/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m
[2023-11-30 06:23:36,288 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-30 06:23:36,363 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf
[2023-11-30 06:23:36,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-30 06:23:36,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-30 06:23:36,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-30 06:23:36,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-30 06:23:36,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-30 06:23:36,392 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-30 06:23:36,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-30 06:23:36,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-30 06:23:36,392 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-30 06:23:36,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-30 06:23:36,393 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-30 06:23:36,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-30 06:23:36,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-30 06:23:36,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-30 06:23:36,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-30 06:23:36,394 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-30 06:23:36,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-30 06:23:36,395 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-30 06:23:36,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-30 06:23:36,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-30 06:23:36,399 INFO L153 SettingsManager]: * To the following directory=./dump/
[2023-11-30 06:23:36,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-30 06:23:36,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-30 06:23:36,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-30 06:23:36,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-30 06:23:36,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-30 06:23:36,403 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-30 06:23:36,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-30 06:23:36,404 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-30 06:23:36,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-30 06:23:36,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true
[2023-11-30 06:23:36,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-30 06:23:36,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-30 06:23:36,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-30 06:23:36,655 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-30 06:23:36,656 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-30 06:23:36,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i
[2023-11-30 06:23:37,818 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-30 06:23:38,035 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-30 06:23:38,035 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i
[2023-11-30 06:23:38,046 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5042092d/1970450e02e044599339d2c0852b8699/FLAGd407eaf14
[2023-11-30 06:23:38,056 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5042092d/1970450e02e044599339d2c0852b8699
[2023-11-30 06:23:38,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-30 06:23:38,059 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2023-11-30 06:23:38,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-30 06:23:38,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-30 06:23:38,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-30 06:23:38,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:23:38" (1/1) ...
[2023-11-30 06:23:38,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b72e75c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:23:38, skipping insertion in model container
[2023-11-30 06:23:38,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:23:38" (1/1) ...
[2023-11-30 06:23:38,112 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-30 06:23:38,463 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-30 06:23:38,475 INFO L202 MainTranslator]: Completed pre-run
[2023-11-30 06:23:38,526 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-30 06:23:38,557 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-30 06:23:38,557 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-30 06:23:38,563 INFO L206 MainTranslator]: Completed translation
[2023-11-30 06:23:38,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:23:38 WrapperNode
[2023-11-30 06:23:38,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-30 06:23:38,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-30 06:23:38,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-30 06:23:38,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-30 06:23:38,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:23:38" (1/1) ...
[2023-11-30 06:23:38,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:23:38" (1/1) ...
[2023-11-30 06:23:38,608 INFO L138 Inliner]: procedures = 173, calls = 51, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125
[2023-11-30 06:23:38,609 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-30 06:23:38,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-30 06:23:38,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-30 06:23:38,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-30 06:23:38,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:23:38" (1/1) ...
[2023-11-30 06:23:38,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:23:38" (1/1) ...
[2023-11-30 06:23:38,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:23:38" (1/1) ...
[2023-11-30 06:23:38,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:23:38" (1/1) ...
[2023-11-30 06:23:38,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:23:38" (1/1) ...
[2023-11-30 06:23:38,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:23:38" (1/1) ...
[2023-11-30 06:23:38,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:23:38" (1/1) ...
[2023-11-30 06:23:38,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:23:38" (1/1) ...
[2023-11-30 06:23:38,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-30 06:23:38,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-30 06:23:38,660 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-30 06:23:38,660 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-30 06:23:38,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:23:38" (1/1) ...
[2023-11-30 06:23:38,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-30 06:23:38,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-30 06:23:38,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-30 06:23:38,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-30 06:23:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-30 06:23:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-30 06:23:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-30 06:23:38,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-30 06:23:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure reader
[2023-11-30 06:23:38,721 INFO L138 BoogieDeclarations]: Found implementation of procedure reader
[2023-11-30 06:23:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-30 06:23:38,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-30 06:23:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-30 06:23:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-30 06:23:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-30 06:23:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-30 06:23:38,722 INFO L130 BoogieDeclarations]: Found specification of procedure writer
[2023-11-30 06:23:38,722 INFO L138 BoogieDeclarations]: Found implementation of procedure writer
[2023-11-30 06:23:38,724 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-30 06:23:38,843 INFO L241 CfgBuilder]: Building ICFG
[2023-11-30 06:23:38,845 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-30 06:23:38,996 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-30 06:23:39,046 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-30 06:23:39,047 INFO L309 CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-30 06:23:39,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:23:39 BoogieIcfgContainer
[2023-11-30 06:23:39,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-30 06:23:39,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-30 06:23:39,050 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-30 06:23:39,053 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-30 06:23:39,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:23:38" (1/3) ...
[2023-11-30 06:23:39,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6133b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:23:39, skipping insertion in model container
[2023-11-30 06:23:39,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:23:38" (2/3) ...
[2023-11-30 06:23:39,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6133b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:23:39, skipping insertion in model container
[2023-11-30 06:23:39,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:23:39" (3/3) ...
[2023-11-30 06:23:39,055 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i
[2023-11-30 06:23:39,071 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-30 06:23:39,071 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2023-11-30 06:23:39,071 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-30 06:23:39,149 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2023-11-30 06:23:39,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 135 places, 126 transitions, 280 flow
[2023-11-30 06:23:39,241 INFO L124 PetriNetUnfolderBase]: 4/122 cut-off events.
[2023-11-30 06:23:39,242 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES.
[2023-11-30 06:23:39,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 122 events. 4/122 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 170 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 85. Up to 2 conditions per place.
[2023-11-30 06:23:39,249 INFO L82 GeneralOperation]: Start removeDead. Operand has 135 places, 126 transitions, 280 flow
[2023-11-30 06:23:39,253 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 117 places, 108 transitions, 237 flow
[2023-11-30 06:23:39,261 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-30 06:23:39,267 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;@2a679d89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-30 06:23:39,267 INFO L363 AbstractCegarLoop]: Starting to check reachability of 16 error locations.
[2023-11-30 06:23:39,276 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-30 06:23:39,276 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events.
[2023-11-30 06:23:39,276 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-30 06:23:39,277 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:23:39,277 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]
[2023-11-30 06:23:39,278 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2023-11-30 06:23:39,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:23:39,282 INFO L85 PathProgramCache]: Analyzing trace with hash -868628813, now seen corresponding path program 1 times
[2023-11-30 06:23:39,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:23:39,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242713836]
[2023-11-30 06:23:39,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:23:39,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:23:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:23:39,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 06:23:39,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:23:39,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242713836]
[2023-11-30 06:23:39,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242713836] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:23:39,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:23:39,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-30 06:23:39,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756601005]
[2023-11-30 06:23:39,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:23:39,655 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-30 06:23:39,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:23:39,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-30 06:23:39,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-30 06:23:39,689 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 126
[2023-11-30 06:23:39,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 108 transitions, 237 flow. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:39,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:23:39,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 126
[2023-11-30 06:23:39,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:23:40,248 INFO L124 PetriNetUnfolderBase]: 968/3132 cut-off events.
[2023-11-30 06:23:40,248 INFO L125 PetriNetUnfolderBase]: For 869/869 co-relation queries the response was YES.
[2023-11-30 06:23:40,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5212 conditions, 3132 events. 968/3132 cut-off events. For 869/869 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 30038 event pairs, 403 based on Foata normal form. 273/2957 useless extension candidates. Maximal degree in co-relation 4918. Up to 932 conditions per place.
[2023-11-30 06:23:40,274 INFO L140 encePairwiseOnDemand]: 107/126 looper letters, 30 selfloop transitions, 7 changer transitions 0/113 dead transitions.
[2023-11-30 06:23:40,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 113 transitions, 336 flow
[2023-11-30 06:23:40,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-30 06:23:40,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-30 06:23:40,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 344 transitions.
[2023-11-30 06:23:40,290 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.91005291005291
[2023-11-30 06:23:40,290 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 344 transitions.
[2023-11-30 06:23:40,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 344 transitions.
[2023-11-30 06:23:40,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:23:40,295 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 344 transitions.
[2023-11-30 06:23:40,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:40,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:40,303 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:40,307 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, -2 predicate places.
[2023-11-30 06:23:40,308 INFO L500 AbstractCegarLoop]: Abstraction has has 115 places, 113 transitions, 336 flow
[2023-11-30 06:23:40,308 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:40,308 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:23:40,308 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]
[2023-11-30 06:23:40,308 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-30 06:23:40,308 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2023-11-30 06:23:40,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:23:40,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1882602169, now seen corresponding path program 1 times
[2023-11-30 06:23:40,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:23:40,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926235332]
[2023-11-30 06:23:40,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:23:40,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:23:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:23:40,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 06:23:40,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:23:40,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926235332]
[2023-11-30 06:23:40,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926235332] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:23:40,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:23:40,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-30 06:23:40,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488230981]
[2023-11-30 06:23:40,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:23:40,453 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-30 06:23:40,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:23:40,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-30 06:23:40,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-30 06:23:40,455 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 126
[2023-11-30 06:23:40,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 113 transitions, 336 flow. Second operand has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:40,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:23:40,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 126
[2023-11-30 06:23:40,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:23:40,748 INFO L124 PetriNetUnfolderBase]: 405/1849 cut-off events.
[2023-11-30 06:23:40,748 INFO L125 PetriNetUnfolderBase]: For 970/1104 co-relation queries the response was YES.
[2023-11-30 06:23:40,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3796 conditions, 1849 events. 405/1849 cut-off events. For 970/1104 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 16989 event pairs, 139 based on Foata normal form. 176/1788 useless extension candidates. Maximal degree in co-relation 3222. Up to 607 conditions per place.
[2023-11-30 06:23:40,763 INFO L140 encePairwiseOnDemand]: 111/126 looper letters, 33 selfloop transitions, 11 changer transitions 8/128 dead transitions.
[2023-11-30 06:23:40,764 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 128 transitions, 515 flow
[2023-11-30 06:23:40,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-30 06:23:40,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-30 06:23:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 446 transitions.
[2023-11-30 06:23:40,767 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8849206349206349
[2023-11-30 06:23:40,767 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 446 transitions.
[2023-11-30 06:23:40,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 446 transitions.
[2023-11-30 06:23:40,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:23:40,767 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 446 transitions.
[2023-11-30 06:23:40,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 111.5) internal successors, (446), 4 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:40,771 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 126.0) internal successors, (630), 5 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:40,772 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 126.0) internal successors, (630), 5 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:40,772 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 1 predicate places.
[2023-11-30 06:23:40,772 INFO L500 AbstractCegarLoop]: Abstraction has has 118 places, 128 transitions, 515 flow
[2023-11-30 06:23:40,773 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:40,773 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:23:40,773 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]
[2023-11-30 06:23:40,774 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-30 06:23:40,774 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting readerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2023-11-30 06:23:40,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:23:40,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1882602170, now seen corresponding path program 1 times
[2023-11-30 06:23:40,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:23:40,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618079932]
[2023-11-30 06:23:40,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:23:40,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:23:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:23:40,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 06:23:40,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:23:40,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618079932]
[2023-11-30 06:23:40,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618079932] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:23:40,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:23:40,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-30 06:23:40,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104813847]
[2023-11-30 06:23:40,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:23:40,924 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-30 06:23:40,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:23:40,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-30 06:23:40,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-30 06:23:40,926 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 126
[2023-11-30 06:23:40,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 128 transitions, 515 flow. Second operand has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:40,927 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:23:40,927 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 126
[2023-11-30 06:23:40,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:23:41,173 INFO L124 PetriNetUnfolderBase]: 318/1556 cut-off events.
[2023-11-30 06:23:41,174 INFO L125 PetriNetUnfolderBase]: For 1224/1390 co-relation queries the response was YES.
[2023-11-30 06:23:41,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3798 conditions, 1556 events. 318/1556 cut-off events. For 1224/1390 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 13500 event pairs, 57 based on Foata normal form. 36/1444 useless extension candidates. Maximal degree in co-relation 3159. Up to 463 conditions per place.
[2023-11-30 06:23:41,185 INFO L140 encePairwiseOnDemand]: 111/126 looper letters, 37 selfloop transitions, 15 changer transitions 10/138 dead transitions.
[2023-11-30 06:23:41,186 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 138 transitions, 717 flow
[2023-11-30 06:23:41,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-30 06:23:41,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2023-11-30 06:23:41,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 442 transitions.
[2023-11-30 06:23:41,188 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.876984126984127
[2023-11-30 06:23:41,188 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 442 transitions.
[2023-11-30 06:23:41,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 442 transitions.
[2023-11-30 06:23:41,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:23:41,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 442 transitions.
[2023-11-30 06:23:41,190 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 110.5) internal successors, (442), 4 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:41,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 126.0) internal successors, (630), 5 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:41,192 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 126.0) internal successors, (630), 5 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:41,193 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 4 predicate places.
[2023-11-30 06:23:41,193 INFO L500 AbstractCegarLoop]: Abstraction has has 121 places, 138 transitions, 717 flow
[2023-11-30 06:23:41,194 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.25) internal successors, (393), 4 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:41,194 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:23:41,194 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]
[2023-11-30 06:23:41,194 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-30 06:23:41,194 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting readerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2023-11-30 06:23:41,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:23:41,196 INFO L85 PathProgramCache]: Analyzing trace with hash 140392202, now seen corresponding path program 1 times
[2023-11-30 06:23:41,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:23:41,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370156262]
[2023-11-30 06:23:41,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:23:41,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:23:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:23:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 06:23:41,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:23:41,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370156262]
[2023-11-30 06:23:41,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370156262] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:23:41,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:23:41,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-30 06:23:41,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145504795]
[2023-11-30 06:23:41,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:23:41,295 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-30 06:23:41,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:23:41,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-30 06:23:41,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-30 06:23:41,301 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 126
[2023-11-30 06:23:41,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 138 transitions, 717 flow. Second operand has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:41,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:23:41,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 126
[2023-11-30 06:23:41,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:23:41,521 INFO L124 PetriNetUnfolderBase]: 325/1531 cut-off events.
[2023-11-30 06:23:41,521 INFO L125 PetriNetUnfolderBase]: For 1567/1809 co-relation queries the response was YES.
[2023-11-30 06:23:41,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4354 conditions, 1531 events. 325/1531 cut-off events. For 1567/1809 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 13161 event pairs, 38 based on Foata normal form. 14/1407 useless extension candidates. Maximal degree in co-relation 3932. Up to 464 conditions per place.
[2023-11-30 06:23:41,534 INFO L140 encePairwiseOnDemand]: 113/126 looper letters, 43 selfloop transitions, 11 changer transitions 18/148 dead transitions.
[2023-11-30 06:23:41,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 148 transitions, 953 flow
[2023-11-30 06:23:41,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-30 06:23:41,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-30 06:23:41,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 332 transitions.
[2023-11-30 06:23:41,536 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8783068783068783
[2023-11-30 06:23:41,536 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 332 transitions.
[2023-11-30 06:23:41,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 332 transitions.
[2023-11-30 06:23:41,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:23:41,537 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 332 transitions.
[2023-11-30 06:23:41,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:41,539 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:41,540 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:41,541 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 6 predicate places.
[2023-11-30 06:23:41,541 INFO L500 AbstractCegarLoop]: Abstraction has has 123 places, 148 transitions, 953 flow
[2023-11-30 06:23:41,542 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.66666666666667) internal successors, (299), 3 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:41,542 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:23:41,542 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 06:23:41,542 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-30 06:23:41,543 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2023-11-30 06:23:41,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:23:41,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1018952073, now seen corresponding path program 1 times
[2023-11-30 06:23:41,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:23:41,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497104307]
[2023-11-30 06:23:41,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:23:41,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:23:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:23:41,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 06:23:41,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:23:41,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497104307]
[2023-11-30 06:23:41,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497104307] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:23:41,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:23:41,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-30 06:23:41,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377189697]
[2023-11-30 06:23:41,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:23:41,685 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-30 06:23:41,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:23:41,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-30 06:23:41,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-30 06:23:41,686 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 126
[2023-11-30 06:23:41,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 148 transitions, 953 flow. Second operand has 6 states, 6 states have (on average 96.0) internal successors, (576), 6 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:41,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:23:41,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 126
[2023-11-30 06:23:41,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:23:42,139 INFO L124 PetriNetUnfolderBase]: 559/2368 cut-off events.
[2023-11-30 06:23:42,139 INFO L125 PetriNetUnfolderBase]: For 4285/5073 co-relation queries the response was YES.
[2023-11-30 06:23:42,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7719 conditions, 2368 events. 559/2368 cut-off events. For 4285/5073 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 22354 event pairs, 76 based on Foata normal form. 52/2231 useless extension candidates. Maximal degree in co-relation 7079. Up to 702 conditions per place.
[2023-11-30 06:23:42,157 INFO L140 encePairwiseOnDemand]: 113/126 looper letters, 61 selfloop transitions, 20 changer transitions 42/196 dead transitions.
[2023-11-30 06:23:42,157 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 196 transitions, 1688 flow
[2023-11-30 06:23:42,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-30 06:23:42,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2023-11-30 06:23:42,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 945 transitions.
[2023-11-30 06:23:42,160 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334
[2023-11-30 06:23:42,160 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 945 transitions.
[2023-11-30 06:23:42,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 945 transitions.
[2023-11-30 06:23:42,161 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:23:42,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 945 transitions.
[2023-11-30 06:23:42,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 105.0) internal successors, (945), 9 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:42,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 126.0) internal successors, (1260), 10 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:42,167 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 126.0) internal successors, (1260), 10 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:42,168 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 13 predicate places.
[2023-11-30 06:23:42,169 INFO L500 AbstractCegarLoop]: Abstraction has has 130 places, 196 transitions, 1688 flow
[2023-11-30 06:23:42,169 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.0) internal successors, (576), 6 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:42,169 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:23:42,170 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 06:23:42,170 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-30 06:23:42,170 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2023-11-30 06:23:42,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:23:42,172 INFO L85 PathProgramCache]: Analyzing trace with hash 959807740, now seen corresponding path program 1 times
[2023-11-30 06:23:42,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:23:42,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264121410]
[2023-11-30 06:23:42,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:23:42,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:23:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:23:42,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 06:23:42,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:23:42,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264121410]
[2023-11-30 06:23:42,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264121410] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:23:42,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:23:42,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-30 06:23:42,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202964900]
[2023-11-30 06:23:42,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:23:42,325 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-30 06:23:42,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:23:42,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-30 06:23:42,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-30 06:23:42,326 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 126
[2023-11-30 06:23:42,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 196 transitions, 1688 flow. Second operand has 6 states, 6 states have (on average 96.0) internal successors, (576), 6 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:42,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:23:42,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 126
[2023-11-30 06:23:42,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:23:42,725 INFO L124 PetriNetUnfolderBase]: 524/2416 cut-off events.
[2023-11-30 06:23:42,725 INFO L125 PetriNetUnfolderBase]: For 5706/6568 co-relation queries the response was YES.
[2023-11-30 06:23:42,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8680 conditions, 2416 events. 524/2416 cut-off events. For 5706/6568 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 23219 event pairs, 64 based on Foata normal form. 83/2360 useless extension candidates. Maximal degree in co-relation 7995. Up to 637 conditions per place.
[2023-11-30 06:23:42,743 INFO L140 encePairwiseOnDemand]: 113/126 looper letters, 39 selfloop transitions, 12 changer transitions 93/217 dead transitions.
[2023-11-30 06:23:42,744 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 217 transitions, 2248 flow
[2023-11-30 06:23:42,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-11-30 06:23:42,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2023-11-30 06:23:42,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 837 transitions.
[2023-11-30 06:23:42,746 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8303571428571429
[2023-11-30 06:23:42,746 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 837 transitions.
[2023-11-30 06:23:42,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 837 transitions.
[2023-11-30 06:23:42,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:23:42,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 837 transitions.
[2023-11-30 06:23:42,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 104.625) internal successors, (837), 8 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:42,750 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 126.0) internal successors, (1134), 9 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:42,752 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 126.0) internal successors, (1134), 9 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:42,754 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 18 predicate places.
[2023-11-30 06:23:42,754 INFO L500 AbstractCegarLoop]: Abstraction has has 135 places, 217 transitions, 2248 flow
[2023-11-30 06:23:42,755 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.0) internal successors, (576), 6 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:42,755 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:23:42,755 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 06:23:42,755 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-30 06:23:42,755 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2023-11-30 06:23:42,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:23:42,756 INFO L85 PathProgramCache]: Analyzing trace with hash 18604128, now seen corresponding path program 1 times
[2023-11-30 06:23:42,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:23:42,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044997150]
[2023-11-30 06:23:42,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:23:42,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:23:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:23:42,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 06:23:42,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:23:42,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044997150]
[2023-11-30 06:23:42,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044997150] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:23:42,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:23:42,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-30 06:23:42,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252178464]
[2023-11-30 06:23:42,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:23:42,856 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-30 06:23:42,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:23:42,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-30 06:23:42,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-30 06:23:42,857 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 126
[2023-11-30 06:23:42,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 217 transitions, 2248 flow. Second operand has 6 states, 6 states have (on average 96.0) internal successors, (576), 6 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:42,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:23:42,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 126
[2023-11-30 06:23:42,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:23:43,398 INFO L124 PetriNetUnfolderBase]: 905/3767 cut-off events.
[2023-11-30 06:23:43,398 INFO L125 PetriNetUnfolderBase]: For 14657/15473 co-relation queries the response was YES.
[2023-11-30 06:23:43,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15227 conditions, 3767 events. 905/3767 cut-off events. For 14657/15473 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 39648 event pairs, 142 based on Foata normal form. 90/3676 useless extension candidates. Maximal degree in co-relation 12651. Up to 991 conditions per place.
[2023-11-30 06:23:43,426 INFO L140 encePairwiseOnDemand]: 115/126 looper letters, 43 selfloop transitions, 16 changer transitions 165/303 dead transitions.
[2023-11-30 06:23:43,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 303 transitions, 3938 flow
[2023-11-30 06:23:43,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-30 06:23:43,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2023-11-30 06:23:43,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 938 transitions.
[2023-11-30 06:23:43,428 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8271604938271605
[2023-11-30 06:23:43,429 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 938 transitions.
[2023-11-30 06:23:43,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 938 transitions.
[2023-11-30 06:23:43,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:23:43,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 938 transitions.
[2023-11-30 06:23:43,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 104.22222222222223) internal successors, (938), 9 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:43,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 126.0) internal successors, (1260), 10 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:43,433 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 126.0) internal successors, (1260), 10 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:43,433 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 25 predicate places.
[2023-11-30 06:23:43,434 INFO L500 AbstractCegarLoop]: Abstraction has has 142 places, 303 transitions, 3938 flow
[2023-11-30 06:23:43,434 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.0) internal successors, (576), 6 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:43,434 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:23:43,434 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 06:23:43,434 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-30 06:23:43,434 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2023-11-30 06:23:43,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:23:43,435 INFO L85 PathProgramCache]: Analyzing trace with hash -860743585, now seen corresponding path program 1 times
[2023-11-30 06:23:43,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:23:43,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283759507]
[2023-11-30 06:23:43,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:23:43,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:23:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:23:43,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 06:23:43,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:23:43,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283759507]
[2023-11-30 06:23:43,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283759507] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:23:43,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:23:43,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-30 06:23:43,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476275638]
[2023-11-30 06:23:43,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:23:43,518 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-30 06:23:43,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:23:43,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-30 06:23:43,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-30 06:23:43,519 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 126
[2023-11-30 06:23:43,520 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 303 transitions, 3938 flow. Second operand has 6 states, 6 states have (on average 96.0) internal successors, (576), 6 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:43,520 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:23:43,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 126
[2023-11-30 06:23:43,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:23:44,161 INFO L124 PetriNetUnfolderBase]: 913/4008 cut-off events.
[2023-11-30 06:23:44,161 INFO L125 PetriNetUnfolderBase]: For 18774/19904 co-relation queries the response was YES.
[2023-11-30 06:23:44,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17826 conditions, 4008 events. 913/4008 cut-off events. For 18774/19904 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 43376 event pairs, 102 based on Foata normal form. 138/3989 useless extension candidates. Maximal degree in co-relation 16423. Up to 994 conditions per place.
[2023-11-30 06:23:44,183 INFO L140 encePairwiseOnDemand]: 114/126 looper letters, 32 selfloop transitions, 8 changer transitions 240/358 dead transitions.
[2023-11-30 06:23:44,184 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 358 transitions, 5447 flow
[2023-11-30 06:23:44,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-11-30 06:23:44,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2023-11-30 06:23:44,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 832 transitions.
[2023-11-30 06:23:44,187 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8253968253968254
[2023-11-30 06:23:44,187 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 832 transitions.
[2023-11-30 06:23:44,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 832 transitions.
[2023-11-30 06:23:44,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:23:44,187 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 832 transitions.
[2023-11-30 06:23:44,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 104.0) internal successors, (832), 8 states have internal predecessors, (832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:44,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 126.0) internal successors, (1134), 9 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:44,191 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 126.0) internal successors, (1134), 9 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:44,191 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 28 predicate places.
[2023-11-30 06:23:44,192 INFO L500 AbstractCegarLoop]: Abstraction has has 145 places, 358 transitions, 5447 flow
[2023-11-30 06:23:44,192 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.0) internal successors, (576), 6 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:44,192 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:23:44,192 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]
[2023-11-30 06:23:44,192 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-30 06:23:44,193 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting readerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2023-11-30 06:23:44,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:23:44,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1902292545, now seen corresponding path program 1 times
[2023-11-30 06:23:44,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:23:44,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652711631]
[2023-11-30 06:23:44,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:23:44,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:23:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:23:44,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 06:23:44,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:23:44,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652711631]
[2023-11-30 06:23:44,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652711631] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:23:44,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:23:44,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-30 06:23:44,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485278799]
[2023-11-30 06:23:44,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:23:44,270 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-30 06:23:44,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:23:44,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-30 06:23:44,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-30 06:23:44,271 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 126
[2023-11-30 06:23:44,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 358 transitions, 5447 flow. Second operand has 6 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:44,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:23:44,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 126
[2023-11-30 06:23:44,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:23:44,942 INFO L124 PetriNetUnfolderBase]: 906/4060 cut-off events.
[2023-11-30 06:23:44,943 INFO L125 PetriNetUnfolderBase]: For 22722/24231 co-relation queries the response was YES.
[2023-11-30 06:23:44,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19468 conditions, 4060 events. 906/4060 cut-off events. For 22722/24231 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 44155 event pairs, 96 based on Foata normal form. 154/4070 useless extension candidates. Maximal degree in co-relation 18303. Up to 991 conditions per place.
[2023-11-30 06:23:44,964 INFO L140 encePairwiseOnDemand]: 117/126 looper letters, 24 selfloop transitions, 6 changer transitions 254/354 dead transitions.
[2023-11-30 06:23:44,964 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 354 transitions, 5912 flow
[2023-11-30 06:23:44,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-30 06:23:44,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2023-11-30 06:23:44,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 927 transitions.
[2023-11-30 06:23:44,967 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8174603174603174
[2023-11-30 06:23:44,967 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 927 transitions.
[2023-11-30 06:23:44,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 927 transitions.
[2023-11-30 06:23:44,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:23:44,968 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 927 transitions.
[2023-11-30 06:23:44,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 103.0) internal successors, (927), 9 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:44,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 126.0) internal successors, (1260), 10 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:44,971 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 126.0) internal successors, (1260), 10 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:44,972 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 35 predicate places.
[2023-11-30 06:23:44,972 INFO L500 AbstractCegarLoop]: Abstraction has has 152 places, 354 transitions, 5912 flow
[2023-11-30 06:23:44,972 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:44,972 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 06:23:44,973 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]
[2023-11-30 06:23:44,973 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-30 06:23:44,973 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting readerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] ===
[2023-11-30 06:23:44,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 06:23:44,973 INFO L85 PathProgramCache]: Analyzing trace with hash -839821740, now seen corresponding path program 1 times
[2023-11-30 06:23:44,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 06:23:44,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884728769]
[2023-11-30 06:23:44,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 06:23:44,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 06:23:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 06:23:45,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 06:23:45,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 06:23:45,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884728769]
[2023-11-30 06:23:45,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884728769] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 06:23:45,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 06:23:45,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-30 06:23:45,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336237761]
[2023-11-30 06:23:45,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 06:23:45,048 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-30 06:23:45,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 06:23:45,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-30 06:23:45,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-30 06:23:45,049 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 126
[2023-11-30 06:23:45,050 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 354 transitions, 5912 flow. Second operand has 6 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:45,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 06:23:45,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 126
[2023-11-30 06:23:45,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 06:23:45,617 INFO L124 PetriNetUnfolderBase]: 906/4040 cut-off events.
[2023-11-30 06:23:45,617 INFO L125 PetriNetUnfolderBase]: For 27158/28453 co-relation queries the response was YES.
[2023-11-30 06:23:45,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21144 conditions, 4040 events. 906/4040 cut-off events. For 27158/28453 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 43740 event pairs, 93 based on Foata normal form. 132/4026 useless extension candidates. Maximal degree in co-relation 16968. Up to 994 conditions per place.
[2023-11-30 06:23:45,737 INFO L140 encePairwiseOnDemand]: 117/126 looper letters, 0 selfloop transitions, 0 changer transitions 352/352 dead transitions.
[2023-11-30 06:23:45,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 352 transitions, 6411 flow
[2023-11-30 06:23:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-30 06:23:45,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2023-11-30 06:23:45,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 924 transitions.
[2023-11-30 06:23:45,746 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8148148148148148
[2023-11-30 06:23:45,747 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 924 transitions.
[2023-11-30 06:23:45,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 924 transitions.
[2023-11-30 06:23:45,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 06:23:45,747 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 924 transitions.
[2023-11-30 06:23:45,749 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 102.66666666666667) internal successors, (924), 9 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:45,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 126.0) internal successors, (1260), 10 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:45,752 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 126.0) internal successors, (1260), 10 states have internal predecessors, (1260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:45,752 INFO L307 CegarLoopForPetriNet]: 117 programPoint places, 42 predicate places.
[2023-11-30 06:23:45,752 INFO L500 AbstractCegarLoop]: Abstraction has has 159 places, 352 transitions, 6411 flow
[2023-11-30 06:23:45,753 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.16666666666667) internal successors, (577), 6 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 06:23:45,758 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/read_write_lock-2.i_BEv2_AllErrorsAtOnce
[2023-11-30 06:23:45,790 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining)
[2023-11-30 06:23:45,791 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining)
[2023-11-30 06:23:45,791 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining)
[2023-11-30 06:23:45,791 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining)
[2023-11-30 06:23:45,791 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 16 remaining)
[2023-11-30 06:23:45,792 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 16 remaining)
[2023-11-30 06:23:45,792 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 16 remaining)
[2023-11-30 06:23:45,792 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 16 remaining)
[2023-11-30 06:23:45,792 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining)
[2023-11-30 06:23:45,792 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining)
[2023-11-30 06:23:45,792 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining)
[2023-11-30 06:23:45,792 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining)
[2023-11-30 06:23:45,793 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining)
[2023-11-30 06:23:45,793 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining)
[2023-11-30 06:23:45,793 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining)
[2023-11-30 06:23:45,793 INFO L810 garLoopResultBuilder]: Registering result SAFE for location readerErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining)
[2023-11-30 06:23:45,793 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-30 06:23:45,794 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 06:23:45,798 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-30 06:23:45,798 INFO L172 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-30 06:23:45,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:23:45 BasicIcfg
[2023-11-30 06:23:45,804 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-30 06:23:45,804 INFO L158 Benchmark]: Toolchain (without parser) took 7744.90ms. Allocated memory was 442.5MB in the beginning and 1.0GB in the end (delta: 574.6MB). Free memory was 386.7MB in the beginning and 827.6MB in the end (delta: -440.9MB). Peak memory consumption was 432.4MB. Max. memory is 16.0GB.
[2023-11-30 06:23:45,804 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 310.4MB. Free memory is still 258.4MB. There was no memory consumed. Max. memory is 16.0GB.
[2023-11-30 06:23:45,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 505.38ms. Allocated memory is still 442.5MB. Free memory was 386.5MB in the beginning and 365.8MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB.
[2023-11-30 06:23:45,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.15ms. Allocated memory is still 442.5MB. Free memory was 365.8MB in the beginning and 363.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
[2023-11-30 06:23:45,805 INFO L158 Benchmark]: Boogie Preprocessor took 43.65ms. Allocated memory is still 442.5MB. Free memory was 363.7MB in the beginning and 362.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
[2023-11-30 06:23:45,805 INFO L158 Benchmark]: RCFGBuilder took 394.93ms. Allocated memory is still 442.5MB. Free memory was 362.0MB in the beginning and 343.5MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB.
[2023-11-30 06:23:45,806 INFO L158 Benchmark]: TraceAbstraction took 6753.81ms. Allocated memory was 442.5MB in the beginning and 1.0GB in the end (delta: 574.6MB). Free memory was 342.8MB in the beginning and 827.6MB in the end (delta: -484.9MB). Peak memory consumption was 388.3MB. Max. memory is 16.0GB.
[2023-11-30 06:23:45,807 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.12ms. Allocated memory is still 310.4MB. Free memory is still 258.4MB. There was no memory consumed. Max. memory is 16.0GB.
* CACSL2BoogieTranslator took 505.38ms. Allocated memory is still 442.5MB. Free memory was 386.5MB in the beginning and 365.8MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB.
* Boogie Procedure Inliner took 42.15ms. Allocated memory is still 442.5MB. Free memory was 365.8MB in the beginning and 363.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
* Boogie Preprocessor took 43.65ms. Allocated memory is still 442.5MB. Free memory was 363.7MB in the beginning and 362.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
* RCFGBuilder took 394.93ms. Allocated memory is still 442.5MB. Free memory was 362.0MB in the beginning and 343.5MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB.
* TraceAbstraction took 6753.81ms. Allocated memory was 442.5MB in the beginning and 1.0GB in the end (delta: 574.6MB). Free memory was 342.8MB in the beginning and 827.6MB in the end (delta: -484.9MB). Peak memory consumption was 388.3MB. Max. memory is 16.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 711]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 711]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 740]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 740]: 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 7 procedures, 156 locations, 16 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: 6.6s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 402 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 402 mSDsluCounter, 145 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 959 IncrementalHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 82 mSDtfsCounter, 959 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6411occurred in iteration=10, InterpolantAutomatonStates: 66, 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, 0.9s InterpolantComputationTime, 467 NumberOfCodeBlocks, 467 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 457 ConstructedInterpolants, 0 QuantifiedInterpolants, 1159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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
4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-11-30 06:23:45,825 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...