/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/goblint-regression/04-mutex_43-thread_create_nr.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m
[2023-11-30 07:21:44,011 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-30 07:21:44,067 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 07:21:44,095 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-30 07:21:44,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-30 07:21:44,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-30 07:21:44,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-30 07:21:44,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-30 07:21:44,097 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-30 07:21:44,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-30 07:21:44,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-30 07:21:44,100 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-30 07:21:44,101 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-30 07:21:44,101 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-30 07:21:44,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-30 07:21:44,102 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-30 07:21:44,102 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-30 07:21:44,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-30 07:21:44,102 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-30 07:21:44,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-30 07:21:44,102 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-30 07:21:44,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-30 07:21:44,103 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-30 07:21:44,103 INFO L153 SettingsManager]: * To the following directory=./dump/
[2023-11-30 07:21:44,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-30 07:21:44,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-30 07:21:44,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-30 07:21:44,104 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-30 07:21:44,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-30 07:21:44,104 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-30 07:21:44,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-30 07:21:44,105 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-30 07:21:44,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-30 07:21:44,105 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true
[2023-11-30 07:21:44,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-30 07:21:44,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-30 07:21:44,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-30 07:21:44,309 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-30 07:21:44,309 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-30 07:21:44,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_43-thread_create_nr.i
[2023-11-30 07:21:45,290 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-30 07:21:45,518 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-30 07:21:45,519 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_43-thread_create_nr.i
[2023-11-30 07:21:45,531 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f089ec357/5d02cbcbc5f84be5ada0ef3859abb50e/FLAG6e8b4a1d0
[2023-11-30 07:21:45,540 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f089ec357/5d02cbcbc5f84be5ada0ef3859abb50e
[2023-11-30 07:21:45,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-30 07:21:45,542 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2023-11-30 07:21:45,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-30 07:21:45,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-30 07:21:45,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-30 07:21:45,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 07:21:45" (1/1) ...
[2023-11-30 07:21:45,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b40f519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:45, skipping insertion in model container
[2023-11-30 07:21:45,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 07:21:45" (1/1) ...
[2023-11-30 07:21:45,584 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-30 07:21:45,808 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-30 07:21:45,820 INFO L202 MainTranslator]: Completed pre-run
[2023-11-30 07:21:45,857 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-30 07:21:45,904 INFO L206 MainTranslator]: Completed translation
[2023-11-30 07:21:45,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:45 WrapperNode
[2023-11-30 07:21:45,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-30 07:21:45,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-30 07:21:45,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-30 07:21:45,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-30 07:21:45,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:45" (1/1) ...
[2023-11-30 07:21:45,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:45" (1/1) ...
[2023-11-30 07:21:45,953 INFO L138 Inliner]: procedures = 263, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43
[2023-11-30 07:21:45,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-30 07:21:45,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-30 07:21:45,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-30 07:21:45,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-30 07:21:45,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:45" (1/1) ...
[2023-11-30 07:21:45,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:45" (1/1) ...
[2023-11-30 07:21:45,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:45" (1/1) ...
[2023-11-30 07:21:45,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:45" (1/1) ...
[2023-11-30 07:21:45,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:45" (1/1) ...
[2023-11-30 07:21:45,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:45" (1/1) ...
[2023-11-30 07:21:45,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:45" (1/1) ...
[2023-11-30 07:21:45,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:45" (1/1) ...
[2023-11-30 07:21:45,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-30 07:21:45,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-30 07:21:45,981 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-30 07:21:45,981 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-30 07:21:45,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:45" (1/1) ...
[2023-11-30 07:21:45,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-30 07:21:45,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-30 07:21:46,003 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 07:21:46,021 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 07:21:46,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-30 07:21:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-30 07:21:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2023-11-30 07:21:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-30 07:21:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-11-30 07:21:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-30 07:21:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2023-11-30 07:21:46,028 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2023-11-30 07:21:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-30 07:21:46,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-30 07:21:46,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-30 07:21:46,030 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 07:21:46,146 INFO L241 CfgBuilder]: Building ICFG
[2023-11-30 07:21:46,148 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-30 07:21:46,240 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-30 07:21:46,251 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-30 07:21:46,251 INFO L309 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-30 07:21:46,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 07:21:46 BoogieIcfgContainer
[2023-11-30 07:21:46,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-30 07:21:46,254 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-30 07:21:46,254 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-30 07:21:46,256 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-30 07:21:46,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 07:21:45" (1/3) ...
[2023-11-30 07:21:46,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de188c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 07:21:46, skipping insertion in model container
[2023-11-30 07:21:46,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:21:45" (2/3) ...
[2023-11-30 07:21:46,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de188c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 07:21:46, skipping insertion in model container
[2023-11-30 07:21:46,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 07:21:46" (3/3) ...
[2023-11-30 07:21:46,258 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_43-thread_create_nr.i
[2023-11-30 07:21:46,296 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-30 07:21:46,296 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2023-11-30 07:21:46,296 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-30 07:21:46,341 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-30 07:21:46,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 62 transitions, 128 flow
[2023-11-30 07:21:46,384 INFO L124 PetriNetUnfolderBase]: 0/61 cut-off events.
[2023-11-30 07:21:46,384 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-30 07:21:46,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 61 events. 0/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 37 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.
[2023-11-30 07:21:46,387 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 62 transitions, 128 flow
[2023-11-30 07:21:46,389 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 61 transitions, 125 flow
[2023-11-30 07:21:46,395 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-30 07:21:46,400 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;@6630092f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-30 07:21:46,400 INFO L363 AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2023-11-30 07:21:46,405 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-30 07:21:46,405 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events.
[2023-11-30 07:21:46,405 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-30 07:21:46,405 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:21:46,406 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]
[2023-11-30 07:21:46,406 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2023-11-30 07:21:46,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:21:46,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1457098364, now seen corresponding path program 1 times
[2023-11-30 07:21:46,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:21:46,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177512967]
[2023-11-30 07:21:46,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:21:46,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:21:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:21:46,603 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 07:21:46,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:21:46,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177512967]
[2023-11-30 07:21:46,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177512967] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:21:46,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:21:46,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-30 07:21:46,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630672137]
[2023-11-30 07:21:46,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:21:46,612 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-30 07:21:46,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:21:46,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-30 07:21:46,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-30 07:21:46,636 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 62
[2023-11-30 07:21:46,638 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 61 transitions, 125 flow. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 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 07:21:46,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:21:46,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 62
[2023-11-30 07:21:46,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:21:46,666 INFO L124 PetriNetUnfolderBase]: 0/59 cut-off events.
[2023-11-30 07:21:46,667 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2023-11-30 07:21:46,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 59 events. 0/59 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 0. Up to 10 conditions per place.
[2023-11-30 07:21:46,668 INFO L140 encePairwiseOnDemand]: 58/62 looper letters, 10 selfloop transitions, 2 changer transitions 0/59 dead transitions.
[2023-11-30 07:21:46,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 59 transitions, 145 flow
[2023-11-30 07:21:46,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-30 07:21:46,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-30 07:21:46,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 158 transitions.
[2023-11-30 07:21:46,678 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8494623655913979
[2023-11-30 07:21:46,678 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 158 transitions.
[2023-11-30 07:21:46,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 158 transitions.
[2023-11-30 07:21:46,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:21:46,682 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 158 transitions.
[2023-11-30 07:21:46,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 07:21:46,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 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 07:21:46,692 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 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 07:21:46,696 INFO L307 CegarLoopForPetriNet]: 65 programPoint places, 0 predicate places.
[2023-11-30 07:21:46,696 INFO L500 AbstractCegarLoop]: Abstraction has has 65 places, 59 transitions, 145 flow
[2023-11-30 07:21:46,696 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 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 07:21:46,696 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:21:46,696 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]
[2023-11-30 07:21:46,697 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-30 07:21:46,697 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2023-11-30 07:21:46,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:21:46,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1969106916, now seen corresponding path program 1 times
[2023-11-30 07:21:46,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:21:46,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925821536]
[2023-11-30 07:21:46,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:21:46,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:21:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:21:46,795 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 07:21:46,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:21:46,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925821536]
[2023-11-30 07:21:46,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925821536] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:21:46,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:21:46,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-30 07:21:46,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759573101]
[2023-11-30 07:21:46,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:21:46,799 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-30 07:21:46,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:21:46,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-30 07:21:46,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-30 07:21:46,802 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 62
[2023-11-30 07:21:46,802 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 59 transitions, 145 flow. Second operand has 4 states, 4 states have (on average 49.75) internal successors, (199), 4 states have internal predecessors, (199), 0 states have call successors, (0), 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 07:21:46,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:21:46,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 62
[2023-11-30 07:21:46,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:21:46,857 INFO L124 PetriNetUnfolderBase]: 0/58 cut-off events.
[2023-11-30 07:21:46,857 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES.
[2023-11-30 07:21:46,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 58 events. 0/58 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 30 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 0. Up to 9 conditions per place.
[2023-11-30 07:21:46,858 INFO L140 encePairwiseOnDemand]: 59/62 looper letters, 9 selfloop transitions, 2 changer transitions 0/58 dead transitions.
[2023-11-30 07:21:46,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 58 transitions, 163 flow
[2023-11-30 07:21:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-30 07:21:46,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-30 07:21:46,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 204 transitions.
[2023-11-30 07:21:46,859 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8225806451612904
[2023-11-30 07:21:46,859 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 204 transitions.
[2023-11-30 07:21:46,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 204 transitions.
[2023-11-30 07:21:46,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:21:46,860 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 204 transitions.
[2023-11-30 07:21:46,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 51.0) internal successors, (204), 4 states have internal predecessors, (204), 0 states have call successors, (0), 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 07:21:46,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 62.0) internal successors, (310), 5 states have internal predecessors, (310), 0 states have call successors, (0), 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 07:21:46,861 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 62.0) internal successors, (310), 5 states have internal predecessors, (310), 0 states have call successors, (0), 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 07:21:46,862 INFO L307 CegarLoopForPetriNet]: 65 programPoint places, 2 predicate places.
[2023-11-30 07:21:46,862 INFO L500 AbstractCegarLoop]: Abstraction has has 67 places, 58 transitions, 163 flow
[2023-11-30 07:21:46,862 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 4 states have internal predecessors, (199), 0 states have call successors, (0), 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 07:21:46,862 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:21:46,862 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]
[2023-11-30 07:21:46,862 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-30 07:21:46,862 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2023-11-30 07:21:46,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:21:46,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1968719713, now seen corresponding path program 1 times
[2023-11-30 07:21:46,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:21:46,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953886186]
[2023-11-30 07:21:46,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:21:46,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:21:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:21:46,959 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 07:21:46,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:21:46,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953886186]
[2023-11-30 07:21:46,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953886186] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:21:46,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:21:46,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-30 07:21:46,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417236521]
[2023-11-30 07:21:46,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:21:46,962 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-30 07:21:46,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:21:46,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-30 07:21:46,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-30 07:21:46,963 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 62
[2023-11-30 07:21:46,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 58 transitions, 163 flow. Second operand has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 0 states have call successors, (0), 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 07:21:46,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:21:46,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 62
[2023-11-30 07:21:46,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:21:47,039 INFO L124 PetriNetUnfolderBase]: 12/93 cut-off events.
[2023-11-30 07:21:47,041 INFO L125 PetriNetUnfolderBase]: For 58/154 co-relation queries the response was YES.
[2023-11-30 07:21:47,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 93 events. 12/93 cut-off events. For 58/154 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 178 event pairs, 2 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 129. Up to 21 conditions per place.
[2023-11-30 07:21:47,044 INFO L140 encePairwiseOnDemand]: 56/62 looper letters, 10 selfloop transitions, 4 changer transitions 9/62 dead transitions.
[2023-11-30 07:21:47,044 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 62 transitions, 231 flow
[2023-11-30 07:21:47,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-30 07:21:47,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-30 07:21:47,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 260 transitions.
[2023-11-30 07:21:47,047 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8387096774193549
[2023-11-30 07:21:47,047 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 260 transitions.
[2023-11-30 07:21:47,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 260 transitions.
[2023-11-30 07:21:47,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:21:47,047 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 260 transitions.
[2023-11-30 07:21:47,048 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 52.0) internal successors, (260), 5 states have internal predecessors, (260), 0 states have call successors, (0), 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 07:21:47,049 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 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 07:21:47,049 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 62.0) internal successors, (372), 6 states have internal predecessors, (372), 0 states have call successors, (0), 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 07:21:47,050 INFO L307 CegarLoopForPetriNet]: 65 programPoint places, 4 predicate places.
[2023-11-30 07:21:47,050 INFO L500 AbstractCegarLoop]: Abstraction has has 69 places, 62 transitions, 231 flow
[2023-11-30 07:21:47,050 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 0 states have call successors, (0), 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 07:21:47,050 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:21:47,050 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]
[2023-11-30 07:21:47,050 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-30 07:21:47,050 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2023-11-30 07:21:47,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:21:47,051 INFO L85 PathProgramCache]: Analyzing trace with hash 912772420, now seen corresponding path program 1 times
[2023-11-30 07:21:47,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:21:47,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639475628]
[2023-11-30 07:21:47,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:21:47,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:21:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:21:47,144 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 07:21:47,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:21:47,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639475628]
[2023-11-30 07:21:47,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639475628] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:21:47,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:21:47,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-30 07:21:47,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447909059]
[2023-11-30 07:21:47,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:21:47,149 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-30 07:21:47,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:21:47,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-30 07:21:47,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-30 07:21:47,151 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 62
[2023-11-30 07:21:47,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 62 transitions, 231 flow. Second operand has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 0 states have call successors, (0), 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 07:21:47,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:21:47,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 62
[2023-11-30 07:21:47,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:21:47,188 INFO L124 PetriNetUnfolderBase]: 12/92 cut-off events.
[2023-11-30 07:21:47,188 INFO L125 PetriNetUnfolderBase]: For 121/229 co-relation queries the response was YES.
[2023-11-30 07:21:47,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 92 events. 12/92 cut-off events. For 121/229 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 174 event pairs, 2 based on Foata normal form. 4/94 useless extension candidates. Maximal degree in co-relation 143. Up to 20 conditions per place.
[2023-11-30 07:21:47,189 INFO L140 encePairwiseOnDemand]: 58/62 looper letters, 0 selfloop transitions, 0 changer transitions 61/61 dead transitions.
[2023-11-30 07:21:47,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 61 transitions, 257 flow
[2023-11-30 07:21:47,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-30 07:21:47,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-30 07:21:47,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 203 transitions.
[2023-11-30 07:21:47,192 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8185483870967742
[2023-11-30 07:21:47,192 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 203 transitions.
[2023-11-30 07:21:47,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 203 transitions.
[2023-11-30 07:21:47,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:21:47,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 203 transitions.
[2023-11-30 07:21:47,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 50.75) internal successors, (203), 4 states have internal predecessors, (203), 0 states have call successors, (0), 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 07:21:47,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 62.0) internal successors, (310), 5 states have internal predecessors, (310), 0 states have call successors, (0), 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 07:21:47,196 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 62.0) internal successors, (310), 5 states have internal predecessors, (310), 0 states have call successors, (0), 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 07:21:47,197 INFO L307 CegarLoopForPetriNet]: 65 programPoint places, 6 predicate places.
[2023-11-30 07:21:47,198 INFO L500 AbstractCegarLoop]: Abstraction has has 71 places, 61 transitions, 257 flow
[2023-11-30 07:21:47,198 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.0) internal successors, (200), 4 states have internal predecessors, (200), 0 states have call successors, (0), 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 07:21:47,203 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/04-mutex_43-thread_create_nr.i_BEv2_AllErrorsAtOnce
[2023-11-30 07:21:47,225 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 9 remaining)
[2023-11-30 07:21:47,226 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 9 remaining)
[2023-11-30 07:21:47,226 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 9 remaining)
[2023-11-30 07:21:47,226 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 9 remaining)
[2023-11-30 07:21:47,226 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining)
[2023-11-30 07:21:47,226 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 9 remaining)
[2023-11-30 07:21:47,226 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 9 remaining)
[2023-11-30 07:21:47,227 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 9 remaining)
[2023-11-30 07:21:47,227 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 9 remaining)
[2023-11-30 07:21:47,227 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-30 07:21:47,227 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-11-30 07:21:47,231 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-30 07:21:47,231 INFO L172 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-30 07:21:47,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 07:21:47 BasicIcfg
[2023-11-30 07:21:47,236 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-30 07:21:47,236 INFO L158 Benchmark]: Toolchain (without parser) took 1694.40ms. Allocated memory is still 616.6MB. Free memory was 557.8MB in the beginning and 486.4MB in the end (delta: 71.3MB). Peak memory consumption was 68.8MB. Max. memory is 16.0GB.
[2023-11-30 07:21:47,237 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 383.8MB. Free memory is still 330.1MB. There was no memory consumed. Max. memory is 16.0GB.
[2023-11-30 07:21:47,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.67ms. Allocated memory is still 616.6MB. Free memory was 557.8MB in the beginning and 530.3MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB.
[2023-11-30 07:21:47,237 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.07ms. Allocated memory is still 616.6MB. Free memory was 530.3MB in the beginning and 528.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
[2023-11-30 07:21:47,237 INFO L158 Benchmark]: Boogie Preprocessor took 26.64ms. Allocated memory is still 616.6MB. Free memory was 528.0MB in the beginning and 526.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
[2023-11-30 07:21:47,238 INFO L158 Benchmark]: RCFGBuilder took 271.45ms. Allocated memory is still 616.6MB. Free memory was 526.6MB in the beginning and 513.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB.
[2023-11-30 07:21:47,238 INFO L158 Benchmark]: TraceAbstraction took 982.48ms. Allocated memory is still 616.6MB. Free memory was 512.7MB in the beginning and 486.4MB in the end (delta: 26.3MB). Peak memory consumption was 24.8MB. Max. memory is 16.0GB.
[2023-11-30 07:21:47,239 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.10ms. Allocated memory is still 383.8MB. Free memory is still 330.1MB. There was no memory consumed. Max. memory is 16.0GB.
* CACSL2BoogieTranslator took 361.67ms. Allocated memory is still 616.6MB. Free memory was 557.8MB in the beginning and 530.3MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB.
* Boogie Procedure Inliner took 48.07ms. Allocated memory is still 616.6MB. Free memory was 530.3MB in the beginning and 528.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
* Boogie Preprocessor took 26.64ms. Allocated memory is still 616.6MB. Free memory was 528.0MB in the beginning and 526.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
* RCFGBuilder took 271.45ms. Allocated memory is still 616.6MB. Free memory was 526.6MB in the beginning and 513.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB.
* TraceAbstraction took 982.48ms. Allocated memory is still 616.6MB. Free memory was 512.7MB in the beginning and 486.4MB in the end (delta: 26.3MB). Peak memory consumption was 24.8MB. Max. memory is 16.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 930]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 930]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 932]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 932]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 923]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 923]: 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 3 procedures, 77 locations, 9 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: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 13 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=257occurred in iteration=4, InterpolantAutomatonStates: 16, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 327 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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
6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-30 07:21:47,267 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...