459 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8773148148148148 [2023-11-30 06:41:46,459 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 758 transitions. [2023-11-30 06:41:46,459 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 758 transitions. [2023-11-30 06:41:46,460 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:41:46,460 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 758 transitions. [2023-11-30 06:41:46,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 126.33333333333333) internal successors, (758), 6 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:46,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 144.0) internal successors, (1008), 7 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:46,479 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 144.0) internal successors, (1008), 7 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:46,481 INFO L307 CegarLoopForPetriNet]: 150 programPoint places, 6 predicate places. [2023-11-30 06:41:46,481 INFO L500 AbstractCegarLoop]: Abstraction has has 156 places, 168 transitions, 946 flow [2023-11-30 06:41:46,481 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.16666666666667) internal successors, (709), 6 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:41:46,488 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix029_power.opt_pso.opt_rmo.opt.i_BEv2_AllErrorsAtOnce [2023-11-30 06:41:46,509 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-30 06:41:46,509 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-30 06:41:46,510 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-30 06:41:46,510 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-30 06:41:46,510 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-30 06:41:46,510 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-30 06:41:46,510 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-30 06:41:46,510 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-30 06:41:46,510 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-30 06:41:46,510 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-30 06:41:46,511 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-30 06:41:46,511 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-30 06:41:46,511 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-30 06:41:46,511 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-30 06:41:46,511 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-30 06:41:46,511 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-30 06:41:46,511 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-30 06:41:46,511 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-30 06:41:46,511 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-30 06:41:46,511 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-30 06:41:46,512 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 06:41:46,512 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-30 06:41:46,516 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:41:46,516 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:41:46,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:41:46 BasicIcfg [2023-11-30 06:41:46,520 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:41:46,521 INFO L158 Benchmark]: Toolchain (without parser) took 5905.71ms. Allocated memory was 367.0MB in the beginning and 2.8GB in the end (delta: 2.5GB). Free memory was 303.7MB in the beginning and 2.6GB in the end (delta: -2.2GB). Peak memory consumption was 383.7MB. Max. memory is 16.0GB. [2023-11-30 06:41:46,521 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 367.0MB. Free memory was 317.0MB in the beginning and 316.9MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:41:46,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.06ms. Allocated memory was 367.0MB in the beginning and 509.6MB in the end (delta: 142.6MB). Free memory was 303.4MB in the beginning and 473.9MB in the end (delta: -170.5MB). Peak memory consumption was 29.6MB. Max. memory is 16.0GB. [2023-11-30 06:41:46,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.23ms. Allocated memory is still 509.6MB. Free memory was 473.9MB in the beginning and 471.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 06:41:46,522 INFO L158 Benchmark]: Boogie Preprocessor took 32.46ms. Allocated memory is still 509.6MB. Free memory was 471.1MB in the beginning and 469.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:41:46,522 INFO L158 Benchmark]: RCFGBuilder took 513.72ms. Allocated memory is still 509.6MB. Free memory was 469.0MB in the beginning and 426.9MB in the end (delta: 42.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.0GB. [2023-11-30 06:41:46,522 INFO L158 Benchmark]: TraceAbstraction took 4914.72ms. Allocated memory was 509.6MB in the beginning and 2.8GB in the end (delta: 2.3GB). Free memory was 426.2MB in the beginning and 2.6GB in the end (delta: -2.1GB). Peak memory consumption was 362.4MB. Max. memory is 16.0GB. [2023-11-30 06:41:46,524 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 367.0MB. Free memory was 317.0MB in the beginning and 316.9MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 380.06ms. Allocated memory was 367.0MB in the beginning and 509.6MB in the end (delta: 142.6MB). Free memory was 303.4MB in the beginning and 473.9MB in the end (delta: -170.5MB). Peak memory consumption was 29.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 60.23ms. Allocated memory is still 509.6MB. Free memory was 473.9MB in the beginning and 471.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 32.46ms. Allocated memory is still 509.6MB. Free memory was 471.1MB in the beginning and 469.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 513.72ms. Allocated memory is still 509.6MB. Free memory was 469.0MB in the beginning and 426.9MB in the end (delta: 42.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.0GB. * TraceAbstraction took 4914.72ms. Allocated memory was 509.6MB in the beginning and 2.8GB in the end (delta: 2.3GB). Free memory was 426.2MB in the beginning and 2.6GB in the end (delta: -2.1GB). Peak memory consumption was 362.4MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 778]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 778]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 187 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 143 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 295 IncrementalHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 5 mSDtfsCounter, 295 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=946occurred in iteration=5, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 325 NumberOfCodeBlocks, 325 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 900 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 06:41:46,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...