/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_02-funloop_norace.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m
[2023-11-30 07:22:40,210 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-30 07:22:40,278 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf
[2023-11-30 07:22:40,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-30 07:22:40,310 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-30 07:22:40,310 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-30 07:22:40,311 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-30 07:22:40,311 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-30 07:22:40,311 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-30 07:22:40,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-30 07:22:40,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-30 07:22:40,316 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-30 07:22:40,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-30 07:22:40,317 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-30 07:22:40,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-30 07:22:40,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-30 07:22:40,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-30 07:22:40,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-30 07:22:40,318 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-30 07:22:40,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-30 07:22:40,319 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-30 07:22:40,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-30 07:22:40,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-30 07:22:40,320 INFO L153 SettingsManager]: * To the following directory=./dump/
[2023-11-30 07:22:40,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-30 07:22:40,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-30 07:22:40,322 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-30 07:22:40,322 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-30 07:22:40,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-30 07:22:40,322 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-30 07:22:40,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-30 07:22:40,323 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-30 07:22:40,323 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-30 07:22:40,324 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true
[2023-11-30 07:22:40,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-30 07:22:40,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-30 07:22:40,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-30 07:22:40,557 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-30 07:22:40,558 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-30 07:22:40,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_02-funloop_norace.i
[2023-11-30 07:22:41,649 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-30 07:22:41,857 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-30 07:22:41,857 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_02-funloop_norace.i
[2023-11-30 07:22:41,870 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ce6a7f97/b344dbb8f8664ff5a87731ff0e5c8a99/FLAG123765f93
[2023-11-30 07:22:41,886 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ce6a7f97/b344dbb8f8664ff5a87731ff0e5c8a99
[2023-11-30 07:22:41,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-30 07:22:41,889 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2023-11-30 07:22:41,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-30 07:22:41,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-30 07:22:41,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-30 07:22:41,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 07:22:41" (1/1) ...
[2023-11-30 07:22:41,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f2dbb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:22:41, skipping insertion in model container
[2023-11-30 07:22:41,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 07:22:41" (1/1) ...
[2023-11-30 07:22:41,951 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-30 07:22:42,305 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-30 07:22:42,333 INFO L202 MainTranslator]: Completed pre-run
[2023-11-30 07:22:42,382 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-30 07:22:42,441 INFO L206 MainTranslator]: Completed translation
[2023-11-30 07:22:42,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:22:42 WrapperNode
[2023-11-30 07:22:42,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-30 07:22:42,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-30 07:22:42,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-30 07:22:42,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-30 07:22:42,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:22:42" (1/1) ...
[2023-11-30 07:22:42,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:22:42" (1/1) ...
[2023-11-30 07:22:42,500 INFO L138 Inliner]: procedures = 263, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87
[2023-11-30 07:22:42,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-30 07:22:42,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-30 07:22:42,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-30 07:22:42,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-30 07:22:42,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:22:42" (1/1) ...
[2023-11-30 07:22:42,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:22:42" (1/1) ...
[2023-11-30 07:22:42,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:22:42" (1/1) ...
[2023-11-30 07:22:42,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:22:42" (1/1) ...
[2023-11-30 07:22:42,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:22:42" (1/1) ...
[2023-11-30 07:22:42,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:22:42" (1/1) ...
[2023-11-30 07:22:42,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:22:42" (1/1) ...
[2023-11-30 07:22:42,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:22:42" (1/1) ...
[2023-11-30 07:22:42,546 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-30 07:22:42,547 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-30 07:22:42,547 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-30 07:22:42,547 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-30 07:22:42,548 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:22:42" (1/1) ...
[2023-11-30 07:22:42,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-30 07:22:42,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-30 07:22:42,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-30 07:22:42,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-30 07:22:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-30 07:22:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-30 07:22:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2023-11-30 07:22:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2023-11-30 07:22:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2023-11-30 07:22:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-11-30 07:22:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-30 07:22:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2023-11-30 07:22:42,615 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2023-11-30 07:22:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-30 07:22:42,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-30 07:22:42,617 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-30 07:22:42,738 INFO L241 CfgBuilder]: Building ICFG
[2023-11-30 07:22:42,740 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-30 07:22:42,888 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-30 07:22:42,913 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-30 07:22:42,913 INFO L309 CfgBuilder]: Removed 3 assume(true) statements.
[2023-11-30 07:22:42,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 07:22:42 BoogieIcfgContainer
[2023-11-30 07:22:42,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-30 07:22:42,917 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-30 07:22:42,917 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-30 07:22:42,919 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-30 07:22:42,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 07:22:41" (1/3) ...
[2023-11-30 07:22:42,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbebcd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 07:22:42, skipping insertion in model container
[2023-11-30 07:22:42,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 07:22:42" (2/3) ...
[2023-11-30 07:22:42,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbebcd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 07:22:42, skipping insertion in model container
[2023-11-30 07:22:42,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 07:22:42" (3/3) ...
[2023-11-30 07:22:42,922 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_02-funloop_norace.i
[2023-11-30 07:22:42,936 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-30 07:22:42,936 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations.
[2023-11-30 07:22:42,936 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-30 07:22:42,999 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-11-30 07:22:43,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 97 transitions, 198 flow
[2023-11-30 07:22:43,062 INFO L124 PetriNetUnfolderBase]: 6/96 cut-off events.
[2023-11-30 07:22:43,062 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-30 07:22:43,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 96 events. 6/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 146 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place.
[2023-11-30 07:22:43,068 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 97 transitions, 198 flow
[2023-11-30 07:22:43,088 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 96 transitions, 195 flow
[2023-11-30 07:22:43,096 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-30 07:22:43,101 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;@4fb18993, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-30 07:22:43,101 INFO L363 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2023-11-30 07:22:43,106 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-11-30 07:22:43,106 INFO L124 PetriNetUnfolderBase]: 1/16 cut-off events.
[2023-11-30 07:22:43,106 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-11-30 07:22:43,106 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:22:43,107 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:22:43,107 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:22:43,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:22:43,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1866614594, now seen corresponding path program 1 times
[2023-11-30 07:22:43,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:22:43,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512188063]
[2023-11-30 07:22:43,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:43,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:22:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:43,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 07:22:43,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:22:43,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512188063]
[2023-11-30 07:22:43,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512188063] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:22:43,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:22:43,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-30 07:22:43,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883232489]
[2023-11-30 07:22:43,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:22:43,348 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-30 07:22:43,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:22:43,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-30 07:22:43,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-30 07:22:43,374 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 97
[2023-11-30 07:22:43,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 96 transitions, 195 flow. Second operand has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:43,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:22:43,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 97
[2023-11-30 07:22:43,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:22:43,503 INFO L124 PetriNetUnfolderBase]: 14/202 cut-off events.
[2023-11-30 07:22:43,504 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2023-11-30 07:22:43,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 202 events. 14/202 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 584 event pairs, 6 based on Foata normal form. 10/182 useless extension candidates. Maximal degree in co-relation 192. Up to 37 conditions per place.
[2023-11-30 07:22:43,507 INFO L140 encePairwiseOnDemand]: 87/97 looper letters, 22 selfloop transitions, 4 changer transitions 0/100 dead transitions.
[2023-11-30 07:22:43,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 100 transitions, 255 flow
[2023-11-30 07:22:43,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-30 07:22:43,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-30 07:22:43,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 408 transitions.
[2023-11-30 07:22:43,519 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8412371134020619
[2023-11-30 07:22:43,520 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 408 transitions.
[2023-11-30 07:22:43,520 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 408 transitions.
[2023-11-30 07:22:43,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:22:43,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 408 transitions.
[2023-11-30 07:22:43,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 81.6) internal successors, (408), 5 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:43,531 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:43,531 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:43,534 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 4 predicate places.
[2023-11-30 07:22:43,534 INFO L500 AbstractCegarLoop]: Abstraction has has 98 places, 100 transitions, 255 flow
[2023-11-30 07:22:43,535 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 76.5) internal successors, (306), 4 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:43,535 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:22:43,535 INFO L232 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:22:43,535 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-30 07:22:43,535 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:22:43,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:22:43,541 INFO L85 PathProgramCache]: Analyzing trace with hash 588425470, now seen corresponding path program 1 times
[2023-11-30 07:22:43,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:22:43,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293928859]
[2023-11-30 07:22:43,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:43,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:22:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 07:22:43,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:22:43,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293928859]
[2023-11-30 07:22:43,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293928859] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-30 07:22:43,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430921521]
[2023-11-30 07:22:43,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:43,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-30 07:22:43,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-30 07:22:43,716 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-30 07:22:43,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-30 07:22:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:43,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-30 07:22:43,808 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-30 07:22:43,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 07:22:43,874 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-30 07:22:43,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430921521] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:22:43,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-30 07:22:43,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2023-11-30 07:22:43,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552932937]
[2023-11-30 07:22:43,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:22:43,877 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-30 07:22:43,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:22:43,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-30 07:22:43,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2023-11-30 07:22:43,881 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 97
[2023-11-30 07:22:43,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 100 transitions, 255 flow. Second operand has 6 states, 6 states have (on average 77.16666666666667) internal successors, (463), 6 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:43,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:22:43,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 97
[2023-11-30 07:22:43,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:22:44,016 INFO L124 PetriNetUnfolderBase]: 14/201 cut-off events.
[2023-11-30 07:22:44,016 INFO L125 PetriNetUnfolderBase]: For 19/23 co-relation queries the response was YES.
[2023-11-30 07:22:44,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 201 events. 14/201 cut-off events. For 19/23 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 585 event pairs, 6 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 214. Up to 36 conditions per place.
[2023-11-30 07:22:44,019 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 18 selfloop transitions, 7 changer transitions 0/99 dead transitions.
[2023-11-30 07:22:44,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 99 transitions, 301 flow
[2023-11-30 07:22:44,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-11-30 07:22:44,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2023-11-30 07:22:44,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 551 transitions.
[2023-11-30 07:22:44,022 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8114874815905744
[2023-11-30 07:22:44,022 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 551 transitions.
[2023-11-30 07:22:44,022 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 551 transitions.
[2023-11-30 07:22:44,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:22:44,023 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 551 transitions.
[2023-11-30 07:22:44,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 78.71428571428571) internal successors, (551), 7 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:44,027 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 97.0) internal successors, (776), 8 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:44,027 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 97.0) internal successors, (776), 8 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:44,028 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 9 predicate places.
[2023-11-30 07:22:44,028 INFO L500 AbstractCegarLoop]: Abstraction has has 103 places, 99 transitions, 301 flow
[2023-11-30 07:22:44,029 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 77.16666666666667) internal successors, (463), 6 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:44,029 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:22:44,029 INFO L232 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:22:44,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2023-11-30 07:22:44,234 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-30 07:22:44,234 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:22:44,235 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:22:44,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1061320596, now seen corresponding path program 1 times
[2023-11-30 07:22:44,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:22:44,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332560697]
[2023-11-30 07:22:44,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:44,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:22:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:44,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-30 07:22:44,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:22:44,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332560697]
[2023-11-30 07:22:44,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332560697] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:22:44,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:22:44,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-30 07:22:44,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802465040]
[2023-11-30 07:22:44,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:22:44,336 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-30 07:22:44,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:22:44,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-30 07:22:44,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-30 07:22:44,337 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 97
[2023-11-30 07:22:44,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 99 transitions, 301 flow. Second operand has 4 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:44,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:22:44,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 97
[2023-11-30 07:22:44,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:22:44,441 INFO L124 PetriNetUnfolderBase]: 14/200 cut-off events.
[2023-11-30 07:22:44,441 INFO L125 PetriNetUnfolderBase]: For 54/62 co-relation queries the response was YES.
[2023-11-30 07:22:44,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 200 events. 14/200 cut-off events. For 54/62 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 579 event pairs, 6 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 236. Up to 35 conditions per place.
[2023-11-30 07:22:44,443 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 16 selfloop transitions, 8 changer transitions 0/98 dead transitions.
[2023-11-30 07:22:44,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 98 transitions, 343 flow
[2023-11-30 07:22:44,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-30 07:22:44,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-30 07:22:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 394 transitions.
[2023-11-30 07:22:44,456 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8123711340206186
[2023-11-30 07:22:44,457 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 394 transitions.
[2023-11-30 07:22:44,457 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 394 transitions.
[2023-11-30 07:22:44,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:22:44,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 394 transitions.
[2023-11-30 07:22:44,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 78.8) internal successors, (394), 5 states have internal predecessors, (394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:44,459 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:44,460 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:44,477 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 12 predicate places.
[2023-11-30 07:22:44,478 INFO L500 AbstractCegarLoop]: Abstraction has has 106 places, 98 transitions, 343 flow
[2023-11-30 07:22:44,478 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 78.5) internal successors, (314), 4 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:44,478 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:22:44,479 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 07:22:44,479 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-30 07:22:44,479 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:22:44,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:22:44,480 INFO L85 PathProgramCache]: Analyzing trace with hash 529424059, now seen corresponding path program 1 times
[2023-11-30 07:22:44,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:22:44,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518458488]
[2023-11-30 07:22:44,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:44,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:22:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:44,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 07:22:44,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:22:44,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518458488]
[2023-11-30 07:22:44,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518458488] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-30 07:22:44,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [304207984]
[2023-11-30 07:22:44,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:44,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-30 07:22:44,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-30 07:22:44,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-30 07:22:44,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-30 07:22:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:44,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-30 07:22:44,764 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-30 07:22:44,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 07:22:44,789 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-30 07:22:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 07:22:44,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [304207984] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-30 07:22:44,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-30 07:22:44,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2023-11-30 07:22:44,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431190274]
[2023-11-30 07:22:44,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-30 07:22:44,824 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-11-30 07:22:44,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:22:44,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-11-30 07:22:44,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2023-11-30 07:22:44,827 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 97
[2023-11-30 07:22:44,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 98 transitions, 343 flow. Second operand has 10 states, 10 states have (on average 77.9) internal successors, (779), 10 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:44,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:22:44,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 97
[2023-11-30 07:22:44,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:22:44,946 INFO L124 PetriNetUnfolderBase]: 14/208 cut-off events.
[2023-11-30 07:22:44,946 INFO L125 PetriNetUnfolderBase]: For 106/118 co-relation queries the response was YES.
[2023-11-30 07:22:44,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 208 events. 14/208 cut-off events. For 106/118 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 567 event pairs, 6 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 258. Up to 43 conditions per place.
[2023-11-30 07:22:44,948 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 23 selfloop transitions, 9 changer transitions 0/106 dead transitions.
[2023-11-30 07:22:44,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 106 transitions, 471 flow
[2023-11-30 07:22:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2023-11-30 07:22:44,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states.
[2023-11-30 07:22:44,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 709 transitions.
[2023-11-30 07:22:44,951 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8121420389461627
[2023-11-30 07:22:44,951 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 709 transitions.
[2023-11-30 07:22:44,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 709 transitions.
[2023-11-30 07:22:44,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:22:44,952 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 709 transitions.
[2023-11-30 07:22:44,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 78.77777777777777) internal successors, (709), 9 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:44,983 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:44,984 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 97.0) internal successors, (970), 10 states have internal predecessors, (970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:44,985 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 20 predicate places.
[2023-11-30 07:22:44,985 INFO L500 AbstractCegarLoop]: Abstraction has has 114 places, 106 transitions, 471 flow
[2023-11-30 07:22:44,985 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 77.9) internal successors, (779), 10 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:44,985 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:22:44,986 INFO L232 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:22:44,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-30 07:22:45,191 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3
[2023-11-30 07:22:45,192 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:22:45,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:22:45,192 INFO L85 PathProgramCache]: Analyzing trace with hash -2136376773, now seen corresponding path program 2 times
[2023-11-30 07:22:45,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:22:45,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826687484]
[2023-11-30 07:22:45,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:45,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:22:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:45,323 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 07:22:45,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:22:45,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826687484]
[2023-11-30 07:22:45,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826687484] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-30 07:22:45,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014920246]
[2023-11-30 07:22:45,324 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-30 07:22:45,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-30 07:22:45,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-30 07:22:45,325 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-30 07:22:45,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-30 07:22:45,396 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-30 07:22:45,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-30 07:22:45,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 14 conjunts are in the unsatisfiable core
[2023-11-30 07:22:45,401 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-30 07:22:45,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6
[2023-11-30 07:22:45,683 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-30 07:22:45,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10
[2023-11-30 07:22:45,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10
[2023-11-30 07:22:45,803 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2023-11-30 07:22:45,804 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-30 07:22:45,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014920246] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:22:45,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-30 07:22:45,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 18
[2023-11-30 07:22:45,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580128046]
[2023-11-30 07:22:45,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:22:45,808 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2023-11-30 07:22:45,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:22:45,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2023-11-30 07:22:45,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306
[2023-11-30 07:22:45,815 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 97
[2023-11-30 07:22:45,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 106 transitions, 471 flow. Second operand has 11 states, 11 states have (on average 63.36363636363637) internal successors, (697), 11 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:45,816 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:22:45,816 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 97
[2023-11-30 07:22:45,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:22:46,319 INFO L124 PetriNetUnfolderBase]: 300/1042 cut-off events.
[2023-11-30 07:22:46,320 INFO L125 PetriNetUnfolderBase]: For 1020/1020 co-relation queries the response was YES.
[2023-11-30 07:22:46,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2215 conditions, 1042 events. 300/1042 cut-off events. For 1020/1020 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 6917 event pairs, 11 based on Foata normal form. 0/906 useless extension candidates. Maximal degree in co-relation 2050. Up to 316 conditions per place.
[2023-11-30 07:22:46,331 INFO L140 encePairwiseOnDemand]: 82/97 looper letters, 92 selfloop transitions, 28 changer transitions 0/192 dead transitions.
[2023-11-30 07:22:46,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 192 transitions, 1051 flow
[2023-11-30 07:22:46,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2023-11-30 07:22:46,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states.
[2023-11-30 07:22:46,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1175 transitions.
[2023-11-30 07:22:46,335 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7125530624620983
[2023-11-30 07:22:46,336 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1175 transitions.
[2023-11-30 07:22:46,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1175 transitions.
[2023-11-30 07:22:46,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:22:46,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1175 transitions.
[2023-11-30 07:22:46,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 69.11764705882354) internal successors, (1175), 17 states have internal predecessors, (1175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:46,342 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 97.0) internal successors, (1746), 18 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:46,343 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 97.0) internal successors, (1746), 18 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:46,345 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 36 predicate places.
[2023-11-30 07:22:46,345 INFO L500 AbstractCegarLoop]: Abstraction has has 130 places, 192 transitions, 1051 flow
[2023-11-30 07:22:46,346 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.36363636363637) internal successors, (697), 11 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:46,346 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:22:46,346 INFO L232 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:22:46,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-30 07:22:46,556 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-30 07:22:46,557 INFO L425 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:22:46,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:22:46,557 INFO L85 PathProgramCache]: Analyzing trace with hash -587668872, now seen corresponding path program 1 times
[2023-11-30 07:22:46,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:22:46,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488698974]
[2023-11-30 07:22:46,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:46,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:22:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:46,721 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 07:22:46,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:22:46,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488698974]
[2023-11-30 07:22:46,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488698974] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-30 07:22:46,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647378663]
[2023-11-30 07:22:46,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:46,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-30 07:22:46,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-30 07:22:46,724 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-30 07:22:46,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-30 07:22:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:46,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-11-30 07:22:46,821 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-30 07:22:46,868 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 07:22:46,869 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-30 07:22:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 07:22:46,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647378663] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-30 07:22:46,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-30 07:22:46,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18
[2023-11-30 07:22:46,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151071124]
[2023-11-30 07:22:46,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-30 07:22:46,962 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2023-11-30 07:22:46,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:22:46,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2023-11-30 07:22:46,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306
[2023-11-30 07:22:46,967 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 97
[2023-11-30 07:22:46,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 192 transitions, 1051 flow. Second operand has 18 states, 18 states have (on average 78.16666666666667) internal successors, (1407), 18 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:46,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:22:46,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 97
[2023-11-30 07:22:46,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:22:47,286 INFO L124 PetriNetUnfolderBase]: 300/1070 cut-off events.
[2023-11-30 07:22:47,286 INFO L125 PetriNetUnfolderBase]: For 1550/1550 co-relation queries the response was YES.
[2023-11-30 07:22:47,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2532 conditions, 1070 events. 300/1070 cut-off events. For 1550/1550 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 6973 event pairs, 11 based on Foata normal form. 0/934 useless extension candidates. Maximal degree in co-relation 2167. Up to 316 conditions per place.
[2023-11-30 07:22:47,294 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 60 selfloop transitions, 21 changer transitions 0/220 dead transitions.
[2023-11-30 07:22:47,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 220 transitions, 1501 flow
[2023-11-30 07:22:47,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2023-11-30 07:22:47,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states.
[2023-11-30 07:22:47,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1639 transitions.
[2023-11-30 07:22:47,299 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8046146293568974
[2023-11-30 07:22:47,299 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 1639 transitions.
[2023-11-30 07:22:47,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 1639 transitions.
[2023-11-30 07:22:47,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:22:47,301 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 1639 transitions.
[2023-11-30 07:22:47,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 78.04761904761905) internal successors, (1639), 21 states have internal predecessors, (1639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:47,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 97.0) internal successors, (2134), 22 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:47,310 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 97.0) internal successors, (2134), 22 states have internal predecessors, (2134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:47,312 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 56 predicate places.
[2023-11-30 07:22:47,312 INFO L500 AbstractCegarLoop]: Abstraction has has 150 places, 220 transitions, 1501 flow
[2023-11-30 07:22:47,313 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 78.16666666666667) internal successors, (1407), 18 states have internal predecessors, (1407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:47,313 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:22:47,313 INFO L232 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:22:47,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-11-30 07:22:47,522 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-30 07:22:47,522 INFO L425 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:22:47,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:22:47,523 INFO L85 PathProgramCache]: Analyzing trace with hash -731596424, now seen corresponding path program 2 times
[2023-11-30 07:22:47,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:22:47,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440448592]
[2023-11-30 07:22:47,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:47,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:22:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 07:22:47,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:22:47,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440448592]
[2023-11-30 07:22:47,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440448592] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-30 07:22:47,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063177451]
[2023-11-30 07:22:47,910 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-30 07:22:47,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-30 07:22:47,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-30 07:22:47,914 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-30 07:22:47,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-11-30 07:22:48,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-30 07:22:48,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-30 07:22:48,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 14 conjunts are in the unsatisfiable core
[2023-11-30 07:22:48,015 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-30 07:22:48,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6
[2023-11-30 07:22:48,334 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-11-30 07:22:48,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 10
[2023-11-30 07:22:48,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10
[2023-11-30 07:22:48,455 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked.
[2023-11-30 07:22:48,455 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-30 07:22:48,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063177451] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:22:48,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-30 07:22:48,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [17] total 26
[2023-11-30 07:22:48,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831361335]
[2023-11-30 07:22:48,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:22:48,457 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2023-11-30 07:22:48,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:22:48,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2023-11-30 07:22:48,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650
[2023-11-30 07:22:48,460 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 97
[2023-11-30 07:22:48,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 220 transitions, 1501 flow. Second operand has 11 states, 11 states have (on average 63.36363636363637) internal successors, (697), 11 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:48,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:22:48,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 97
[2023-11-30 07:22:48,462 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:22:48,941 INFO L124 PetriNetUnfolderBase]: 470/1618 cut-off events.
[2023-11-30 07:22:48,942 INFO L125 PetriNetUnfolderBase]: For 3414/3452 co-relation queries the response was YES.
[2023-11-30 07:22:48,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4395 conditions, 1618 events. 470/1618 cut-off events. For 3414/3452 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 11519 event pairs, 55 based on Foata normal form. 13/1393 useless extension candidates. Maximal degree in co-relation 4015. Up to 540 conditions per place.
[2023-11-30 07:22:48,954 INFO L140 encePairwiseOnDemand]: 82/97 looper letters, 118 selfloop transitions, 36 changer transitions 0/268 dead transitions.
[2023-11-30 07:22:48,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 268 transitions, 2077 flow
[2023-11-30 07:22:48,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2023-11-30 07:22:48,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2023-11-30 07:22:48,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 899 transitions.
[2023-11-30 07:22:48,956 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7129262490087233
[2023-11-30 07:22:48,957 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 899 transitions.
[2023-11-30 07:22:48,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 899 transitions.
[2023-11-30 07:22:48,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:22:48,957 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 899 transitions.
[2023-11-30 07:22:48,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 69.15384615384616) internal successors, (899), 13 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:48,962 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 97.0) internal successors, (1358), 14 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:48,962 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 97.0) internal successors, (1358), 14 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:48,963 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 68 predicate places.
[2023-11-30 07:22:48,963 INFO L500 AbstractCegarLoop]: Abstraction has has 162 places, 268 transitions, 2077 flow
[2023-11-30 07:22:48,964 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.36363636363637) internal successors, (697), 11 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:48,964 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:22:48,964 INFO L232 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:22:48,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-11-30 07:22:49,170 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-30 07:22:49,170 INFO L425 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:22:49,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:22:49,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1969957052, now seen corresponding path program 1 times
[2023-11-30 07:22:49,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:22:49,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048064975]
[2023-11-30 07:22:49,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:49,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:22:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:49,431 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 07:22:49,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:22:49,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048064975]
[2023-11-30 07:22:49,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048064975] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-30 07:22:49,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813866286]
[2023-11-30 07:22:49,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:49,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-30 07:22:49,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-11-30 07:22:49,433 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-30 07:22:49,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-11-30 07:22:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:49,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 16 conjunts are in the unsatisfiable core
[2023-11-30 07:22:49,515 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-30 07:22:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 07:22:49,586 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-30 07:22:49,741 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-30 07:22:49,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813866286] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-30 07:22:49,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-30 07:22:49,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23
[2023-11-30 07:22:49,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293400460]
[2023-11-30 07:22:49,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-30 07:22:49,742 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2023-11-30 07:22:49,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:22:49,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2023-11-30 07:22:49,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506
[2023-11-30 07:22:49,745 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 97
[2023-11-30 07:22:49,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 268 transitions, 2077 flow. Second operand has 23 states, 23 states have (on average 78.3913043478261) internal successors, (1803), 23 states have internal predecessors, (1803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:49,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:22:49,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 97
[2023-11-30 07:22:49,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:22:50,254 INFO L124 PetriNetUnfolderBase]: 472/1645 cut-off events.
[2023-11-30 07:22:50,254 INFO L125 PetriNetUnfolderBase]: For 4284/4306 co-relation queries the response was YES.
[2023-11-30 07:22:50,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4793 conditions, 1645 events. 472/1645 cut-off events. For 4284/4306 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 11567 event pairs, 41 based on Foata normal form. 0/1407 useless extension candidates. Maximal degree in co-relation 4204. Up to 540 conditions per place.
[2023-11-30 07:22:50,267 INFO L140 encePairwiseOnDemand]: 91/97 looper letters, 82 selfloop transitions, 30 changer transitions 0/289 dead transitions.
[2023-11-30 07:22:50,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 289 transitions, 2565 flow
[2023-11-30 07:22:50,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states.
[2023-11-30 07:22:50,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states.
[2023-11-30 07:22:50,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 2334 transitions.
[2023-11-30 07:22:50,273 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8020618556701031
[2023-11-30 07:22:50,274 INFO L72 ComplementDD]: Start complementDD. Operand 30 states and 2334 transitions.
[2023-11-30 07:22:50,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 2334 transitions.
[2023-11-30 07:22:50,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:22:50,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 30 states and 2334 transitions.
[2023-11-30 07:22:50,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 31 states, 30 states have (on average 77.8) internal successors, (2334), 30 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:50,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 31 states, 31 states have (on average 97.0) internal successors, (3007), 31 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:50,286 INFO L81 ComplementDD]: Finished complementDD. Result has 31 states, 31 states have (on average 97.0) internal successors, (3007), 31 states have internal predecessors, (3007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:50,287 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 97 predicate places.
[2023-11-30 07:22:50,287 INFO L500 AbstractCegarLoop]: Abstraction has has 191 places, 289 transitions, 2565 flow
[2023-11-30 07:22:50,288 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 78.3913043478261) internal successors, (1803), 23 states have internal predecessors, (1803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:50,288 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:22:50,288 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:22:50,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-11-30 07:22:50,495 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-30 07:22:50,495 INFO L425 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:22:50,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:22:50,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1919751552, now seen corresponding path program 2 times
[2023-11-30 07:22:50,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:22:50,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016268554]
[2023-11-30 07:22:50,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:50,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:22:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:50,846 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:22:50,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:22:50,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016268554]
[2023-11-30 07:22:50,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016268554] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:22:50,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:22:50,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2023-11-30 07:22:50,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784376381]
[2023-11-30 07:22:50,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:22:50,848 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2023-11-30 07:22:50,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:22:50,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2023-11-30 07:22:50,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110
[2023-11-30 07:22:50,849 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 97
[2023-11-30 07:22:50,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 289 transitions, 2565 flow. Second operand has 11 states, 11 states have (on average 63.45454545454545) internal successors, (698), 11 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:50,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:22:50,850 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 97
[2023-11-30 07:22:50,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:22:51,313 INFO L124 PetriNetUnfolderBase]: 455/1582 cut-off events.
[2023-11-30 07:22:51,313 INFO L125 PetriNetUnfolderBase]: For 5159/5372 co-relation queries the response was YES.
[2023-11-30 07:22:51,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5482 conditions, 1582 events. 455/1582 cut-off events. For 5159/5372 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 10994 event pairs, 40 based on Foata normal form. 49/1415 useless extension candidates. Maximal degree in co-relation 4875. Up to 569 conditions per place.
[2023-11-30 07:22:51,326 INFO L140 encePairwiseOnDemand]: 83/97 looper letters, 130 selfloop transitions, 39 changer transitions 0/295 dead transitions.
[2023-11-30 07:22:51,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 295 transitions, 2981 flow
[2023-11-30 07:22:51,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2023-11-30 07:22:51,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states.
[2023-11-30 07:22:51,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1172 transitions.
[2023-11-30 07:22:51,330 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7107337780473014
[2023-11-30 07:22:51,330 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 1172 transitions.
[2023-11-30 07:22:51,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 1172 transitions.
[2023-11-30 07:22:51,331 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:22:51,331 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 1172 transitions.
[2023-11-30 07:22:51,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 68.94117647058823) internal successors, (1172), 17 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:51,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 97.0) internal successors, (1746), 18 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:51,340 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 97.0) internal successors, (1746), 18 states have internal predecessors, (1746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:51,341 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 113 predicate places.
[2023-11-30 07:22:51,341 INFO L500 AbstractCegarLoop]: Abstraction has has 207 places, 295 transitions, 2981 flow
[2023-11-30 07:22:51,341 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.45454545454545) internal successors, (698), 11 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:51,341 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:22:51,342 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:22:51,342 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-30 07:22:51,342 INFO L425 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:22:51,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:22:51,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1609911170, now seen corresponding path program 1 times
[2023-11-30 07:22:51,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:22:51,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527228242]
[2023-11-30 07:22:51,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:51,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:22:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:51,697 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:22:51,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:22:51,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527228242]
[2023-11-30 07:22:51,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527228242] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:22:51,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:22:51,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2023-11-30 07:22:51,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566274695]
[2023-11-30 07:22:51,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:22:51,699 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2023-11-30 07:22:51,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:22:51,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2023-11-30 07:22:51,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110
[2023-11-30 07:22:51,700 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 97
[2023-11-30 07:22:51,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 295 transitions, 2981 flow. Second operand has 11 states, 11 states have (on average 63.45454545454545) internal successors, (698), 11 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:51,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:22:51,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 97
[2023-11-30 07:22:51,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:22:52,125 INFO L124 PetriNetUnfolderBase]: 444/1523 cut-off events.
[2023-11-30 07:22:52,125 INFO L125 PetriNetUnfolderBase]: For 6381/6720 co-relation queries the response was YES.
[2023-11-30 07:22:52,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6055 conditions, 1523 events. 444/1523 cut-off events. For 6381/6720 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 10481 event pairs, 41 based on Foata normal form. 31/1353 useless extension candidates. Maximal degree in co-relation 5430. Up to 542 conditions per place.
[2023-11-30 07:22:52,140 INFO L140 encePairwiseOnDemand]: 83/97 looper letters, 135 selfloop transitions, 35 changer transitions 0/299 dead transitions.
[2023-11-30 07:22:52,140 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 299 transitions, 3385 flow
[2023-11-30 07:22:52,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2023-11-30 07:22:52,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states.
[2023-11-30 07:22:52,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 897 transitions.
[2023-11-30 07:22:52,143 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.711340206185567
[2023-11-30 07:22:52,143 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 897 transitions.
[2023-11-30 07:22:52,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 897 transitions.
[2023-11-30 07:22:52,145 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:22:52,145 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 897 transitions.
[2023-11-30 07:22:52,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 69.0) internal successors, (897), 13 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:52,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 97.0) internal successors, (1358), 14 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:52,149 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 97.0) internal successors, (1358), 14 states have internal predecessors, (1358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:52,150 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 125 predicate places.
[2023-11-30 07:22:52,150 INFO L500 AbstractCegarLoop]: Abstraction has has 219 places, 299 transitions, 3385 flow
[2023-11-30 07:22:52,150 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.45454545454545) internal successors, (698), 11 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:52,150 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:22:52,151 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:22:52,151 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-30 07:22:52,151 INFO L425 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:22:52,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:22:52,151 INFO L85 PathProgramCache]: Analyzing trace with hash 593589285, now seen corresponding path program 1 times
[2023-11-30 07:22:52,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:22:52,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376523909]
[2023-11-30 07:22:52,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:52,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:22:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:52,233 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:22:52,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:22:52,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376523909]
[2023-11-30 07:22:52,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376523909] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:22:52,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:22:52,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-30 07:22:52,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430590042]
[2023-11-30 07:22:52,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:22:52,234 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-30 07:22:52,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:22:52,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-30 07:22:52,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-30 07:22:52,235 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 97
[2023-11-30 07:22:52,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 299 transitions, 3385 flow. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:52,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:22:52,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 97
[2023-11-30 07:22:52,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:22:52,672 INFO L124 PetriNetUnfolderBase]: 686/2207 cut-off events.
[2023-11-30 07:22:52,672 INFO L125 PetriNetUnfolderBase]: For 13838/14481 co-relation queries the response was YES.
[2023-11-30 07:22:52,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9680 conditions, 2207 events. 686/2207 cut-off events. For 13838/14481 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 15662 event pairs, 118 based on Foata normal form. 22/1944 useless extension candidates. Maximal degree in co-relation 9053. Up to 961 conditions per place.
[2023-11-30 07:22:52,693 INFO L140 encePairwiseOnDemand]: 90/97 looper letters, 78 selfloop transitions, 4 changer transitions 0/327 dead transitions.
[2023-11-30 07:22:52,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 327 transitions, 3997 flow
[2023-11-30 07:22:52,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-30 07:22:52,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-30 07:22:52,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 420 transitions.
[2023-11-30 07:22:52,696 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.865979381443299
[2023-11-30 07:22:52,696 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 420 transitions.
[2023-11-30 07:22:52,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 420 transitions.
[2023-11-30 07:22:52,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:22:52,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 420 transitions.
[2023-11-30 07:22:52,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 84.0) internal successors, (420), 5 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:52,698 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:52,698 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:52,698 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 129 predicate places.
[2023-11-30 07:22:52,698 INFO L500 AbstractCegarLoop]: Abstraction has has 223 places, 327 transitions, 3997 flow
[2023-11-30 07:22:52,699 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:52,699 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:22:52,699 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:22:52,699 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-11-30 07:22:52,699 INFO L425 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:22:52,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:22:52,699 INFO L85 PathProgramCache]: Analyzing trace with hash -963216674, now seen corresponding path program 1 times
[2023-11-30 07:22:52,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:22:52,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56559901]
[2023-11-30 07:22:52,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:52,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:22:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:52,766 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:22:52,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:22:52,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56559901]
[2023-11-30 07:22:52,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56559901] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:22:52,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:22:52,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-30 07:22:52,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660925620]
[2023-11-30 07:22:52,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:22:52,768 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-30 07:22:52,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:22:52,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-30 07:22:52,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-30 07:22:52,769 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 97
[2023-11-30 07:22:52,770 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 327 transitions, 3997 flow. Second operand has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:52,770 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:22:52,770 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 97
[2023-11-30 07:22:52,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:22:53,347 INFO L124 PetriNetUnfolderBase]: 948/3234 cut-off events.
[2023-11-30 07:22:53,347 INFO L125 PetriNetUnfolderBase]: For 29525/30651 co-relation queries the response was YES.
[2023-11-30 07:22:53,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14895 conditions, 3234 events. 948/3234 cut-off events. For 29525/30651 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 23743 event pairs, 345 based on Foata normal form. 34/2826 useless extension candidates. Maximal degree in co-relation 14264. Up to 1405 conditions per place.
[2023-11-30 07:22:53,383 INFO L140 encePairwiseOnDemand]: 90/97 looper letters, 114 selfloop transitions, 4 changer transitions 0/345 dead transitions.
[2023-11-30 07:22:53,383 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 345 transitions, 4757 flow
[2023-11-30 07:22:53,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-11-30 07:22:53,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2023-11-30 07:22:53,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 412 transitions.
[2023-11-30 07:22:53,385 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8494845360824742
[2023-11-30 07:22:53,385 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 412 transitions.
[2023-11-30 07:22:53,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 412 transitions.
[2023-11-30 07:22:53,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:22:53,385 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 412 transitions.
[2023-11-30 07:22:53,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 82.4) internal successors, (412), 5 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:53,387 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:53,387 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 97.0) internal successors, (582), 6 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:53,388 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 125 predicate places.
[2023-11-30 07:22:53,388 INFO L500 AbstractCegarLoop]: Abstraction has has 219 places, 345 transitions, 4757 flow
[2023-11-30 07:22:53,388 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 77.5) internal successors, (310), 4 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:53,388 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:22:53,388 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:22:53,388 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-11-30 07:22:53,389 INFO L425 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:22:53,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:22:53,389 INFO L85 PathProgramCache]: Analyzing trace with hash -2059660459, now seen corresponding path program 1 times
[2023-11-30 07:22:53,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:22:53,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587692193]
[2023-11-30 07:22:53,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:53,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:22:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:53,909 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:22:53,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:22:53,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587692193]
[2023-11-30 07:22:53,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587692193] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:22:53,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:22:53,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-11-30 07:22:53,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724595600]
[2023-11-30 07:22:53,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:22:53,911 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-30 07:22:53,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:22:53,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-30 07:22:53,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210
[2023-11-30 07:22:53,913 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 97
[2023-11-30 07:22:53,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 345 transitions, 4757 flow. Second operand has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:53,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:22:53,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 97
[2023-11-30 07:22:53,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:22:56,245 INFO L124 PetriNetUnfolderBase]: 2275/6120 cut-off events.
[2023-11-30 07:22:56,245 INFO L125 PetriNetUnfolderBase]: For 43089/43722 co-relation queries the response was YES.
[2023-11-30 07:22:56,266 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29868 conditions, 6120 events. 2275/6120 cut-off events. For 43089/43722 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 45965 event pairs, 543 based on Foata normal form. 8/5468 useless extension candidates. Maximal degree in co-relation 29219. Up to 2656 conditions per place.
[2023-11-30 07:22:56,299 INFO L140 encePairwiseOnDemand]: 77/97 looper letters, 517 selfloop transitions, 136 changer transitions 0/770 dead transitions.
[2023-11-30 07:22:56,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 770 transitions, 10943 flow
[2023-11-30 07:22:56,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states.
[2023-11-30 07:22:56,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states.
[2023-11-30 07:22:56,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 2324 transitions.
[2023-11-30 07:22:56,306 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6304937601736299
[2023-11-30 07:22:56,306 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 2324 transitions.
[2023-11-30 07:22:56,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 2324 transitions.
[2023-11-30 07:22:56,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:22:56,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 2324 transitions.
[2023-11-30 07:22:56,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 61.1578947368421) internal successors, (2324), 38 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:56,317 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 97.0) internal successors, (3783), 39 states have internal predecessors, (3783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:56,329 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 97.0) internal successors, (3783), 39 states have internal predecessors, (3783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:56,329 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 162 predicate places.
[2023-11-30 07:22:56,329 INFO L500 AbstractCegarLoop]: Abstraction has has 256 places, 770 transitions, 10943 flow
[2023-11-30 07:22:56,330 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:56,330 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:22:56,330 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:22:56,330 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2023-11-30 07:22:56,331 INFO L425 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:22:56,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:22:56,331 INFO L85 PathProgramCache]: Analyzing trace with hash 665465805, now seen corresponding path program 2 times
[2023-11-30 07:22:56,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:22:56,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289806905]
[2023-11-30 07:22:56,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:56,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:22:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:56,850 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:22:56,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:22:56,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289806905]
[2023-11-30 07:22:56,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289806905] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:22:56,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:22:56,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-11-30 07:22:56,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286505931]
[2023-11-30 07:22:56,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:22:56,852 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-30 07:22:56,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:22:56,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-30 07:22:56,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210
[2023-11-30 07:22:56,853 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 97
[2023-11-30 07:22:56,854 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 256 places, 770 transitions, 10943 flow. Second operand has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:56,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:22:56,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 97
[2023-11-30 07:22:56,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:22:59,285 INFO L124 PetriNetUnfolderBase]: 2658/7099 cut-off events.
[2023-11-30 07:22:59,285 INFO L125 PetriNetUnfolderBase]: For 55121/56214 co-relation queries the response was YES.
[2023-11-30 07:22:59,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39758 conditions, 7099 events. 2658/7099 cut-off events. For 55121/56214 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 55307 event pairs, 641 based on Foata normal form. 26/6340 useless extension candidates. Maximal degree in co-relation 39091. Up to 3218 conditions per place.
[2023-11-30 07:22:59,347 INFO L140 encePairwiseOnDemand]: 78/97 looper letters, 733 selfloop transitions, 161 changer transitions 0/1011 dead transitions.
[2023-11-30 07:22:59,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 1011 transitions, 15745 flow
[2023-11-30 07:22:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2023-11-30 07:22:59,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states.
[2023-11-30 07:22:59,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 1961 transitions.
[2023-11-30 07:22:59,351 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6317654639175257
[2023-11-30 07:22:59,351 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 1961 transitions.
[2023-11-30 07:22:59,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 1961 transitions.
[2023-11-30 07:22:59,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:22:59,352 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 1961 transitions.
[2023-11-30 07:22:59,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 61.28125) internal successors, (1961), 32 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:59,359 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 97.0) internal successors, (3201), 33 states have internal predecessors, (3201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:59,360 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 97.0) internal successors, (3201), 33 states have internal predecessors, (3201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:59,360 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 193 predicate places.
[2023-11-30 07:22:59,360 INFO L500 AbstractCegarLoop]: Abstraction has has 287 places, 1011 transitions, 15745 flow
[2023-11-30 07:22:59,360 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:59,361 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:22:59,361 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:22:59,361 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2023-11-30 07:22:59,361 INFO L425 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:22:59,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:22:59,361 INFO L85 PathProgramCache]: Analyzing trace with hash -939335807, now seen corresponding path program 1 times
[2023-11-30 07:22:59,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:22:59,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976427145]
[2023-11-30 07:22:59,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:22:59,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:22:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:22:59,891 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:22:59,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:22:59,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976427145]
[2023-11-30 07:22:59,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976427145] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:22:59,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:22:59,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-11-30 07:22:59,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698357193]
[2023-11-30 07:22:59,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:22:59,892 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-30 07:22:59,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:22:59,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-30 07:22:59,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210
[2023-11-30 07:22:59,894 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 97
[2023-11-30 07:22:59,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 1011 transitions, 15745 flow. Second operand has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:22:59,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:22:59,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 97
[2023-11-30 07:22:59,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:23:02,479 INFO L124 PetriNetUnfolderBase]: 3292/8831 cut-off events.
[2023-11-30 07:23:02,479 INFO L125 PetriNetUnfolderBase]: For 72188/72854 co-relation queries the response was YES.
[2023-11-30 07:23:02,499 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54166 conditions, 8831 events. 3292/8831 cut-off events. For 72188/72854 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 71609 event pairs, 499 based on Foata normal form. 26/7917 useless extension candidates. Maximal degree in co-relation 53481. Up to 4074 conditions per place.
[2023-11-30 07:23:02,556 INFO L140 encePairwiseOnDemand]: 77/97 looper letters, 1085 selfloop transitions, 245 changer transitions 0/1453 dead transitions.
[2023-11-30 07:23:02,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 1453 transitions, 24479 flow
[2023-11-30 07:23:02,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states.
[2023-11-30 07:23:02,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states.
[2023-11-30 07:23:02,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 2236 transitions.
[2023-11-30 07:23:02,563 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6403207331042382
[2023-11-30 07:23:02,563 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 2236 transitions.
[2023-11-30 07:23:02,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 2236 transitions.
[2023-11-30 07:23:02,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:23:02,564 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 2236 transitions.
[2023-11-30 07:23:02,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 62.111111111111114) internal successors, (2236), 36 states have internal predecessors, (2236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:02,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 97.0) internal successors, (3589), 37 states have internal predecessors, (3589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:02,573 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 97.0) internal successors, (3589), 37 states have internal predecessors, (3589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:02,574 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 228 predicate places.
[2023-11-30 07:23:02,574 INFO L500 AbstractCegarLoop]: Abstraction has has 322 places, 1453 transitions, 24479 flow
[2023-11-30 07:23:02,574 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:02,574 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:23:02,574 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:23:02,574 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2023-11-30 07:23:02,575 INFO L425 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:23:02,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:23:02,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1988200293, now seen corresponding path program 3 times
[2023-11-30 07:23:02,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:23:02,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613235221]
[2023-11-30 07:23:02,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:23:02,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:23:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:23:03,185 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:23:03,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:23:03,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613235221]
[2023-11-30 07:23:03,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613235221] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:23:03,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:23:03,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-11-30 07:23:03,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386070627]
[2023-11-30 07:23:03,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:23:03,186 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-30 07:23:03,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:23:03,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-30 07:23:03,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210
[2023-11-30 07:23:03,188 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 97
[2023-11-30 07:23:03,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 322 places, 1453 transitions, 24479 flow. Second operand has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:03,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:23:03,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 97
[2023-11-30 07:23:03,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:23:06,646 INFO L124 PetriNetUnfolderBase]: 3691/9645 cut-off events.
[2023-11-30 07:23:06,647 INFO L125 PetriNetUnfolderBase]: For 91902/94349 co-relation queries the response was YES.
[2023-11-30 07:23:06,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 67082 conditions, 9645 events. 3691/9645 cut-off events. For 91902/94349 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 79440 event pairs, 364 based on Foata normal form. 163/8787 useless extension candidates. Maximal degree in co-relation 66379. Up to 4780 conditions per place.
[2023-11-30 07:23:06,729 INFO L140 encePairwiseOnDemand]: 78/97 looper letters, 1381 selfloop transitions, 359 changer transitions 0/1860 dead transitions.
[2023-11-30 07:23:06,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 1860 transitions, 34343 flow
[2023-11-30 07:23:06,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states.
[2023-11-30 07:23:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states.
[2023-11-30 07:23:06,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 2348 transitions.
[2023-11-30 07:23:06,741 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6370048833423766
[2023-11-30 07:23:06,742 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 2348 transitions.
[2023-11-30 07:23:06,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 2348 transitions.
[2023-11-30 07:23:06,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:23:06,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 2348 transitions.
[2023-11-30 07:23:06,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 61.78947368421053) internal successors, (2348), 38 states have internal predecessors, (2348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:06,757 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 97.0) internal successors, (3783), 39 states have internal predecessors, (3783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:06,758 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 97.0) internal successors, (3783), 39 states have internal predecessors, (3783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:06,758 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 265 predicate places.
[2023-11-30 07:23:06,758 INFO L500 AbstractCegarLoop]: Abstraction has has 359 places, 1860 transitions, 34343 flow
[2023-11-30 07:23:06,759 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:06,759 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:23:06,759 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:23:06,759 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2023-11-30 07:23:06,759 INFO L425 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:23:06,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:23:06,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1350209729, now seen corresponding path program 2 times
[2023-11-30 07:23:06,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:23:06,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943136107]
[2023-11-30 07:23:06,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:23:06,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:23:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:23:07,208 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:23:07,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:23:07,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943136107]
[2023-11-30 07:23:07,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943136107] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:23:07,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:23:07,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-11-30 07:23:07,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119232287]
[2023-11-30 07:23:07,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:23:07,209 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-30 07:23:07,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:23:07,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-30 07:23:07,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210
[2023-11-30 07:23:07,210 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 97
[2023-11-30 07:23:07,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 1860 transitions, 34343 flow. Second operand has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:07,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:23:07,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 97
[2023-11-30 07:23:07,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:23:11,431 INFO L124 PetriNetUnfolderBase]: 4307/11211 cut-off events.
[2023-11-30 07:23:11,431 INFO L125 PetriNetUnfolderBase]: For 121278/124598 co-relation queries the response was YES.
[2023-11-30 07:23:11,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 86595 conditions, 11211 events. 4307/11211 cut-off events. For 121278/124598 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 95393 event pairs, 511 based on Foata normal form. 135/10143 useless extension candidates. Maximal degree in co-relation 85874. Up to 5695 conditions per place.
[2023-11-30 07:23:11,548 INFO L140 encePairwiseOnDemand]: 77/97 looper letters, 1874 selfloop transitions, 358 changer transitions 0/2359 dead transitions.
[2023-11-30 07:23:11,549 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 2359 transitions, 47681 flow
[2023-11-30 07:23:11,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states.
[2023-11-30 07:23:11,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states.
[2023-11-30 07:23:11,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 2504 transitions.
[2023-11-30 07:23:11,554 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6296203168217249
[2023-11-30 07:23:11,554 INFO L72 ComplementDD]: Start complementDD. Operand 41 states and 2504 transitions.
[2023-11-30 07:23:11,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 2504 transitions.
[2023-11-30 07:23:11,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:23:11,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 41 states and 2504 transitions.
[2023-11-30 07:23:11,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 42 states, 41 states have (on average 61.073170731707314) internal successors, (2504), 41 states have internal predecessors, (2504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:11,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 42 states, 42 states have (on average 97.0) internal successors, (4074), 42 states have internal predecessors, (4074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:11,564 INFO L81 ComplementDD]: Finished complementDD. Result has 42 states, 42 states have (on average 97.0) internal successors, (4074), 42 states have internal predecessors, (4074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:11,564 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 305 predicate places.
[2023-11-30 07:23:11,565 INFO L500 AbstractCegarLoop]: Abstraction has has 399 places, 2359 transitions, 47681 flow
[2023-11-30 07:23:11,565 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:11,565 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:23:11,565 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:23:11,565 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2023-11-30 07:23:11,565 INFO L425 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:23:11,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:23:11,566 INFO L85 PathProgramCache]: Analyzing trace with hash 766676191, now seen corresponding path program 3 times
[2023-11-30 07:23:11,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:23:11,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362130997]
[2023-11-30 07:23:11,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:23:11,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:23:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:23:12,137 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:23:12,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:23:12,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362130997]
[2023-11-30 07:23:12,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362130997] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:23:12,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:23:12,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-11-30 07:23:12,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894854511]
[2023-11-30 07:23:12,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:23:12,139 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-30 07:23:12,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:23:12,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-30 07:23:12,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210
[2023-11-30 07:23:12,140 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 97
[2023-11-30 07:23:12,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 399 places, 2359 transitions, 47681 flow. Second operand has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:12,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:23:12,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 97
[2023-11-30 07:23:12,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:23:17,247 INFO L124 PetriNetUnfolderBase]: 4738/12357 cut-off events.
[2023-11-30 07:23:17,248 INFO L125 PetriNetUnfolderBase]: For 150160/154180 co-relation queries the response was YES.
[2023-11-30 07:23:17,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104031 conditions, 12357 events. 4738/12357 cut-off events. For 150160/154180 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 107549 event pairs, 448 based on Foata normal form. 188/11238 useless extension candidates. Maximal degree in co-relation 103292. Up to 6390 conditions per place.
[2023-11-30 07:23:17,361 INFO L140 encePairwiseOnDemand]: 78/97 looper letters, 2124 selfloop transitions, 409 changer transitions 0/2660 dead transitions.
[2023-11-30 07:23:17,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 433 places, 2660 transitions, 58971 flow
[2023-11-30 07:23:17,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states.
[2023-11-30 07:23:17,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states.
[2023-11-30 07:23:17,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 2141 transitions.
[2023-11-30 07:23:17,365 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6306332842415316
[2023-11-30 07:23:17,365 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 2141 transitions.
[2023-11-30 07:23:17,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 2141 transitions.
[2023-11-30 07:23:17,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:23:17,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 2141 transitions.
[2023-11-30 07:23:17,369 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 61.17142857142857) internal successors, (2141), 35 states have internal predecessors, (2141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:17,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 97.0) internal successors, (3492), 36 states have internal predecessors, (3492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:17,373 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 97.0) internal successors, (3492), 36 states have internal predecessors, (3492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:17,373 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 339 predicate places.
[2023-11-30 07:23:17,373 INFO L500 AbstractCegarLoop]: Abstraction has has 433 places, 2660 transitions, 58971 flow
[2023-11-30 07:23:17,374 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:17,374 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:23:17,374 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:23:17,374 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2023-11-30 07:23:17,374 INFO L425 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:23:17,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:23:17,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1526621121, now seen corresponding path program 4 times
[2023-11-30 07:23:17,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:23:17,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684258622]
[2023-11-30 07:23:17,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:23:17,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:23:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:23:17,754 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:23:17,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:23:17,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684258622]
[2023-11-30 07:23:17,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684258622] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:23:17,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:23:17,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-11-30 07:23:17,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673960662]
[2023-11-30 07:23:17,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:23:17,755 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-30 07:23:17,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:23:17,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-30 07:23:17,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210
[2023-11-30 07:23:17,756 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 97
[2023-11-30 07:23:17,757 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 433 places, 2660 transitions, 58971 flow. Second operand has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:17,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:23:17,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 97
[2023-11-30 07:23:17,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:23:23,992 INFO L124 PetriNetUnfolderBase]: 5123/13243 cut-off events.
[2023-11-30 07:23:23,993 INFO L125 PetriNetUnfolderBase]: For 178592/183024 co-relation queries the response was YES.
[2023-11-30 07:23:24,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122090 conditions, 13243 events. 5123/13243 cut-off events. For 178592/183024 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 117017 event pairs, 523 based on Foata normal form. 280/12110 useless extension candidates. Maximal degree in co-relation 121333. Up to 7068 conditions per place.
[2023-11-30 07:23:24,097 INFO L140 encePairwiseOnDemand]: 78/97 looper letters, 2456 selfloop transitions, 531 changer transitions 0/3114 dead transitions.
[2023-11-30 07:23:24,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 465 places, 3114 transitions, 74917 flow
[2023-11-30 07:23:24,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2023-11-30 07:23:24,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states.
[2023-11-30 07:23:24,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 2086 transitions.
[2023-11-30 07:23:24,100 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6516713527022805
[2023-11-30 07:23:24,100 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 2086 transitions.
[2023-11-30 07:23:24,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 2086 transitions.
[2023-11-30 07:23:24,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:23:24,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 2086 transitions.
[2023-11-30 07:23:24,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 63.21212121212121) internal successors, (2086), 33 states have internal predecessors, (2086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:24,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 97.0) internal successors, (3298), 34 states have internal predecessors, (3298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:24,107 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 97.0) internal successors, (3298), 34 states have internal predecessors, (3298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:24,108 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 371 predicate places.
[2023-11-30 07:23:24,108 INFO L500 AbstractCegarLoop]: Abstraction has has 465 places, 3114 transitions, 74917 flow
[2023-11-30 07:23:24,108 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:24,108 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:23:24,108 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:23:24,108 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2023-11-30 07:23:24,108 INFO L425 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:23:24,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:23:24,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1044041111, now seen corresponding path program 4 times
[2023-11-30 07:23:24,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:23:24,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492103233]
[2023-11-30 07:23:24,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:23:24,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:23:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:23:24,481 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:23:24,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:23:24,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492103233]
[2023-11-30 07:23:24,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492103233] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:23:24,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:23:24,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-11-30 07:23:24,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452546698]
[2023-11-30 07:23:24,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:23:24,482 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-30 07:23:24,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:23:24,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-30 07:23:24,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210
[2023-11-30 07:23:24,483 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 97
[2023-11-30 07:23:24,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 465 places, 3114 transitions, 74917 flow. Second operand has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:24,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:23:24,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 97
[2023-11-30 07:23:24,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:23:32,258 INFO L124 PetriNetUnfolderBase]: 5791/14889 cut-off events.
[2023-11-30 07:23:32,258 INFO L125 PetriNetUnfolderBase]: For 225047/232498 co-relation queries the response was YES.
[2023-11-30 07:23:32,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147985 conditions, 14889 events. 5791/14889 cut-off events. For 225047/232498 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 134432 event pairs, 518 based on Foata normal form. 143/13432 useless extension candidates. Maximal degree in co-relation 147210. Up to 8595 conditions per place.
[2023-11-30 07:23:32,388 INFO L140 encePairwiseOnDemand]: 78/97 looper letters, 3197 selfloop transitions, 291 changer transitions 0/3615 dead transitions.
[2023-11-30 07:23:32,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 493 places, 3615 transitions, 93735 flow
[2023-11-30 07:23:32,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states.
[2023-11-30 07:23:32,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states.
[2023-11-30 07:23:32,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 1782 transitions.
[2023-11-30 07:23:32,391 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6334873800213295
[2023-11-30 07:23:32,391 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 1782 transitions.
[2023-11-30 07:23:32,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 1782 transitions.
[2023-11-30 07:23:32,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:23:32,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 1782 transitions.
[2023-11-30 07:23:32,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 61.44827586206897) internal successors, (1782), 29 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:32,396 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 97.0) internal successors, (2910), 30 states have internal predecessors, (2910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:32,397 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 97.0) internal successors, (2910), 30 states have internal predecessors, (2910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:32,397 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 399 predicate places.
[2023-11-30 07:23:32,397 INFO L500 AbstractCegarLoop]: Abstraction has has 493 places, 3615 transitions, 93735 flow
[2023-11-30 07:23:32,398 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:32,398 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:23:32,398 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:23:32,398 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2023-11-30 07:23:32,398 INFO L425 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:23:32,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:23:32,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1345177189, now seen corresponding path program 5 times
[2023-11-30 07:23:32,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:23:32,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120275470]
[2023-11-30 07:23:32,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:23:32,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:23:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:23:32,893 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:23:32,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:23:32,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120275470]
[2023-11-30 07:23:32,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120275470] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:23:32,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:23:32,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-11-30 07:23:32,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129920166]
[2023-11-30 07:23:32,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:23:32,894 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-30 07:23:32,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:23:32,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-30 07:23:32,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210
[2023-11-30 07:23:32,896 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 97
[2023-11-30 07:23:32,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 493 places, 3615 transitions, 93735 flow. Second operand has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:32,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:23:32,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 97
[2023-11-30 07:23:32,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:23:42,775 INFO L124 PetriNetUnfolderBase]: 6279/16125 cut-off events.
[2023-11-30 07:23:42,775 INFO L125 PetriNetUnfolderBase]: For 270336/279014 co-relation queries the response was YES.
[2023-11-30 07:23:42,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172610 conditions, 16125 events. 6279/16125 cut-off events. For 270336/279014 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 148290 event pairs, 565 based on Foata normal form. 285/14699 useless extension candidates. Maximal degree in co-relation 171817. Up to 9454 conditions per place.
[2023-11-30 07:23:42,912 INFO L140 encePairwiseOnDemand]: 78/97 looper letters, 3417 selfloop transitions, 558 changer transitions 0/4102 dead transitions.
[2023-11-30 07:23:42,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 531 places, 4102 transitions, 113995 flow
[2023-11-30 07:23:42,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states.
[2023-11-30 07:23:42,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states.
[2023-11-30 07:23:42,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 2374 transitions.
[2023-11-30 07:23:42,915 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6275442770288131
[2023-11-30 07:23:42,915 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 2374 transitions.
[2023-11-30 07:23:42,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 2374 transitions.
[2023-11-30 07:23:42,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:23:42,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 2374 transitions.
[2023-11-30 07:23:42,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 60.87179487179487) internal successors, (2374), 39 states have internal predecessors, (2374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:42,922 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 97.0) internal successors, (3880), 40 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:42,922 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 97.0) internal successors, (3880), 40 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:42,923 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 437 predicate places.
[2023-11-30 07:23:42,923 INFO L500 AbstractCegarLoop]: Abstraction has has 531 places, 4102 transitions, 113995 flow
[2023-11-30 07:23:42,923 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:42,923 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:23:42,923 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:23:42,923 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2023-11-30 07:23:42,924 INFO L425 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:23:42,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:23:42,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1539200281, now seen corresponding path program 6 times
[2023-11-30 07:23:42,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:23:42,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48633194]
[2023-11-30 07:23:42,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:23:42,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:23:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:23:43,279 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:23:43,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:23:43,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48633194]
[2023-11-30 07:23:43,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48633194] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:23:43,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:23:43,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-11-30 07:23:43,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561096231]
[2023-11-30 07:23:43,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:23:43,281 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-30 07:23:43,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:23:43,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-30 07:23:43,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210
[2023-11-30 07:23:43,284 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 97
[2023-11-30 07:23:43,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 531 places, 4102 transitions, 113995 flow. Second operand has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:43,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:23:43,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 97
[2023-11-30 07:23:43,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:23:56,799 INFO L124 PetriNetUnfolderBase]: 7341/18653 cut-off events.
[2023-11-30 07:23:56,800 INFO L125 PetriNetUnfolderBase]: For 347760/360335 co-relation queries the response was YES.
[2023-11-30 07:23:56,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214963 conditions, 18653 events. 7341/18653 cut-off events. For 347760/360335 co-relation queries the response was YES. Maximal size of possible extension queue 357. Compared 174803 event pairs, 340 based on Foata normal form. 564/17285 useless extension candidates. Maximal degree in co-relation 214152. Up to 11250 conditions per place.
[2023-11-30 07:23:56,987 INFO L140 encePairwiseOnDemand]: 79/97 looper letters, 3860 selfloop transitions, 1007 changer transitions 0/4994 dead transitions.
[2023-11-30 07:23:56,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 4994 transitions, 148767 flow
[2023-11-30 07:23:56,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states.
[2023-11-30 07:23:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states.
[2023-11-30 07:23:56,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 2380 transitions.
[2023-11-30 07:23:56,990 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6291303198519693
[2023-11-30 07:23:56,990 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 2380 transitions.
[2023-11-30 07:23:56,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 2380 transitions.
[2023-11-30 07:23:56,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:23:56,991 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 2380 transitions.
[2023-11-30 07:23:56,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 61.02564102564103) internal successors, (2380), 39 states have internal predecessors, (2380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:56,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 97.0) internal successors, (3880), 40 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:56,998 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 97.0) internal successors, (3880), 40 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:56,998 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 475 predicate places.
[2023-11-30 07:23:56,998 INFO L500 AbstractCegarLoop]: Abstraction has has 569 places, 4994 transitions, 148767 flow
[2023-11-30 07:23:56,998 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:56,998 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:23:56,999 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:23:56,999 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2023-11-30 07:23:56,999 INFO L425 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:23:56,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:23:56,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1599453313, now seen corresponding path program 5 times
[2023-11-30 07:23:56,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:23:56,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466470017]
[2023-11-30 07:23:56,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:23:57,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:23:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:23:57,522 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:23:57,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:23:57,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466470017]
[2023-11-30 07:23:57,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466470017] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:23:57,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:23:57,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-11-30 07:23:57,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870800082]
[2023-11-30 07:23:57,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:23:57,523 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-30 07:23:57,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:23:57,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-30 07:23:57,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210
[2023-11-30 07:23:57,525 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 97
[2023-11-30 07:23:57,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 569 places, 4994 transitions, 148767 flow. Second operand has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:23:57,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:23:57,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 97
[2023-11-30 07:23:57,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:24:16,599 INFO L124 PetriNetUnfolderBase]: 8323/21106 cut-off events.
[2023-11-30 07:24:16,599 INFO L125 PetriNetUnfolderBase]: For 424795/435629 co-relation queries the response was YES.
[2023-11-30 07:24:16,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259574 conditions, 21106 events. 8323/21106 cut-off events. For 424795/435629 co-relation queries the response was YES. Maximal size of possible extension queue 394. Compared 201744 event pairs, 363 based on Foata normal form. 140/19125 useless extension candidates. Maximal degree in co-relation 258745. Up to 12849 conditions per place.
[2023-11-30 07:24:16,824 INFO L140 encePairwiseOnDemand]: 77/97 looper letters, 5201 selfloop transitions, 484 changer transitions 0/5822 dead transitions.
[2023-11-30 07:24:16,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 606 places, 5822 transitions, 185061 flow
[2023-11-30 07:24:16,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states.
[2023-11-30 07:24:16,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states.
[2023-11-30 07:24:16,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 2344 transitions.
[2023-11-30 07:24:16,827 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6359196961475855
[2023-11-30 07:24:16,827 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 2344 transitions.
[2023-11-30 07:24:16,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 2344 transitions.
[2023-11-30 07:24:16,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:24:16,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 2344 transitions.
[2023-11-30 07:24:16,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 61.68421052631579) internal successors, (2344), 38 states have internal predecessors, (2344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:24:16,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 97.0) internal successors, (3783), 39 states have internal predecessors, (3783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:24:16,834 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 97.0) internal successors, (3783), 39 states have internal predecessors, (3783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:24:16,834 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 512 predicate places.
[2023-11-30 07:24:16,834 INFO L500 AbstractCegarLoop]: Abstraction has has 606 places, 5822 transitions, 185061 flow
[2023-11-30 07:24:16,835 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:24:16,835 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:24:16,835 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:24:16,835 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2023-11-30 07:24:16,835 INFO L425 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:24:16,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:24:16,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1070328613, now seen corresponding path program 6 times
[2023-11-30 07:24:16,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:24:16,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898189653]
[2023-11-30 07:24:16,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:24:16,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:24:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:24:17,163 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:24:17,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:24:17,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898189653]
[2023-11-30 07:24:17,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898189653] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:24:17,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:24:17,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-11-30 07:24:17,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686525888]
[2023-11-30 07:24:17,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:24:17,164 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-30 07:24:17,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:24:17,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-30 07:24:17,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210
[2023-11-30 07:24:17,165 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 97
[2023-11-30 07:24:17,166 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 606 places, 5822 transitions, 185061 flow. Second operand has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:24:17,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:24:17,166 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 97
[2023-11-30 07:24:17,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:24:42,715 INFO L124 PetriNetUnfolderBase]: 8831/22330 cut-off events.
[2023-11-30 07:24:42,715 INFO L125 PetriNetUnfolderBase]: For 497028/511334 co-relation queries the response was YES.
[2023-11-30 07:24:42,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291531 conditions, 22330 events. 8831/22330 cut-off events. For 497028/511334 co-relation queries the response was YES. Maximal size of possible extension queue 427. Compared 215485 event pairs, 369 based on Foata normal form. 205/20301 useless extension candidates. Maximal degree in co-relation 290684. Up to 13721 conditions per place.
[2023-11-30 07:24:43,039 INFO L140 encePairwiseOnDemand]: 78/97 looper letters, 5574 selfloop transitions, 553 changer transitions 0/6264 dead transitions.
[2023-11-30 07:24:43,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 637 places, 6264 transitions, 211543 flow
[2023-11-30 07:24:43,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2023-11-30 07:24:43,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states.
[2023-11-30 07:24:43,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 1981 transitions.
[2023-11-30 07:24:43,053 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6382087628865979
[2023-11-30 07:24:43,053 INFO L72 ComplementDD]: Start complementDD. Operand 32 states and 1981 transitions.
[2023-11-30 07:24:43,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 1981 transitions.
[2023-11-30 07:24:43,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:24:43,068 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 32 states and 1981 transitions.
[2023-11-30 07:24:43,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 33 states, 32 states have (on average 61.90625) internal successors, (1981), 32 states have internal predecessors, (1981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:24:43,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 33 states, 33 states have (on average 97.0) internal successors, (3201), 33 states have internal predecessors, (3201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:24:43,074 INFO L81 ComplementDD]: Finished complementDD. Result has 33 states, 33 states have (on average 97.0) internal successors, (3201), 33 states have internal predecessors, (3201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:24:43,074 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 543 predicate places.
[2023-11-30 07:24:43,074 INFO L500 AbstractCegarLoop]: Abstraction has has 637 places, 6264 transitions, 211543 flow
[2023-11-30 07:24:43,074 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:24:43,075 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:24:43,075 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:24:43,075 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2023-11-30 07:24:43,075 INFO L425 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:24:43,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:24:43,075 INFO L85 PathProgramCache]: Analyzing trace with hash -412223103, now seen corresponding path program 7 times
[2023-11-30 07:24:43,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:24:43,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868570657]
[2023-11-30 07:24:43,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:24:43,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:24:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:24:43,430 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:24:43,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:24:43,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868570657]
[2023-11-30 07:24:43,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868570657] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:24:43,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:24:43,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-11-30 07:24:43,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800753332]
[2023-11-30 07:24:43,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:24:43,431 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-30 07:24:43,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:24:43,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-30 07:24:43,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210
[2023-11-30 07:24:43,432 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 97
[2023-11-30 07:24:43,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 637 places, 6264 transitions, 211543 flow. Second operand has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:24:43,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:24:43,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 97
[2023-11-30 07:24:43,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:25:13,688 INFO L124 PetriNetUnfolderBase]: 9308/23516 cut-off events.
[2023-11-30 07:25:13,688 INFO L125 PetriNetUnfolderBase]: For 578247/596391 co-relation queries the response was YES.
[2023-11-30 07:25:13,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324734 conditions, 23516 events. 9308/23516 cut-off events. For 578247/596391 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 229124 event pairs, 380 based on Foata normal form. 375/21541 useless extension candidates. Maximal degree in co-relation 323869. Up to 14564 conditions per place.
[2023-11-30 07:25:13,999 INFO L140 encePairwiseOnDemand]: 78/97 looper letters, 5557 selfloop transitions, 974 changer transitions 0/6668 dead transitions.
[2023-11-30 07:25:13,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 674 places, 6668 transitions, 238393 flow
[2023-11-30 07:25:14,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states.
[2023-11-30 07:25:14,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states.
[2023-11-30 07:25:14,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 2373 transitions.
[2023-11-30 07:25:14,002 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6437873033098209
[2023-11-30 07:25:14,002 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 2373 transitions.
[2023-11-30 07:25:14,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 2373 transitions.
[2023-11-30 07:25:14,002 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:25:14,003 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 2373 transitions.
[2023-11-30 07:25:14,005 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 62.44736842105263) internal successors, (2373), 38 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:25:14,008 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 97.0) internal successors, (3783), 39 states have internal predecessors, (3783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:25:14,008 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 97.0) internal successors, (3783), 39 states have internal predecessors, (3783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:25:14,009 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 580 predicate places.
[2023-11-30 07:25:14,009 INFO L500 AbstractCegarLoop]: Abstraction has has 674 places, 6668 transitions, 238393 flow
[2023-11-30 07:25:14,009 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:25:14,009 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:25:14,009 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:25:14,009 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24
[2023-11-30 07:25:14,009 INFO L425 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:25:14,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:25:14,010 INFO L85 PathProgramCache]: Analyzing trace with hash -2008361825, now seen corresponding path program 8 times
[2023-11-30 07:25:14,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:25:14,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477646143]
[2023-11-30 07:25:14,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:25:14,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:25:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:25:14,556 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:25:14,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:25:14,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477646143]
[2023-11-30 07:25:14,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477646143] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:25:14,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:25:14,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-11-30 07:25:14,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118866522]
[2023-11-30 07:25:14,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:25:14,557 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-30 07:25:14,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:25:14,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-30 07:25:14,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210
[2023-11-30 07:25:14,558 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 97
[2023-11-30 07:25:14,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 674 places, 6668 transitions, 238393 flow. Second operand has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:25:14,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:25:14,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 97
[2023-11-30 07:25:14,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:25:52,316 INFO L124 PetriNetUnfolderBase]: 10208/25743 cut-off events.
[2023-11-30 07:25:52,316 INFO L125 PetriNetUnfolderBase]: For 695459/716545 co-relation queries the response was YES.
[2023-11-30 07:25:52,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 375058 conditions, 25743 events. 10208/25743 cut-off events. For 695459/716545 co-relation queries the response was YES. Maximal size of possible extension queue 492. Compared 254614 event pairs, 400 based on Foata normal form. 156/23374 useless extension candidates. Maximal degree in co-relation 374175. Up to 16094 conditions per place.
[2023-11-30 07:25:52,605 INFO L140 encePairwiseOnDemand]: 78/97 looper letters, 6756 selfloop transitions, 518 changer transitions 0/7411 dead transitions.
[2023-11-30 07:25:52,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 702 places, 7411 transitions, 279741 flow
[2023-11-30 07:25:52,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states.
[2023-11-30 07:25:52,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states.
[2023-11-30 07:25:52,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 1802 transitions.
[2023-11-30 07:25:52,607 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6405972271596161
[2023-11-30 07:25:52,607 INFO L72 ComplementDD]: Start complementDD. Operand 29 states and 1802 transitions.
[2023-11-30 07:25:52,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 1802 transitions.
[2023-11-30 07:25:52,607 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:25:52,607 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 29 states and 1802 transitions.
[2023-11-30 07:25:52,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 29 states have (on average 62.13793103448276) internal successors, (1802), 29 states have internal predecessors, (1802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:25:52,611 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 30 states, 30 states have (on average 97.0) internal successors, (2910), 30 states have internal predecessors, (2910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:25:52,611 INFO L81 ComplementDD]: Finished complementDD. Result has 30 states, 30 states have (on average 97.0) internal successors, (2910), 30 states have internal predecessors, (2910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:25:52,612 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 608 predicate places.
[2023-11-30 07:25:52,612 INFO L500 AbstractCegarLoop]: Abstraction has has 702 places, 7411 transitions, 279741 flow
[2023-11-30 07:25:52,612 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:25:52,612 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:25:52,612 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:25:52,612 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25
[2023-11-30 07:25:52,613 INFO L425 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:25:52,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:25:52,613 INFO L85 PathProgramCache]: Analyzing trace with hash -965369731, now seen corresponding path program 9 times
[2023-11-30 07:25:52,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:25:52,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783694819]
[2023-11-30 07:25:52,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:25:52,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:25:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:25:52,907 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:25:52,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:25:52,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783694819]
[2023-11-30 07:25:52,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783694819] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:25:52,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:25:52,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-11-30 07:25:52,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052683290]
[2023-11-30 07:25:52,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:25:52,907 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-30 07:25:52,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:25:52,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-30 07:25:52,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210
[2023-11-30 07:25:52,909 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 97
[2023-11-30 07:25:52,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 7411 transitions, 279741 flow. Second operand has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:25:52,909 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:25:52,909 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 97
[2023-11-30 07:25:52,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:26:38,823 INFO L124 PetriNetUnfolderBase]: 10706/26981 cut-off events.
[2023-11-30 07:26:38,823 INFO L125 PetriNetUnfolderBase]: For 798945/824340 co-relation queries the response was YES.
[2023-11-30 07:26:38,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413444 conditions, 26981 events. 10706/26981 cut-off events. For 798945/824340 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 268790 event pairs, 413 based on Foata normal form. 375/24709 useless extension candidates. Maximal degree in co-relation 412543. Up to 16968 conditions per place.
[2023-11-30 07:26:39,173 INFO L140 encePairwiseOnDemand]: 78/97 looper letters, 6632 selfloop transitions, 1049 changer transitions 0/7818 dead transitions.
[2023-11-30 07:26:39,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 740 places, 7818 transitions, 310613 flow
[2023-11-30 07:26:39,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states.
[2023-11-30 07:26:39,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states.
[2023-11-30 07:26:39,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 2400 transitions.
[2023-11-30 07:26:39,176 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.63441712926249
[2023-11-30 07:26:39,176 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 2400 transitions.
[2023-11-30 07:26:39,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 2400 transitions.
[2023-11-30 07:26:39,176 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:26:39,176 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 2400 transitions.
[2023-11-30 07:26:39,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 61.53846153846154) internal successors, (2400), 39 states have internal predecessors, (2400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:26:39,181 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 97.0) internal successors, (3880), 40 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:26:39,182 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 97.0) internal successors, (3880), 40 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:26:39,182 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 646 predicate places.
[2023-11-30 07:26:39,182 INFO L500 AbstractCegarLoop]: Abstraction has has 740 places, 7818 transitions, 310613 flow
[2023-11-30 07:26:39,182 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:26:39,182 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:26:39,183 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:26:39,183 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26
[2023-11-30 07:26:39,183 INFO L425 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:26:39,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:26:39,183 INFO L85 PathProgramCache]: Analyzing trace with hash -153472657, now seen corresponding path program 10 times
[2023-11-30 07:26:39,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:26:39,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981524503]
[2023-11-30 07:26:39,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:26:39,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:26:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:26:39,517 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:26:39,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:26:39,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981524503]
[2023-11-30 07:26:39,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981524503] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:26:39,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:26:39,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2023-11-30 07:26:39,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494568464]
[2023-11-30 07:26:39,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:26:39,518 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2023-11-30 07:26:39,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:26:39,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2023-11-30 07:26:39,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210
[2023-11-30 07:26:39,519 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 97
[2023-11-30 07:26:39,520 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 740 places, 7818 transitions, 310613 flow. Second operand has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:26:39,520 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:26:39,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 97
[2023-11-30 07:26:39,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:27:39,921 INFO L124 PetriNetUnfolderBase]: 11646/29279 cut-off events.
[2023-11-30 07:27:39,921 INFO L125 PetriNetUnfolderBase]: For 955224/988036 co-relation queries the response was YES.
[2023-11-30 07:27:40,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469771 conditions, 29279 events. 11646/29279 cut-off events. For 955224/988036 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 294192 event pairs, 343 based on Foata normal form. 1030/27532 useless extension candidates. Maximal degree in co-relation 468852. Up to 18412 conditions per place.
[2023-11-30 07:27:40,325 INFO L140 encePairwiseOnDemand]: 79/97 looper letters, 6720 selfloop transitions, 1958 changer transitions 0/8815 dead transitions.
[2023-11-30 07:27:40,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 778 places, 8815 transitions, 367965 flow
[2023-11-30 07:27:40,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states.
[2023-11-30 07:27:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states.
[2023-11-30 07:27:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 2402 transitions.
[2023-11-30 07:27:40,327 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6349458102035421
[2023-11-30 07:27:40,327 INFO L72 ComplementDD]: Start complementDD. Operand 39 states and 2402 transitions.
[2023-11-30 07:27:40,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 2402 transitions.
[2023-11-30 07:27:40,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:27:40,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 39 states and 2402 transitions.
[2023-11-30 07:27:40,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 40 states, 39 states have (on average 61.58974358974359) internal successors, (2402), 39 states have internal predecessors, (2402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:27:40,332 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 40 states, 40 states have (on average 97.0) internal successors, (3880), 40 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:27:40,333 INFO L81 ComplementDD]: Finished complementDD. Result has 40 states, 40 states have (on average 97.0) internal successors, (3880), 40 states have internal predecessors, (3880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:27:40,333 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 684 predicate places.
[2023-11-30 07:27:40,333 INFO L500 AbstractCegarLoop]: Abstraction has has 778 places, 8815 transitions, 367965 flow
[2023-11-30 07:27:40,333 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 53.6) internal successors, (804), 15 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:27:40,334 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:27:40,334 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:27:40,334 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27
[2023-11-30 07:27:40,334 INFO L425 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:27:40,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:27:40,334 INFO L85 PathProgramCache]: Analyzing trace with hash 397064885, now seen corresponding path program 1 times
[2023-11-30 07:27:40,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:27:40,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37323613]
[2023-11-30 07:27:40,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:27:40,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:27:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:27:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:27:40,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:27:40,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37323613]
[2023-11-30 07:27:40,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37323613] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:27:40,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:27:40,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15
[2023-11-30 07:27:40,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784473517]
[2023-11-30 07:27:40,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:27:40,709 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2023-11-30 07:27:40,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:27:40,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2023-11-30 07:27:40,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240
[2023-11-30 07:27:40,710 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 97
[2023-11-30 07:27:40,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 778 places, 8815 transitions, 367965 flow. Second operand has 16 states, 16 states have (on average 52.5625) internal successors, (841), 16 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:27:40,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:27:40,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 97
[2023-11-30 07:27:40,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:28:52,829 INFO L124 PetriNetUnfolderBase]: 12157/30433 cut-off events.
[2023-11-30 07:28:52,830 INFO L125 PetriNetUnfolderBase]: For 1035607/1061872 co-relation queries the response was YES.
[2023-11-30 07:28:52,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 509886 conditions, 30433 events. 12157/30433 cut-off events. For 1035607/1061872 co-relation queries the response was YES. Maximal size of possible extension queue 531. Compared 306553 event pairs, 362 based on Foata normal form. 189/27749 useless extension candidates. Maximal degree in co-relation 508949. Up to 20431 conditions per place.
[2023-11-30 07:28:53,262 INFO L140 encePairwiseOnDemand]: 78/97 looper letters, 8755 selfloop transitions, 482 changer transitions 0/9352 dead transitions.
[2023-11-30 07:28:53,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 810 places, 9352 transitions, 407929 flow
[2023-11-30 07:28:53,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states.
[2023-11-30 07:28:53,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states.
[2023-11-30 07:28:53,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 1987 transitions.
[2023-11-30 07:28:53,264 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6207435176507341
[2023-11-30 07:28:53,264 INFO L72 ComplementDD]: Start complementDD. Operand 33 states and 1987 transitions.
[2023-11-30 07:28:53,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 1987 transitions.
[2023-11-30 07:28:53,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:28:53,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 33 states and 1987 transitions.
[2023-11-30 07:28:53,266 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 34 states, 33 states have (on average 60.21212121212121) internal successors, (1987), 33 states have internal predecessors, (1987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:28:53,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 34 states, 34 states have (on average 97.0) internal successors, (3298), 34 states have internal predecessors, (3298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:28:53,268 INFO L81 ComplementDD]: Finished complementDD. Result has 34 states, 34 states have (on average 97.0) internal successors, (3298), 34 states have internal predecessors, (3298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:28:53,269 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 716 predicate places.
[2023-11-30 07:28:53,269 INFO L500 AbstractCegarLoop]: Abstraction has has 810 places, 9352 transitions, 407929 flow
[2023-11-30 07:28:53,269 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 52.5625) internal successors, (841), 16 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:28:53,270 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:28:53,270 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:28:53,270 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2023-11-30 07:28:53,270 INFO L425 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:28:53,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:28:53,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1493395842, now seen corresponding path program 1 times
[2023-11-30 07:28:53,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:28:53,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028236250]
[2023-11-30 07:28:53,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:28:53,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:28:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:28:53,631 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:28:53,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:28:53,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028236250]
[2023-11-30 07:28:53,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028236250] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:28:53,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:28:53,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15
[2023-11-30 07:28:53,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57247391]
[2023-11-30 07:28:53,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:28:53,632 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2023-11-30 07:28:53,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:28:53,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2023-11-30 07:28:53,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240
[2023-11-30 07:28:53,633 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 97
[2023-11-30 07:28:53,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 810 places, 9352 transitions, 407929 flow. Second operand has 16 states, 16 states have (on average 52.5625) internal successors, (841), 16 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:28:53,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:28:53,633 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 97
[2023-11-30 07:28:53,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:30:17,238 INFO L124 PetriNetUnfolderBase]: 12097/30287 cut-off events.
[2023-11-30 07:30:17,238 INFO L125 PetriNetUnfolderBase]: For 1108849/1139609 co-relation queries the response was YES.
[2023-11-30 07:30:17,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531077 conditions, 30287 events. 12097/30287 cut-off events. For 1108849/1139609 co-relation queries the response was YES. Maximal size of possible extension queue 529. Compared 304740 event pairs, 338 based on Foata normal form. 325/27813 useless extension candidates. Maximal degree in co-relation 530122. Up to 20328 conditions per place.
[2023-11-30 07:30:17,759 INFO L140 encePairwiseOnDemand]: 78/97 looper letters, 8733 selfloop transitions, 620 changer transitions 0/9468 dead transitions.
[2023-11-30 07:30:17,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 844 places, 9468 transitions, 430581 flow
[2023-11-30 07:30:17,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states.
[2023-11-30 07:30:17,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states.
[2023-11-30 07:30:17,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 2120 transitions.
[2023-11-30 07:30:17,761 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6244477172312224
[2023-11-30 07:30:17,761 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 2120 transitions.
[2023-11-30 07:30:17,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 2120 transitions.
[2023-11-30 07:30:17,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:30:17,761 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 2120 transitions.
[2023-11-30 07:30:17,763 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 60.57142857142857) internal successors, (2120), 35 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:30:17,764 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 97.0) internal successors, (3492), 36 states have internal predecessors, (3492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:30:17,764 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 97.0) internal successors, (3492), 36 states have internal predecessors, (3492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:30:17,765 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 750 predicate places.
[2023-11-30 07:30:17,765 INFO L500 AbstractCegarLoop]: Abstraction has has 844 places, 9468 transitions, 430581 flow
[2023-11-30 07:30:17,765 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 52.5625) internal successors, (841), 16 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:30:17,765 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:30:17,765 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:30:17,765 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29
[2023-11-30 07:30:17,765 INFO L425 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:30:17,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:30:17,766 INFO L85 PathProgramCache]: Analyzing trace with hash -845396339, now seen corresponding path program 2 times
[2023-11-30 07:30:17,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:30:17,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700165687]
[2023-11-30 07:30:17,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:30:17,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:30:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:30:18,123 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:30:18,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:30:18,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700165687]
[2023-11-30 07:30:18,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700165687] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:30:18,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:30:18,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15
[2023-11-30 07:30:18,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586706284]
[2023-11-30 07:30:18,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:30:18,124 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2023-11-30 07:30:18,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:30:18,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2023-11-30 07:30:18,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240
[2023-11-30 07:30:18,125 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 97
[2023-11-30 07:30:18,126 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 844 places, 9468 transitions, 430581 flow. Second operand has 16 states, 16 states have (on average 52.5625) internal successors, (841), 16 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:30:18,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:30:18,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 97
[2023-11-30 07:30:18,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:31:47,438 INFO L124 PetriNetUnfolderBase]: 12070/30165 cut-off events.
[2023-11-30 07:31:47,439 INFO L125 PetriNetUnfolderBase]: For 1186410/1222156 co-relation queries the response was YES.
[2023-11-30 07:31:47,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 552764 conditions, 30165 events. 12070/30165 cut-off events. For 1186410/1222156 co-relation queries the response was YES. Maximal size of possible extension queue 530. Compared 302949 event pairs, 332 based on Foata normal form. 311/27762 useless extension candidates. Maximal degree in co-relation 551791. Up to 20199 conditions per place.
[2023-11-30 07:31:47,874 INFO L140 encePairwiseOnDemand]: 78/97 looper letters, 8616 selfloop transitions, 704 changer transitions 0/9435 dead transitions.
[2023-11-30 07:31:47,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 877 places, 9435 transitions, 447455 flow
[2023-11-30 07:31:47,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states.
[2023-11-30 07:31:47,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states.
[2023-11-30 07:31:47,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 2078 transitions.
[2023-11-30 07:31:47,876 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6120765832106039
[2023-11-30 07:31:47,876 INFO L72 ComplementDD]: Start complementDD. Operand 35 states and 2078 transitions.
[2023-11-30 07:31:47,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 2078 transitions.
[2023-11-30 07:31:47,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:31:47,877 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 35 states and 2078 transitions.
[2023-11-30 07:31:47,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 35 states have (on average 59.371428571428574) internal successors, (2078), 35 states have internal predecessors, (2078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:31:47,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 36 states, 36 states have (on average 97.0) internal successors, (3492), 36 states have internal predecessors, (3492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:31:47,880 INFO L81 ComplementDD]: Finished complementDD. Result has 36 states, 36 states have (on average 97.0) internal successors, (3492), 36 states have internal predecessors, (3492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:31:47,880 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 783 predicate places.
[2023-11-30 07:31:47,880 INFO L500 AbstractCegarLoop]: Abstraction has has 877 places, 9435 transitions, 447455 flow
[2023-11-30 07:31:47,880 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 52.5625) internal successors, (841), 16 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:31:47,880 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:31:47,881 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:31:47,881 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30
[2023-11-30 07:31:47,881 INFO L425 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:31:47,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:31:47,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1504667125, now seen corresponding path program 3 times
[2023-11-30 07:31:47,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:31:47,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453155928]
[2023-11-30 07:31:47,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:31:47,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:31:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:31:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:31:48,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:31:48,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453155928]
[2023-11-30 07:31:48,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453155928] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:31:48,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:31:48,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15
[2023-11-30 07:31:48,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306429148]
[2023-11-30 07:31:48,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:31:48,372 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2023-11-30 07:31:48,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:31:48,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2023-11-30 07:31:48,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240
[2023-11-30 07:31:48,373 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 97
[2023-11-30 07:31:48,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 877 places, 9435 transitions, 447455 flow. Second operand has 16 states, 16 states have (on average 52.5625) internal successors, (841), 16 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:31:48,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:31:48,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 97
[2023-11-30 07:31:48,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:33:23,377 INFO L124 PetriNetUnfolderBase]: 12024/29997 cut-off events.
[2023-11-30 07:33:23,378 INFO L125 PetriNetUnfolderBase]: For 1256642/1296987 co-relation queries the response was YES.
[2023-11-30 07:33:23,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 574785 conditions, 29997 events. 12024/29997 cut-off events. For 1256642/1296987 co-relation queries the response was YES. Maximal size of possible extension queue 524. Compared 300479 event pairs, 329 based on Foata normal form. 363/27694 useless extension candidates. Maximal degree in co-relation 573794. Up to 20142 conditions per place.
[2023-11-30 07:33:24,083 INFO L140 encePairwiseOnDemand]: 79/97 looper letters, 8392 selfloop transitions, 916 changer transitions 0/9423 dead transitions.
[2023-11-30 07:33:24,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 914 places, 9423 transitions, 464983 flow
[2023-11-30 07:33:24,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states.
[2023-11-30 07:33:24,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states.
[2023-11-30 07:33:24,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 2256 transitions.
[2023-11-30 07:33:24,086 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6120455778621813
[2023-11-30 07:33:24,086 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 2256 transitions.
[2023-11-30 07:33:24,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 2256 transitions.
[2023-11-30 07:33:24,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:33:24,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 2256 transitions.
[2023-11-30 07:33:24,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 59.36842105263158) internal successors, (2256), 38 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:33:24,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 97.0) internal successors, (3783), 39 states have internal predecessors, (3783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:33:24,091 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 97.0) internal successors, (3783), 39 states have internal predecessors, (3783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:33:24,092 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 820 predicate places.
[2023-11-30 07:33:24,092 INFO L500 AbstractCegarLoop]: Abstraction has has 914 places, 9423 transitions, 464983 flow
[2023-11-30 07:33:24,092 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 52.5625) internal successors, (841), 16 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:33:24,092 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:33:24,092 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:33:24,092 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2023-11-30 07:33:24,093 INFO L425 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:33:24,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:33:24,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1093171074, now seen corresponding path program 2 times
[2023-11-30 07:33:24,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:33:24,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73667887]
[2023-11-30 07:33:24,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:33:24,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:33:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:33:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:33:24,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:33:24,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73667887]
[2023-11-30 07:33:24,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73667887] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:33:24,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:33:24,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15
[2023-11-30 07:33:24,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183452480]
[2023-11-30 07:33:24,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:33:24,473 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2023-11-30 07:33:24,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:33:24,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2023-11-30 07:33:24,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240
[2023-11-30 07:33:24,474 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 97
[2023-11-30 07:33:24,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 914 places, 9423 transitions, 464983 flow. Second operand has 16 states, 16 states have (on average 52.5625) internal successors, (841), 16 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:33:24,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:33:24,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 97
[2023-11-30 07:33:24,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-30 07:35:07,621 INFO L124 PetriNetUnfolderBase]: 12441/31024 cut-off events.
[2023-11-30 07:35:07,622 INFO L125 PetriNetUnfolderBase]: For 1387080/1430269 co-relation queries the response was YES.
[2023-11-30 07:35:07,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 618491 conditions, 31024 events. 12441/31024 cut-off events. For 1387080/1430269 co-relation queries the response was YES. Maximal size of possible extension queue 550. Compared 312398 event pairs, 324 based on Foata normal form. 308/28608 useless extension candidates. Maximal degree in co-relation 617482. Up to 20848 conditions per place.
[2023-11-30 07:35:08,303 INFO L140 encePairwiseOnDemand]: 78/97 looper letters, 9041 selfloop transitions, 675 changer transitions 0/9831 dead transitions.
[2023-11-30 07:35:08,303 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 949 places, 9831 transitions, 503995 flow
[2023-11-30 07:35:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states.
[2023-11-30 07:35:08,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states.
[2023-11-30 07:35:08,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 2161 transitions.
[2023-11-30 07:35:08,305 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.6188430698739977
[2023-11-30 07:35:08,305 INFO L72 ComplementDD]: Start complementDD. Operand 36 states and 2161 transitions.
[2023-11-30 07:35:08,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 2161 transitions.
[2023-11-30 07:35:08,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-30 07:35:08,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 36 states and 2161 transitions.
[2023-11-30 07:35:08,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 37 states, 36 states have (on average 60.02777777777778) internal successors, (2161), 36 states have internal predecessors, (2161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:35:08,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 37 states, 37 states have (on average 97.0) internal successors, (3589), 37 states have internal predecessors, (3589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:35:08,310 INFO L81 ComplementDD]: Finished complementDD. Result has 37 states, 37 states have (on average 97.0) internal successors, (3589), 37 states have internal predecessors, (3589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:35:08,311 INFO L307 CegarLoopForPetriNet]: 94 programPoint places, 855 predicate places.
[2023-11-30 07:35:08,311 INFO L500 AbstractCegarLoop]: Abstraction has has 949 places, 9831 transitions, 503995 flow
[2023-11-30 07:35:08,311 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 52.5625) internal successors, (841), 16 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:35:08,311 INFO L224 CegarLoopForPetriNet]: Found error trace
[2023-11-30 07:35:08,311 INFO L232 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:35:08,311 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2023-11-30 07:35:08,311 INFO L425 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 12 more)] ===
[2023-11-30 07:35:08,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-30 07:35:08,312 INFO L85 PathProgramCache]: Analyzing trace with hash -2002841568, now seen corresponding path program 3 times
[2023-11-30 07:35:08,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-30 07:35:08,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748916949]
[2023-11-30 07:35:08,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-30 07:35:08,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-30 07:35:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-30 07:35:08,670 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2023-11-30 07:35:08,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-30 07:35:08,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748916949]
[2023-11-30 07:35:08,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748916949] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-30 07:35:08,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-30 07:35:08,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15
[2023-11-30 07:35:08,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158245998]
[2023-11-30 07:35:08,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-30 07:35:08,672 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2023-11-30 07:35:08,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-30 07:35:08,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2023-11-30 07:35:08,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240
[2023-11-30 07:35:08,673 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 97
[2023-11-30 07:35:08,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 949 places, 9831 transitions, 503995 flow. Second operand has 16 states, 16 states have (on average 52.5625) internal successors, (841), 16 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-30 07:35:08,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-30 07:35:08,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 97
[2023-11-30 07:35:08,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
Received shutdown request...
[2023-11-30 07:36:32,067 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-11-30 07:36:32,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states.
[2023-11-30 07:36:32,110 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2023-11-30 07:36:32,110 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2023-11-30 07:36:32,110 WARN L624 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 51/97 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 497139 conditions, 24256 events (9472/24255 cut-off events. For 1213578/1257602 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 252608 event pairs, 166 based on Foata normal form. 491/23242 useless extension candidates. Maximal degree in co-relation 496112. Up to 15734 conditions per place.).
[2023-11-30 07:36:32,111 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2023-11-30 07:36:32,111 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2023-11-30 07:36:32,111 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2023-11-30 07:36:32,112 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2023-11-30 07:36:32,112 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2023-11-30 07:36:32,112 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 15 remaining)
[2023-11-30 07:36:32,112 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2023-11-30 07:36:32,112 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 15 remaining)
[2023-11-30 07:36:32,112 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2023-11-30 07:36:32,112 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2023-11-30 07:36:32,112 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2023-11-30 07:36:32,112 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2023-11-30 07:36:32,112 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2023-11-30 07:36:32,112 INFO L810 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2023-11-30 07:36:32,113 INFO L457 BasicCegarLoop]: Path program histogram: [10, 6, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2023-11-30 07:36:32,117 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-30 07:36:32,117 INFO L172 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-30 07:36:32,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 07:36:32 BasicIcfg
[2023-11-30 07:36:32,120 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-30 07:36:32,121 INFO L158 Benchmark]: Toolchain (without parser) took 830231.83ms. Allocated memory was 562.0MB in the beginning and 6.8GB in the end (delta: 6.2GB). Free memory was 511.4MB in the beginning and 4.4GB in the end (delta: -3.9GB). Peak memory consumption was 3.1GB. Max. memory is 16.0GB.
[2023-11-30 07:36:32,121 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 369.1MB. Free memory is still 317.6MB. There was no memory consumed. Max. memory is 16.0GB.
[2023-11-30 07:36:32,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.15ms. Allocated memory is still 562.0MB. Free memory was 511.4MB in the beginning and 483.4MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB.
[2023-11-30 07:36:32,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.07ms. Allocated memory is still 562.0MB. Free memory was 483.4MB in the beginning and 480.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
[2023-11-30 07:36:32,121 INFO L158 Benchmark]: Boogie Preprocessor took 44.96ms. Allocated memory is still 562.0MB. Free memory was 480.9MB in the beginning and 479.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
[2023-11-30 07:36:32,121 INFO L158 Benchmark]: RCFGBuilder took 367.65ms. Allocated memory is still 562.0MB. Free memory was 479.2MB in the beginning and 463.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB.
[2023-11-30 07:36:32,122 INFO L158 Benchmark]: TraceAbstraction took 829203.77ms. Allocated memory was 562.0MB in the beginning and 6.8GB in the end (delta: 6.2GB). Free memory was 462.9MB in the beginning and 4.4GB in the end (delta: -4.0GB). Peak memory consumption was 3.0GB. Max. memory is 16.0GB.
[2023-11-30 07:36:32,123 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 369.1MB. Free memory is still 317.6MB. There was no memory consumed. Max. memory is 16.0GB.
* CACSL2BoogieTranslator took 552.15ms. Allocated memory is still 562.0MB. Free memory was 511.4MB in the beginning and 483.4MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB.
* Boogie Procedure Inliner took 58.07ms. Allocated memory is still 562.0MB. Free memory was 483.4MB in the beginning and 480.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
* Boogie Preprocessor took 44.96ms. Allocated memory is still 562.0MB. Free memory was 480.9MB in the beginning and 479.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
* RCFGBuilder took 367.65ms. Allocated memory is still 562.0MB. Free memory was 479.2MB in the beginning and 463.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB.
* TraceAbstraction took 829203.77ms. Allocated memory was 562.0MB in the beginning and 6.8GB in the end (delta: 6.2GB). Free memory was 462.9MB in the beginning and 4.4GB in the end (delta: -4.0GB). Peak memory consumption was 3.0GB. Max. memory is 16.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- TimeoutResultAtElement [Line: 923]: Timeout (TraceAbstraction)
Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 51/97 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 497139 conditions, 24256 events (9472/24255 cut-off events. For 1213578/1257602 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 252608 event pairs, 166 based on Foata normal form. 491/23242 useless extension candidates. Maximal degree in co-relation 496112. Up to 15734 conditions per place.).
- TimeoutResultAtElement [Line: 933]: Timeout (TraceAbstraction)
Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 51/97 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 497139 conditions, 24256 events (9472/24255 cut-off events. For 1213578/1257602 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 252608 event pairs, 166 based on Foata normal form. 491/23242 useless extension candidates. Maximal degree in co-relation 496112. Up to 15734 conditions per place.).
- TimeoutResultAtElement [Line: 933]: Timeout (TraceAbstraction)
Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 51/97 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 497139 conditions, 24256 events (9472/24255 cut-off events. For 1213578/1257602 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 252608 event pairs, 166 based on Foata normal form. 491/23242 useless extension candidates. Maximal degree in co-relation 496112. Up to 15734 conditions per place.).
- TimeoutResultAtElement [Line: 923]: Timeout (TraceAbstraction)
Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 51/97 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 497139 conditions, 24256 events (9472/24255 cut-off events. For 1213578/1257602 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 252608 event pairs, 166 based on Foata normal form. 491/23242 useless extension candidates. Maximal degree in co-relation 496112. Up to 15734 conditions per place.).
- TimeoutResultAtElement [Line: 923]: Timeout (TraceAbstraction)
Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 51/97 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 497139 conditions, 24256 events (9472/24255 cut-off events. For 1213578/1257602 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 252608 event pairs, 166 based on Foata normal form. 491/23242 useless extension candidates. Maximal degree in co-relation 496112. Up to 15734 conditions per place.).
- TimeoutResultAtElement [Line: 938]: Timeout (TraceAbstraction)
Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 51/97 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 497139 conditions, 24256 events (9472/24255 cut-off events. For 1213578/1257602 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 252608 event pairs, 166 based on Foata normal form. 491/23242 useless extension candidates. Maximal degree in co-relation 496112. Up to 15734 conditions per place.).
- TimeoutResultAtElement [Line: 938]: Timeout (TraceAbstraction)
Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 51/97 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 497139 conditions, 24256 events (9472/24255 cut-off events. For 1213578/1257602 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 252608 event pairs, 166 based on Foata normal form. 491/23242 useless extension candidates. Maximal degree in co-relation 496112. Up to 15734 conditions per place.).
- TimeoutResultAtElement [Line: 937]: Timeout (TraceAbstraction)
Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 51/97 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 497139 conditions, 24256 events (9472/24255 cut-off events. For 1213578/1257602 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 252608 event pairs, 166 based on Foata normal form. 491/23242 useless extension candidates. Maximal degree in co-relation 496112. Up to 15734 conditions per place.).
- TimeoutResultAtElement [Line: 923]: Timeout (TraceAbstraction)
Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 51/97 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 497139 conditions, 24256 events (9472/24255 cut-off events. For 1213578/1257602 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 252608 event pairs, 166 based on Foata normal form. 491/23242 useless extension candidates. Maximal degree in co-relation 496112. Up to 15734 conditions per place.).
- TimeoutResultAtElement [Line: 928]: Timeout (TraceAbstraction)
Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 51/97 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 497139 conditions, 24256 events (9472/24255 cut-off events. For 1213578/1257602 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 252608 event pairs, 166 based on Foata normal form. 491/23242 useless extension candidates. Maximal degree in co-relation 496112. Up to 15734 conditions per place.).
- TimeoutResultAtElement [Line: 928]: Timeout (TraceAbstraction)
Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (16states, 51/97 universal loopers) in iteration 34,while PetriNetUnfolder was constructing finite prefix that currently has 497139 conditions, 24256 events (9472/24255 cut-off events. For 1213578/1257602 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 252608 event pairs, 166 based on Foata normal form. 491/23242 useless extension candidates. Maximal degree in co-relation 496112. Up to 15734 conditions per place.).
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 125 locations, 15 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: 829.1s, OverallIterations: 34, TraceHistogramMax: 10, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 813.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11960 SdHoareTripleChecker+Valid, 9.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11960 mSDsluCounter, 11847 SdHoareTripleChecker+Invalid, 7.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10294 mSDsCounter, 195 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15674 IncrementalHoareTripleChecker+Invalid, 15869 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 195 mSolverCounterUnsat, 1553 mSDtfsCounter, 15674 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1629 GetRequests, 448 SyntacticMatches, 11 SemanticMatches, 1170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11103 ImplicationChecksByTransitivity, 16.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=503995occurred in iteration=33, InterpolantAutomatonStates: 899, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 12.5s InterpolantComputationTime, 3530 NumberOfCodeBlocks, 3460 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 3649 ConstructedInterpolants, 4 QuantifiedInterpolants, 34390 SizeOfPredicates, 41 NumberOfNonLiveVariables, 571 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 43 InterpolantComputations, 31 PerfectInterpolantSequences, 8637/9356 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
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown