/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/weaver/parallel-ticket-2.wvr.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m
[2023-11-30 09:13:26,530 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-30 09:13:26,597 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 09:13:26,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-30 09:13:26,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-30 09:13:26,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-30 09:13:26,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-30 09:13:26,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-30 09:13:26,623 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-30 09:13:26,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-30 09:13:26,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-30 09:13:26,627 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-30 09:13:26,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-30 09:13:26,628 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-30 09:13:26,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-30 09:13:26,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-30 09:13:26,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-30 09:13:26,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-30 09:13:26,628 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-30 09:13:26,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-30 09:13:26,629 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-30 09:13:26,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-30 09:13:26,629 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-30 09:13:26,630 INFO L153 SettingsManager]: * To the following directory=./dump/
[2023-11-30 09:13:26,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-30 09:13:26,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-30 09:13:26,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-30 09:13:26,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-30 09:13:26,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-30 09:13:26,630 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-30 09:13:26,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-30 09:13:26,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-30 09:13:26,631 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-30 09:13:26,631 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true
[2023-11-30 09:13:26,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-30 09:13:26,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-30 09:13:26,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-30 09:13:26,802 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-30 09:13:26,804 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-30 09:13:26,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c
[2023-11-30 09:13:27,783 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-30 09:13:27,915 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-30 09:13:27,915 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c
[2023-11-30 09:13:27,920 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7627f5fa2/403f8373c5714eb19ef6b158cd3767b6/FLAG1dfe73efd
[2023-11-30 09:13:27,929 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7627f5fa2/403f8373c5714eb19ef6b158cd3767b6
[2023-11-30 09:13:27,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-30 09:13:27,931 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2023-11-30 09:13:27,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-30 09:13:27,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-30 09:13:27,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-30 09:13:27,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 09:13:27" (1/1) ...
[2023-11-30 09:13:27,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7804bdd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:27, skipping insertion in model container
[2023-11-30 09:13:27,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 09:13:27" (1/1) ...
[2023-11-30 09:13:27,952 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-30 09:13:28,076 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-30 09:13:28,087 INFO L202 MainTranslator]: Completed pre-run
[2023-11-30 09:13:28,100 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-30 09:13:28,105 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-30 09:13:28,105 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-30 09:13:28,110 INFO L206 MainTranslator]: Completed translation
[2023-11-30 09:13:28,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:28 WrapperNode
[2023-11-30 09:13:28,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-30 09:13:28,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-30 09:13:28,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-30 09:13:28,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-30 09:13:28,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:28" (1/1) ...
[2023-11-30 09:13:28,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:28" (1/1) ...
[2023-11-30 09:13:28,138 INFO L138 Inliner]: procedures = 21, calls = 41, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 135
[2023-11-30 09:13:28,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-30 09:13:28,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-30 09:13:28,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-30 09:13:28,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-30 09:13:28,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:28" (1/1) ...
[2023-11-30 09:13:28,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:28" (1/1) ...
[2023-11-30 09:13:28,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:28" (1/1) ...
[2023-11-30 09:13:28,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:28" (1/1) ...
[2023-11-30 09:13:28,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:28" (1/1) ...
[2023-11-30 09:13:28,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:28" (1/1) ...
[2023-11-30 09:13:28,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:28" (1/1) ...
[2023-11-30 09:13:28,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:28" (1/1) ...
[2023-11-30 09:13:28,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-30 09:13:28,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-30 09:13:28,160 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-30 09:13:28,160 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-30 09:13:28,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:28" (1/1) ...
[2023-11-30 09:13:28,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-30 09:13:28,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-30 09:13:28,188 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 09:13:28,192 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 09:13:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-30 09:13:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2023-11-30 09:13:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2023-11-30 09:13:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2023-11-30 09:13:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2023-11-30 09:13:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-30 09:13:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-30 09:13:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-30 09:13:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-30 09:13:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-30 09:13:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-30 09:13:28,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-30 09:13:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-30 09:13:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-30 09:13:28,210 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 09:13:28,269 INFO L241 CfgBuilder]: Building ICFG
[2023-11-30 09:13:28,271 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-30 09:13:28,403 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-30 09:13:28,446 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-30 09:13:28,446 INFO L309 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-30 09:13:28,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 09:13:28 BoogieIcfgContainer
[2023-11-30 09:13:28,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-30 09:13:28,449 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-30 09:13:28,449 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-30 09:13:28,451 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-30 09:13:28,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 09:13:27" (1/3) ...
[2023-11-30 09:13:28,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d71b7ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 09:13:28, skipping insertion in model container
[2023-11-30 09:13:28,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 09:13:28" (2/3) ...
[2023-11-30 09:13:28,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d71b7ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 09:13:28, skipping insertion in model container
[2023-11-30 09:13:28,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 09:13:28" (3/3) ...
[2023-11-30 09:13:28,452 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-2.wvr.c
[2023-11-30 09:13:28,463 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-30 09:13:28,463 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2023-11-30 09:13:28,463 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-30 09:13:28,523 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-11-30 09:13:28,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 110 transitions, 234 flow
[2023-11-30 09:13:28,604 INFO L124 PetriNetUnfolderBase]: 2/108 cut-off events.
[2023-11-30 09:13:28,604 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2023-11-30 09:13:28,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 108 events. 2/108 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 61 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place.
[2023-11-30 09:13:28,607 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 110 transitions, 234 flow
[2023-11-30 09:13:28,609 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 86 transitions, 181 flow
[2023-11-30 09:13:28,615 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-30 09:13:28,619 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;@3a84c48b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-30 09:13:28,619 INFO L363 AbstractCegarLoop]: Starting to check reachability of 18 error locations.
[2023-11-30 09:13:28,645 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-30 09:13:28,645 INFO L124 PetriNetUnfolderBase]: 1/53 cut-off events.
[2023-11-30 09:13:28,645 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-30 09:13:28,645 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 09:13:28,646 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]
[2023-11-30 09:13:28,646 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2023-11-30 09:13:28,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 09:13:28,654 INFO L85 PathProgramCache]: Analyzing trace with hash -935578668, now seen corresponding path program 1 times
[2023-11-30 09:13:28,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 09:13:28,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487995520]
[2023-11-30 09:13:28,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 09:13:28,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 09:13:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 09:13:28,955 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 09:13:28,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 09:13:28,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487995520]
[2023-11-30 09:13:28,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487995520] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 09:13:28,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 09:13:28,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-30 09:13:28,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995773865]
[2023-11-30 09:13:28,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 09:13:28,966 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-30 09:13:28,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 09:13:28,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-30 09:13:28,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-30 09:13:28,989 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 110
[2023-11-30 09:13:28,991 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 86 transitions, 181 flow. Second operand has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 0 states have call successors, (0), 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 09:13:28,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 09:13:28,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 110
[2023-11-30 09:13:28,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 09:13:29,082 INFO L124 PetriNetUnfolderBase]: 48/216 cut-off events.
[2023-11-30 09:13:29,083 INFO L125 PetriNetUnfolderBase]: For 29/29 co-relation queries the response was YES.
[2023-11-30 09:13:29,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 361 conditions, 216 events. 48/216 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 806 event pairs, 48 based on Foata normal form. 1/163 useless extension candidates. Maximal degree in co-relation 255. Up to 116 conditions per place.
[2023-11-30 09:13:29,085 INFO L140 encePairwiseOnDemand]: 104/110 looper letters, 19 selfloop transitions, 3 changer transitions 1/83 dead transitions.
[2023-11-30 09:13:29,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 83 transitions, 219 flow
[2023-11-30 09:13:29,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-30 09:13:29,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-30 09:13:29,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 349 transitions.
[2023-11-30 09:13:29,098 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7931818181818182
[2023-11-30 09:13:29,098 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 349 transitions.
[2023-11-30 09:13:29,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 349 transitions.
[2023-11-30 09:13:29,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 09:13:29,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 349 transitions.
[2023-11-30 09:13:29,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 87.25) internal successors, (349), 4 states have internal predecessors, (349), 0 states have call successors, (0), 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 09:13:29,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 0 states have call successors, (0), 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 09:13:29,106 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 0 states have call successors, (0), 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 09:13:29,108 INFO L307 CegarLoopForPetriNet]: 92 programPoint places, 1 predicate places.
[2023-11-30 09:13:29,109 INFO L500 AbstractCegarLoop]: Abstraction has has 93 places, 83 transitions, 219 flow
[2023-11-30 09:13:29,109 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 0 states have call successors, (0), 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 09:13:29,109 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 09:13:29,109 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]
[2023-11-30 09:13:29,109 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-30 09:13:29,110 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2023-11-30 09:13:29,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 09:13:29,110 INFO L85 PathProgramCache]: Analyzing trace with hash -935578667, now seen corresponding path program 1 times
[2023-11-30 09:13:29,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 09:13:29,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476588278]
[2023-11-30 09:13:29,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 09:13:29,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 09:13:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 09:13:29,257 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 09:13:29,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 09:13:29,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476588278]
[2023-11-30 09:13:29,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476588278] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 09:13:29,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 09:13:29,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-30 09:13:29,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960504520]
[2023-11-30 09:13:29,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 09:13:29,259 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-30 09:13:29,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 09:13:29,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-30 09:13:29,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-30 09:13:29,261 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 110
[2023-11-30 09:13:29,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 83 transitions, 219 flow. Second operand has 5 states, 5 states have (on average 75.0) internal successors, (375), 5 states have internal predecessors, (375), 0 states have call successors, (0), 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 09:13:29,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 09:13:29,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 110
[2023-11-30 09:13:29,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 09:13:29,339 INFO L124 PetriNetUnfolderBase]: 44/196 cut-off events.
[2023-11-30 09:13:29,339 INFO L125 PetriNetUnfolderBase]: For 53/59 co-relation queries the response was YES.
[2023-11-30 09:13:29,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 444 conditions, 196 events. 44/196 cut-off events. For 53/59 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 721 event pairs, 34 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 318. Up to 108 conditions per place.
[2023-11-30 09:13:29,344 INFO L140 encePairwiseOnDemand]: 101/110 looper letters, 19 selfloop transitions, 7 changer transitions 1/86 dead transitions.
[2023-11-30 09:13:29,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 86 transitions, 288 flow
[2023-11-30 09:13:29,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-30 09:13:29,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-30 09:13:29,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 394 transitions.
[2023-11-30 09:13:29,350 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7163636363636363
[2023-11-30 09:13:29,350 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 394 transitions.
[2023-11-30 09:13:29,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 394 transitions.
[2023-11-30 09:13:29,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 09:13:29,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 394 transitions.
[2023-11-30 09:13:29,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 78.8) internal successors, (394), 5 states have internal predecessors, (394), 0 states have call successors, (0), 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 09:13:29,356 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 110.0) internal successors, (660), 6 states have internal predecessors, (660), 0 states have call successors, (0), 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 09:13:29,356 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 110.0) internal successors, (660), 6 states have internal predecessors, (660), 0 states have call successors, (0), 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 09:13:29,358 INFO L307 CegarLoopForPetriNet]: 92 programPoint places, 5 predicate places.
[2023-11-30 09:13:29,358 INFO L500 AbstractCegarLoop]: Abstraction has has 97 places, 86 transitions, 288 flow
[2023-11-30 09:13:29,358 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 75.0) internal successors, (375), 5 states have internal predecessors, (375), 0 states have call successors, (0), 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 09:13:29,358 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 09:13:29,359 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]
[2023-11-30 09:13:29,359 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-30 09:13:29,359 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2023-11-30 09:13:29,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 09:13:29,359 INFO L85 PathProgramCache]: Analyzing trace with hash 625365912, now seen corresponding path program 1 times
[2023-11-30 09:13:29,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 09:13:29,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708330599]
[2023-11-30 09:13:29,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 09:13:29,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 09:13:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 09:13:29,416 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 09:13:29,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 09:13:29,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708330599]
[2023-11-30 09:13:29,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708330599] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 09:13:29,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 09:13:29,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-30 09:13:29,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993731753]
[2023-11-30 09:13:29,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 09:13:29,418 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-30 09:13:29,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 09:13:29,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-30 09:13:29,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-30 09:13:29,419 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 110
[2023-11-30 09:13:29,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 86 transitions, 288 flow. Second operand has 4 states, 4 states have (on average 83.75) internal successors, (335), 4 states have internal predecessors, (335), 0 states have call successors, (0), 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 09:13:29,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 09:13:29,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 110
[2023-11-30 09:13:29,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 09:13:29,461 INFO L124 PetriNetUnfolderBase]: 31/181 cut-off events.
[2023-11-30 09:13:29,462 INFO L125 PetriNetUnfolderBase]: For 125/149 co-relation queries the response was YES.
[2023-11-30 09:13:29,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 453 conditions, 181 events. 31/181 cut-off events. For 125/149 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 587 event pairs, 26 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 310. Up to 80 conditions per place.
[2023-11-30 09:13:29,463 INFO L140 encePairwiseOnDemand]: 105/110 looper letters, 20 selfloop transitions, 3 changer transitions 1/84 dead transitions.
[2023-11-30 09:13:29,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 84 transitions, 322 flow
[2023-11-30 09:13:29,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-30 09:13:29,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-30 09:13:29,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 346 transitions.
[2023-11-30 09:13:29,464 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7863636363636364
[2023-11-30 09:13:29,464 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 346 transitions.
[2023-11-30 09:13:29,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 346 transitions.
[2023-11-30 09:13:29,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 09:13:29,465 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 346 transitions.
[2023-11-30 09:13:29,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 86.5) internal successors, (346), 4 states have internal predecessors, (346), 0 states have call successors, (0), 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 09:13:29,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 0 states have call successors, (0), 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 09:13:29,466 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 0 states have call successors, (0), 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 09:13:29,467 INFO L307 CegarLoopForPetriNet]: 92 programPoint places, 6 predicate places.
[2023-11-30 09:13:29,467 INFO L500 AbstractCegarLoop]: Abstraction has has 98 places, 84 transitions, 322 flow
[2023-11-30 09:13:29,467 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.75) internal successors, (335), 4 states have internal predecessors, (335), 0 states have call successors, (0), 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 09:13:29,467 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 09:13:29,468 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]
[2023-11-30 09:13:29,468 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-30 09:13:29,468 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2023-11-30 09:13:29,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 09:13:29,468 INFO L85 PathProgramCache]: Analyzing trace with hash 625365913, now seen corresponding path program 1 times
[2023-11-30 09:13:29,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 09:13:29,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186654542]
[2023-11-30 09:13:29,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 09:13:29,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 09:13:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 09:13:29,552 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 09:13:29,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 09:13:29,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186654542]
[2023-11-30 09:13:29,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186654542] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 09:13:29,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 09:13:29,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-30 09:13:29,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085788986]
[2023-11-30 09:13:29,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 09:13:29,553 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-30 09:13:29,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 09:13:29,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-30 09:13:29,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-30 09:13:29,554 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 110
[2023-11-30 09:13:29,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 84 transitions, 322 flow. Second operand has 5 states, 5 states have (on average 75.4) internal successors, (377), 5 states have internal predecessors, (377), 0 states have call successors, (0), 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 09:13:29,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 09:13:29,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 110
[2023-11-30 09:13:29,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 09:13:29,610 INFO L124 PetriNetUnfolderBase]: 21/159 cut-off events.
[2023-11-30 09:13:29,611 INFO L125 PetriNetUnfolderBase]: For 191/227 co-relation queries the response was YES.
[2023-11-30 09:13:29,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 159 events. 21/159 cut-off events. For 191/227 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 439 event pairs, 7 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 268. Up to 60 conditions per place.
[2023-11-30 09:13:29,612 INFO L140 encePairwiseOnDemand]: 101/110 looper letters, 24 selfloop transitions, 7 changer transitions 3/93 dead transitions.
[2023-11-30 09:13:29,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 93 transitions, 465 flow
[2023-11-30 09:13:29,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-30 09:13:29,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-30 09:13:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 398 transitions.
[2023-11-30 09:13:29,613 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7236363636363636
[2023-11-30 09:13:29,613 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 398 transitions.
[2023-11-30 09:13:29,613 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 398 transitions.
[2023-11-30 09:13:29,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 09:13:29,614 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 398 transitions.
[2023-11-30 09:13:29,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 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 09:13:29,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 110.0) internal successors, (660), 6 states have internal predecessors, (660), 0 states have call successors, (0), 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 09:13:29,616 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 110.0) internal successors, (660), 6 states have internal predecessors, (660), 0 states have call successors, (0), 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 09:13:29,617 INFO L307 CegarLoopForPetriNet]: 92 programPoint places, 10 predicate places.
[2023-11-30 09:13:29,617 INFO L500 AbstractCegarLoop]: Abstraction has has 102 places, 93 transitions, 465 flow
[2023-11-30 09:13:29,617 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 75.4) internal successors, (377), 5 states have internal predecessors, (377), 0 states have call successors, (0), 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 09:13:29,617 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 09:13:29,618 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]
[2023-11-30 09:13:29,618 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-30 09:13:29,618 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2023-11-30 09:13:29,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 09:13:29,620 INFO L85 PathProgramCache]: Analyzing trace with hash 451690440, now seen corresponding path program 1 times
[2023-11-30 09:13:29,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 09:13:29,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566851815]
[2023-11-30 09:13:29,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 09:13:29,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 09:13:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 09:13:29,765 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 09:13:29,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 09:13:29,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566851815]
[2023-11-30 09:13:29,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566851815] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 09:13:29,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 09:13:29,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-30 09:13:29,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493918960]
[2023-11-30 09:13:29,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 09:13:29,767 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-30 09:13:29,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 09:13:29,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-30 09:13:29,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-30 09:13:29,769 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 110
[2023-11-30 09:13:29,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 93 transitions, 465 flow. Second operand has 6 states, 6 states have (on average 75.0) internal successors, (450), 6 states have internal predecessors, (450), 0 states have call successors, (0), 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 09:13:29,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 09:13:29,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 110
[2023-11-30 09:13:29,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 09:13:29,844 INFO L124 PetriNetUnfolderBase]: 16/131 cut-off events.
[2023-11-30 09:13:29,844 INFO L125 PetriNetUnfolderBase]: For 229/273 co-relation queries the response was YES.
[2023-11-30 09:13:29,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 131 events. 16/131 cut-off events. For 229/273 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 271 event pairs, 1 based on Foata normal form. 2/127 useless extension candidates. Maximal degree in co-relation 240. Up to 48 conditions per place.
[2023-11-30 09:13:29,847 INFO L140 encePairwiseOnDemand]: 101/110 looper letters, 21 selfloop transitions, 11 changer transitions 3/94 dead transitions.
[2023-11-30 09:13:29,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 94 transitions, 548 flow
[2023-11-30 09:13:29,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-30 09:13:29,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-30 09:13:29,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 468 transitions.
[2023-11-30 09:13:29,848 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7090909090909091
[2023-11-30 09:13:29,848 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 468 transitions.
[2023-11-30 09:13:29,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 468 transitions.
[2023-11-30 09:13:29,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 09:13:29,849 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 468 transitions.
[2023-11-30 09:13:29,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 78.0) internal successors, (468), 6 states have internal predecessors, (468), 0 states have call successors, (0), 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 09:13:29,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 110.0) internal successors, (770), 7 states have internal predecessors, (770), 0 states have call successors, (0), 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 09:13:29,851 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 110.0) internal successors, (770), 7 states have internal predecessors, (770), 0 states have call successors, (0), 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 09:13:29,853 INFO L307 CegarLoopForPetriNet]: 92 programPoint places, 13 predicate places.
[2023-11-30 09:13:29,853 INFO L500 AbstractCegarLoop]: Abstraction has has 105 places, 94 transitions, 548 flow
[2023-11-30 09:13:29,853 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.0) internal successors, (450), 6 states have internal predecessors, (450), 0 states have call successors, (0), 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 09:13:29,854 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 09:13:29,854 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]
[2023-11-30 09:13:29,854 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-30 09:13:29,854 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] ===
[2023-11-30 09:13:29,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 09:13:29,855 INFO L85 PathProgramCache]: Analyzing trace with hash 35001956, now seen corresponding path program 1 times
[2023-11-30 09:13:29,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 09:13:29,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397779120]
[2023-11-30 09:13:29,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 09:13:29,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 09:13:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 09:13:29,959 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 09:13:29,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 09:13:29,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397779120]
[2023-11-30 09:13:29,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397779120] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 09:13:29,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 09:13:29,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-30 09:13:29,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505445911]
[2023-11-30 09:13:29,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 09:13:29,960 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-30 09:13:29,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 09:13:29,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-30 09:13:29,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-30 09:13:29,963 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 110
[2023-11-30 09:13:29,963 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 94 transitions, 548 flow. Second operand has 6 states, 6 states have (on average 75.66666666666667) internal successors, (454), 6 states have internal predecessors, (454), 0 states have call successors, (0), 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 09:13:29,963 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 09:13:29,963 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 110
[2023-11-30 09:13:29,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 09:13:30,010 INFO L124 PetriNetUnfolderBase]: 15/123 cut-off events.
[2023-11-30 09:13:30,010 INFO L125 PetriNetUnfolderBase]: For 281/307 co-relation queries the response was YES.
[2023-11-30 09:13:30,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 123 events. 15/123 cut-off events. For 281/307 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 220 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 255. Up to 44 conditions per place.
[2023-11-30 09:13:30,010 INFO L140 encePairwiseOnDemand]: 101/110 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions.
[2023-11-30 09:13:30,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 93 transitions, 607 flow
[2023-11-30 09:13:30,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-30 09:13:30,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2023-11-30 09:13:30,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 466 transitions.
[2023-11-30 09:13:30,012 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.706060606060606
[2023-11-30 09:13:30,012 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 466 transitions.
[2023-11-30 09:13:30,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 466 transitions.
[2023-11-30 09:13:30,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 09:13:30,012 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 466 transitions.
[2023-11-30 09:13:30,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 77.66666666666667) internal successors, (466), 6 states have internal predecessors, (466), 0 states have call successors, (0), 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 09:13:30,014 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 110.0) internal successors, (770), 7 states have internal predecessors, (770), 0 states have call successors, (0), 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 09:13:30,014 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 110.0) internal successors, (770), 7 states have internal predecessors, (770), 0 states have call successors, (0), 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 09:13:30,016 INFO L307 CegarLoopForPetriNet]: 92 programPoint places, 16 predicate places.
[2023-11-30 09:13:30,016 INFO L500 AbstractCegarLoop]: Abstraction has has 108 places, 93 transitions, 607 flow
[2023-11-30 09:13:30,016 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 75.66666666666667) internal successors, (454), 6 states have internal predecessors, (454), 0 states have call successors, (0), 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 09:13:30,021 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/parallel-ticket-2.wvr.c_BEv2_AllErrorsAtOnce
[2023-11-30 09:13:30,046 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining)
[2023-11-30 09:13:30,046 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining)
[2023-11-30 09:13:30,046 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining)
[2023-11-30 09:13:30,046 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining)
[2023-11-30 09:13:30,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining)
[2023-11-30 09:13:30,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining)
[2023-11-30 09:13:30,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining)
[2023-11-30 09:13:30,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining)
[2023-11-30 09:13:30,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 18 remaining)
[2023-11-30 09:13:30,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 18 remaining)
[2023-11-30 09:13:30,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining)
[2023-11-30 09:13:30,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining)
[2023-11-30 09:13:30,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining)
[2023-11-30 09:13:30,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining)
[2023-11-30 09:13:30,048 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining)
[2023-11-30 09:13:30,048 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining)
[2023-11-30 09:13:30,048 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining)
[2023-11-30 09:13:30,048 INFO L810 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining)
[2023-11-30 09:13:30,048 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-30 09:13:30,048 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2023-11-30 09:13:30,052 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-30 09:13:30,052 INFO L172 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-30 09:13:30,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 09:13:30 BasicIcfg
[2023-11-30 09:13:30,061 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-30 09:13:30,062 INFO L158 Benchmark]: Toolchain (without parser) took 2130.26ms. Allocated memory was 346.0MB in the beginning and 478.2MB in the end (delta: 132.1MB). Free memory was 302.0MB in the beginning and 391.5MB in the end (delta: -89.5MB). Peak memory consumption was 43.1MB. Max. memory is 16.0GB.
[2023-11-30 09:13:30,062 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 346.0MB. Free memory was 293.8MB in the beginning and 293.6MB in the end (delta: 237.7kB). There was no memory consumed. Max. memory is 16.0GB.
[2023-11-30 09:13:30,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.47ms. Allocated memory is still 346.0MB. Free memory was 302.0MB in the beginning and 290.0MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB.
[2023-11-30 09:13:30,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.19ms. Allocated memory is still 346.0MB. Free memory was 290.0MB in the beginning and 288.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
[2023-11-30 09:13:30,062 INFO L158 Benchmark]: Boogie Preprocessor took 21.04ms. Allocated memory is still 346.0MB. Free memory was 288.3MB in the beginning and 286.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
[2023-11-30 09:13:30,062 INFO L158 Benchmark]: RCFGBuilder took 287.46ms. Allocated memory is still 346.0MB. Free memory was 286.7MB in the beginning and 265.3MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB.
[2023-11-30 09:13:30,063 INFO L158 Benchmark]: TraceAbstraction took 1612.45ms. Allocated memory was 346.0MB in the beginning and 478.2MB in the end (delta: 132.1MB). Free memory was 264.8MB in the beginning and 391.5MB in the end (delta: -126.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.0GB.
[2023-11-30 09:13:30,065 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 346.0MB. Free memory was 293.8MB in the beginning and 293.6MB in the end (delta: 237.7kB). There was no memory consumed. Max. memory is 16.0GB.
* CACSL2BoogieTranslator took 178.47ms. Allocated memory is still 346.0MB. Free memory was 302.0MB in the beginning and 290.0MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB.
* Boogie Procedure Inliner took 27.19ms. Allocated memory is still 346.0MB. Free memory was 290.0MB in the beginning and 288.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
* Boogie Preprocessor took 21.04ms. Allocated memory is still 346.0MB. Free memory was 288.3MB in the beginning and 286.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
* RCFGBuilder took 287.46ms. Allocated memory is still 346.0MB. Free memory was 286.7MB in the beginning and 265.3MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB.
* TraceAbstraction took 1612.45ms. Allocated memory was 346.0MB in the beginning and 478.2MB in the end (delta: 132.1MB). Free memory was 264.8MB in the beginning and 391.5MB in the end (delta: -126.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 44]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 44]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 57]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 57]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 66]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 66]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 76]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 76]: 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 5 procedures, 136 locations, 18 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: 1.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 271 IncrementalHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 34 mSDtfsCounter, 271 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=607occurred in iteration=6, InterpolantAutomatonStates: 30, 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, 337 NumberOfCodeBlocks, 337 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 721 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 09:13:30,092 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...