/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked INSUFFICIENT_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-27 07:47:46,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-27 07:47:46,554 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-VariableLbe.epf [2023-08-27 07:47:46,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-27 07:47:46,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-27 07:47:46,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-27 07:47:46,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-27 07:47:46,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-27 07:47:46,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-27 07:47:46,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-27 07:47:46,601 INFO L153 SettingsManager]: * Use SBE=true [2023-08-27 07:47:46,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-27 07:47:46,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-27 07:47:46,603 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-27 07:47:46,603 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-27 07:47:46,603 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-27 07:47:46,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-27 07:47:46,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-27 07:47:46,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-27 07:47:46,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-27 07:47:46,604 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-27 07:47:46,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-27 07:47:46,604 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-27 07:47:46,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-27 07:47:46,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-27 07:47:46,605 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-27 07:47:46,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-27 07:47:46,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 07:47:46,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-27 07:47:46,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-27 07:47:46,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-27 07:47:46,607 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-27 07:47:46,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-27 07:47:46,607 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-27 07:47:46,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-27 07:47:46,608 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-08-27 07:47:46,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-27 07:47:46,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-27 07:47:46,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-27 07:47:46,915 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-27 07:47:46,915 INFO L274 PluginConnector]: CDTParser initialized [2023-08-27 07:47:46,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2023-08-27 07:47:48,030 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-27 07:47:48,231 INFO L384 CDTParser]: Found 1 translation units. [2023-08-27 07:47:48,232 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2023-08-27 07:47:48,241 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd414b736/e686870e96cc4d5e8ac3af7442207b66/FLAG234a06fea [2023-08-27 07:47:48,256 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd414b736/e686870e96cc4d5e8ac3af7442207b66 [2023-08-27 07:47:48,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-27 07:47:48,259 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-27 07:47:48,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-27 07:47:48,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-27 07:47:48,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-27 07:47:48,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 07:47:48" (1/1) ... [2023-08-27 07:47:48,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475991be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:48, skipping insertion in model container [2023-08-27 07:47:48,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 07:47:48" (1/1) ... [2023-08-27 07:47:48,283 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-27 07:47:48,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 07:47:48,472 INFO L201 MainTranslator]: Completed pre-run [2023-08-27 07:47:48,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 07:47:48,501 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-27 07:47:48,501 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-27 07:47:48,508 INFO L206 MainTranslator]: Completed translation [2023-08-27 07:47:48,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:48 WrapperNode [2023-08-27 07:47:48,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-27 07:47:48,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-27 07:47:48,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-27 07:47:48,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-27 07:47:48,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:48" (1/1) ... [2023-08-27 07:47:48,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:48" (1/1) ... [2023-08-27 07:47:48,552 INFO L138 Inliner]: procedures = 25, calls = 53, calls flagged for inlining = 17, calls inlined = 29, statements flattened = 376 [2023-08-27 07:47:48,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-27 07:47:48,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-27 07:47:48,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-27 07:47:48,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-27 07:47:48,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:48" (1/1) ... [2023-08-27 07:47:48,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:48" (1/1) ... [2023-08-27 07:47:48,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:48" (1/1) ... [2023-08-27 07:47:48,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:48" (1/1) ... [2023-08-27 07:47:48,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:48" (1/1) ... [2023-08-27 07:47:48,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:48" (1/1) ... [2023-08-27 07:47:48,592 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:48" (1/1) ... [2023-08-27 07:47:48,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:48" (1/1) ... [2023-08-27 07:47:48,596 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-27 07:47:48,597 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-27 07:47:48,597 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-27 07:47:48,597 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-27 07:47:48,598 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:48" (1/1) ... [2023-08-27 07:47:48,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 07:47:48,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 07:47:48,638 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) [2023-08-27 07:47:48,653 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 [2023-08-27 07:47:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-27 07:47:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-27 07:47:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-27 07:47:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-27 07:47:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-27 07:47:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-27 07:47:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-27 07:47:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-27 07:47:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-27 07:47:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-27 07:47:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-27 07:47:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-27 07:47:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-27 07:47:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-27 07:47:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-27 07:47:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-27 07:47:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-27 07:47:48,689 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-27 07:47:48,786 INFO L236 CfgBuilder]: Building ICFG [2023-08-27 07:47:48,787 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-27 07:47:49,317 INFO L277 CfgBuilder]: Performing block encoding [2023-08-27 07:47:50,579 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-27 07:47:50,580 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-08-27 07:47:50,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 07:47:50 BoogieIcfgContainer [2023-08-27 07:47:50,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-27 07:47:50,584 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-27 07:47:50,584 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-27 07:47:50,586 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-27 07:47:50,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 07:47:48" (1/3) ... [2023-08-27 07:47:50,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2884517a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 07:47:50, skipping insertion in model container [2023-08-27 07:47:50,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 07:47:48" (2/3) ... [2023-08-27 07:47:50,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2884517a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 07:47:50, skipping insertion in model container [2023-08-27 07:47:50,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 07:47:50" (3/3) ... [2023-08-27 07:47:50,589 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2023-08-27 07:47:50,604 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-27 07:47:50,604 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2023-08-27 07:47:50,604 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-27 07:47:51,036 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-27 07:47:51,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 236 places, 242 transitions, 508 flow [2023-08-27 07:47:51,226 INFO L124 PetriNetUnfolderBase]: 16/239 cut-off events. [2023-08-27 07:47:51,226 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-27 07:47:51,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 239 events. 16/239 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 397 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 185. Up to 2 conditions per place. [2023-08-27 07:47:51,232 INFO L82 GeneralOperation]: Start removeDead. Operand has 236 places, 242 transitions, 508 flow [2023-08-27 07:47:51,243 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 222 places, 228 transitions, 474 flow [2023-08-27 07:47:51,246 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 07:47:51,253 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 228 transitions, 474 flow [2023-08-27 07:47:51,255 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 222 places, 228 transitions, 474 flow [2023-08-27 07:47:51,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 222 places, 228 transitions, 474 flow [2023-08-27 07:47:51,315 INFO L124 PetriNetUnfolderBase]: 16/228 cut-off events. [2023-08-27 07:47:51,315 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-27 07:47:51,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 228 events. 16/228 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 394 event pairs, 0 based on Foata normal form. 0/166 useless extension candidates. Maximal degree in co-relation 185. Up to 2 conditions per place. [2023-08-27 07:47:51,320 INFO L119 LiptonReduction]: Number of co-enabled transitions 6318 [2023-08-27 07:48:33,367 INFO L134 LiptonReduction]: Checked pairs total: 8301 [2023-08-27 07:48:33,368 INFO L136 LiptonReduction]: Total number of compositions: 236 [2023-08-27 07:48:33,378 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-27 07:48:33,383 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@51e13a35, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-27 07:48:33,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2023-08-27 07:48:33,385 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-27 07:48:33,385 INFO L124 PetriNetUnfolderBase]: 1/2 cut-off events. [2023-08-27 07:48:33,385 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 07:48:33,385 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 07:48:33,386 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-08-27 07:48:33,386 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2023-08-27 07:48:33,390 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 07:48:33,390 INFO L85 PathProgramCache]: Analyzing trace with hash 54061, now seen corresponding path program 1 times [2023-08-27 07:48:33,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 07:48:33,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911130818] [2023-08-27 07:48:33,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 07:48:33,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 07:48:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 07:48:33,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 07:48:33,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 07:48:33,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911130818] [2023-08-27 07:48:33,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911130818] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 07:48:33,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 07:48:33,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 07:48:33,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022841921] [2023-08-27 07:48:33,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 07:48:33,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 07:48:33,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 07:48:33,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 07:48:33,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 07:48:33,702 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 478 [2023-08-27 07:48:33,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 72 transitions, 162 flow. Second operand has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:33,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 07:48:33,707 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 478 [2023-08-27 07:48:33,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 07:48:38,104 INFO L124 PetriNetUnfolderBase]: 13244/16445 cut-off events. [2023-08-27 07:48:38,105 INFO L125 PetriNetUnfolderBase]: For 167/167 co-relation queries the response was YES. [2023-08-27 07:48:38,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33161 conditions, 16445 events. 13244/16445 cut-off events. For 167/167 co-relation queries the response was YES. Maximal size of possible extension queue 2050. Compared 80278 event pairs, 6487 based on Foata normal form. 0/3324 useless extension candidates. Maximal degree in co-relation 30621. Up to 16310 conditions per place. [2023-08-27 07:48:38,201 INFO L140 encePairwiseOnDemand]: 451/478 looper letters, 50 selfloop transitions, 5 changer transitions 0/58 dead transitions. [2023-08-27 07:48:38,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 58 transitions, 244 flow [2023-08-27 07:48:38,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 07:48:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 07:48:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 584 transitions. [2023-08-27 07:48:38,214 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4072524407252441 [2023-08-27 07:48:38,214 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 584 transitions. [2023-08-27 07:48:38,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 584 transitions. [2023-08-27 07:48:38,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 07:48:38,218 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 584 transitions. [2023-08-27 07:48:38,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:38,228 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:38,229 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:38,231 INFO L175 Difference]: Start difference. First operand has 77 places, 72 transitions, 162 flow. Second operand 3 states and 584 transitions. [2023-08-27 07:48:38,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 58 transitions, 244 flow [2023-08-27 07:48:38,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 58 transitions, 232 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-08-27 07:48:38,317 INFO L231 Difference]: Finished difference. Result has 57 places, 58 transitions, 158 flow [2023-08-27 07:48:38,318 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=57, PETRI_TRANSITIONS=58} [2023-08-27 07:48:38,324 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -20 predicate places. [2023-08-27 07:48:38,325 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 58 transitions, 158 flow [2023-08-27 07:48:38,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.66666666666666) internal successors, (509), 3 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:38,326 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 07:48:38,326 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 07:48:38,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-27 07:48:38,326 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2023-08-27 07:48:38,336 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 07:48:38,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1677498, now seen corresponding path program 1 times [2023-08-27 07:48:38,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 07:48:38,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114294773] [2023-08-27 07:48:38,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 07:48:38,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 07:48:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 07:48:38,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 07:48:38,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 07:48:38,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114294773] [2023-08-27 07:48:38,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114294773] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 07:48:38,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 07:48:38,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-27 07:48:38,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052164547] [2023-08-27 07:48:38,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 07:48:38,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 07:48:38,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 07:48:38,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 07:48:38,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 07:48:38,450 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 478 [2023-08-27 07:48:38,451 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 58 transitions, 158 flow. Second operand has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:38,451 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 07:48:38,451 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 478 [2023-08-27 07:48:38,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 07:48:42,598 INFO L124 PetriNetUnfolderBase]: 13244/16443 cut-off events. [2023-08-27 07:48:42,599 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-08-27 07:48:42,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32906 conditions, 16443 events. 13244/16443 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 2050. Compared 80029 event pairs, 6487 based on Foata normal form. 0/3326 useless extension candidates. Maximal degree in co-relation 32864. Up to 16302 conditions per place. [2023-08-27 07:48:42,677 INFO L140 encePairwiseOnDemand]: 474/478 looper letters, 50 selfloop transitions, 3 changer transitions 0/56 dead transitions. [2023-08-27 07:48:42,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 56 transitions, 256 flow [2023-08-27 07:48:42,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 07:48:42,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 07:48:42,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 558 transitions. [2023-08-27 07:48:42,680 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3891213389121339 [2023-08-27 07:48:42,680 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 558 transitions. [2023-08-27 07:48:42,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 558 transitions. [2023-08-27 07:48:42,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 07:48:42,681 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 558 transitions. [2023-08-27 07:48:42,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.0) internal successors, (558), 3 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:42,685 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:42,686 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:42,686 INFO L175 Difference]: Start difference. First operand has 57 places, 58 transitions, 158 flow. Second operand 3 states and 558 transitions. [2023-08-27 07:48:42,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 56 transitions, 256 flow [2023-08-27 07:48:42,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 56 transitions, 246 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-27 07:48:42,688 INFO L231 Difference]: Finished difference. Result has 55 places, 56 transitions, 146 flow [2023-08-27 07:48:42,688 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=146, PETRI_PLACES=55, PETRI_TRANSITIONS=56} [2023-08-27 07:48:42,689 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -22 predicate places. [2023-08-27 07:48:42,689 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 56 transitions, 146 flow [2023-08-27 07:48:42,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.0) internal successors, (510), 3 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:42,690 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 07:48:42,690 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-27 07:48:42,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-27 07:48:42,690 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2023-08-27 07:48:42,691 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 07:48:42,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1677500, now seen corresponding path program 1 times [2023-08-27 07:48:42,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 07:48:42,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543369990] [2023-08-27 07:48:42,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 07:48:42,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 07:48:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 07:48:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 07:48:42,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 07:48:42,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543369990] [2023-08-27 07:48:42,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543369990] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-27 07:48:42,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913890337] [2023-08-27 07:48:42,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 07:48:42,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-27 07:48:42,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 07:48:42,753 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) [2023-08-27 07:48:42,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-27 07:48:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 07:48:43,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2023-08-27 07:48:43,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-27 07:48:43,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 07:48:43,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-27 07:48:43,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 07:48:43,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913890337] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-27 07:48:43,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-27 07:48:43,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 5 [2023-08-27 07:48:43,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774972069] [2023-08-27 07:48:43,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-27 07:48:43,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-27 07:48:43,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 07:48:43,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-27 07:48:43,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-08-27 07:48:43,226 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 478 [2023-08-27 07:48:43,227 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 56 transitions, 146 flow. Second operand has 7 states, 7 states have (on average 170.14285714285714) internal successors, (1191), 7 states have internal predecessors, (1191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:43,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 07:48:43,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 478 [2023-08-27 07:48:43,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 07:48:46,842 INFO L124 PetriNetUnfolderBase]: 13250/16455 cut-off events. [2023-08-27 07:48:46,843 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-08-27 07:48:46,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32943 conditions, 16455 events. 13250/16455 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 2050. Compared 80169 event pairs, 6487 based on Foata normal form. 0/3335 useless extension candidates. Maximal degree in co-relation 32864. Up to 16311 conditions per place. [2023-08-27 07:48:46,926 INFO L140 encePairwiseOnDemand]: 471/478 looper letters, 48 selfloop transitions, 17 changer transitions 0/68 dead transitions. [2023-08-27 07:48:46,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 68 transitions, 330 flow [2023-08-27 07:48:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-27 07:48:46,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-27 07:48:46,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1085 transitions. [2023-08-27 07:48:46,931 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3783124128312413 [2023-08-27 07:48:46,931 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1085 transitions. [2023-08-27 07:48:46,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1085 transitions. [2023-08-27 07:48:46,932 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 07:48:46,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1085 transitions. [2023-08-27 07:48:46,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 180.83333333333334) internal successors, (1085), 6 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:46,941 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 478.0) internal successors, (3346), 7 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:46,942 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 478.0) internal successors, (3346), 7 states have internal predecessors, (3346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:46,942 INFO L175 Difference]: Start difference. First operand has 55 places, 56 transitions, 146 flow. Second operand 6 states and 1085 transitions. [2023-08-27 07:48:46,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 68 transitions, 330 flow [2023-08-27 07:48:46,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 68 transitions, 318 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-27 07:48:46,946 INFO L231 Difference]: Finished difference. Result has 61 places, 68 transitions, 258 flow [2023-08-27 07:48:46,946 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=258, PETRI_PLACES=61, PETRI_TRANSITIONS=68} [2023-08-27 07:48:46,947 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -16 predicate places. [2023-08-27 07:48:46,947 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 68 transitions, 258 flow [2023-08-27 07:48:46,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 170.14285714285714) internal successors, (1191), 7 states have internal predecessors, (1191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:46,948 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 07:48:46,948 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-27 07:48:46,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-27 07:48:47,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-27 07:48:47,155 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2023-08-27 07:48:47,155 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 07:48:47,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1544821554, now seen corresponding path program 1 times [2023-08-27 07:48:47,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 07:48:47,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235024127] [2023-08-27 07:48:47,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 07:48:47,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 07:48:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 07:48:47,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 07:48:47,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 07:48:47,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235024127] [2023-08-27 07:48:47,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235024127] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 07:48:47,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 07:48:47,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-27 07:48:47,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41830107] [2023-08-27 07:48:47,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 07:48:47,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 07:48:47,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 07:48:47,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 07:48:47,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 07:48:47,313 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 478 [2023-08-27 07:48:47,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 68 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:47,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 07:48:47,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 478 [2023-08-27 07:48:47,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 07:48:51,451 INFO L124 PetriNetUnfolderBase]: 18775/23842 cut-off events. [2023-08-27 07:48:51,452 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-08-27 07:48:51,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47845 conditions, 23842 events. 18775/23842 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2890. Compared 131213 event pairs, 4616 based on Foata normal form. 0/5264 useless extension candidates. Maximal degree in co-relation 47780. Up to 14414 conditions per place. [2023-08-27 07:48:51,573 INFO L140 encePairwiseOnDemand]: 473/478 looper letters, 96 selfloop transitions, 3 changer transitions 0/101 dead transitions. [2023-08-27 07:48:51,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 101 transitions, 524 flow [2023-08-27 07:48:51,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 07:48:51,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 07:48:51,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 622 transitions. [2023-08-27 07:48:51,576 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43375174337517436 [2023-08-27 07:48:51,576 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 622 transitions. [2023-08-27 07:48:51,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 622 transitions. [2023-08-27 07:48:51,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 07:48:51,577 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 622 transitions. [2023-08-27 07:48:51,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:51,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:51,582 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:51,582 INFO L175 Difference]: Start difference. First operand has 61 places, 68 transitions, 258 flow. Second operand 3 states and 622 transitions. [2023-08-27 07:48:51,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 101 transitions, 524 flow [2023-08-27 07:48:51,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 101 transitions, 498 flow, removed 9 selfloop flow, removed 1 redundant places. [2023-08-27 07:48:51,585 INFO L231 Difference]: Finished difference. Result has 63 places, 70 transitions, 253 flow [2023-08-27 07:48:51,585 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=253, PETRI_PLACES=63, PETRI_TRANSITIONS=70} [2023-08-27 07:48:51,586 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -14 predicate places. [2023-08-27 07:48:51,586 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 70 transitions, 253 flow [2023-08-27 07:48:51,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 181.0) internal successors, (543), 3 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:51,587 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 07:48:51,587 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-27 07:48:51,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-27 07:48:51,587 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2023-08-27 07:48:51,587 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 07:48:51,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1544821683, now seen corresponding path program 1 times [2023-08-27 07:48:51,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 07:48:51,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129459231] [2023-08-27 07:48:51,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 07:48:51,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 07:48:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 07:48:51,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 07:48:51,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 07:48:51,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129459231] [2023-08-27 07:48:51,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129459231] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 07:48:51,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 07:48:51,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-27 07:48:51,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116137149] [2023-08-27 07:48:51,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 07:48:51,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-27 07:48:51,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 07:48:51,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-27 07:48:51,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-27 07:48:51,771 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 478 [2023-08-27 07:48:51,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 70 transitions, 253 flow. Second operand has 5 states, 5 states have (on average 149.2) internal successors, (746), 5 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:51,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 07:48:51,773 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 478 [2023-08-27 07:48:51,773 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 07:48:55,542 INFO L124 PetriNetUnfolderBase]: 17637/22705 cut-off events. [2023-08-27 07:48:55,542 INFO L125 PetriNetUnfolderBase]: For 1282/1282 co-relation queries the response was YES. [2023-08-27 07:48:55,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47753 conditions, 22705 events. 17637/22705 cut-off events. For 1282/1282 co-relation queries the response was YES. Maximal size of possible extension queue 3180. Compared 129723 event pairs, 10487 based on Foata normal form. 3/5665 useless extension candidates. Maximal degree in co-relation 47693. Up to 22486 conditions per place. [2023-08-27 07:48:55,654 INFO L140 encePairwiseOnDemand]: 473/478 looper letters, 59 selfloop transitions, 7 changer transitions 1/69 dead transitions. [2023-08-27 07:48:55,655 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 69 transitions, 382 flow [2023-08-27 07:48:55,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-27 07:48:55,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-27 07:48:55,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 648 transitions. [2023-08-27 07:48:55,657 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3389121338912134 [2023-08-27 07:48:55,657 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 648 transitions. [2023-08-27 07:48:55,657 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 648 transitions. [2023-08-27 07:48:55,658 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 07:48:55,658 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 648 transitions. [2023-08-27 07:48:55,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 162.0) internal successors, (648), 4 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:55,662 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 478.0) internal successors, (2390), 5 states have internal predecessors, (2390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:55,663 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 478.0) internal successors, (2390), 5 states have internal predecessors, (2390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:55,663 INFO L175 Difference]: Start difference. First operand has 63 places, 70 transitions, 253 flow. Second operand 4 states and 648 transitions. [2023-08-27 07:48:55,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 69 transitions, 382 flow [2023-08-27 07:48:55,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 69 transitions, 379 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-27 07:48:55,666 INFO L231 Difference]: Finished difference. Result has 65 places, 68 transitions, 255 flow [2023-08-27 07:48:55,666 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=255, PETRI_PLACES=65, PETRI_TRANSITIONS=68} [2023-08-27 07:48:55,667 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -12 predicate places. [2023-08-27 07:48:55,667 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 68 transitions, 255 flow [2023-08-27 07:48:55,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 149.2) internal successors, (746), 5 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:55,667 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 07:48:55,668 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1] [2023-08-27 07:48:55,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-27 07:48:55,668 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2023-08-27 07:48:55,668 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 07:48:55,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1563607315, now seen corresponding path program 2 times [2023-08-27 07:48:55,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 07:48:55,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910848176] [2023-08-27 07:48:55,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 07:48:55,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 07:48:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 07:48:55,742 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 07:48:55,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 07:48:55,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910848176] [2023-08-27 07:48:55,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910848176] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-27 07:48:55,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902607606] [2023-08-27 07:48:55,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-27 07:48:55,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-27 07:48:55,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 07:48:55,747 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) [2023-08-27 07:48:55,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-27 07:48:56,101 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-08-27 07:48:56,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-27 07:48:56,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2023-08-27 07:48:56,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-27 07:48:56,115 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-08-27 07:48:56,115 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-27 07:48:56,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902607606] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 07:48:56,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-27 07:48:56,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [5] total 6 [2023-08-27 07:48:56,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252456013] [2023-08-27 07:48:56,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 07:48:56,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 07:48:56,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 07:48:56,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 07:48:56,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-08-27 07:48:56,118 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 478 [2023-08-27 07:48:56,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 68 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:56,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 07:48:56,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 478 [2023-08-27 07:48:56,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 07:48:59,819 INFO L124 PetriNetUnfolderBase]: 16724/21525 cut-off events. [2023-08-27 07:48:59,819 INFO L125 PetriNetUnfolderBase]: For 526/779 co-relation queries the response was YES. [2023-08-27 07:48:59,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44633 conditions, 21525 events. 16724/21525 cut-off events. For 526/779 co-relation queries the response was YES. Maximal size of possible extension queue 3080. Compared 123167 event pairs, 9916 based on Foata normal form. 254/5439 useless extension candidates. Maximal degree in co-relation 44577. Up to 21317 conditions per place. [2023-08-27 07:48:59,928 INFO L140 encePairwiseOnDemand]: 475/478 looper letters, 59 selfloop transitions, 5 changer transitions 0/67 dead transitions. [2023-08-27 07:48:59,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 67 transitions, 373 flow [2023-08-27 07:48:59,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 07:48:59,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 07:48:59,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2023-08-27 07:48:59,930 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39191073919107394 [2023-08-27 07:48:59,930 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 562 transitions. [2023-08-27 07:48:59,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 562 transitions. [2023-08-27 07:48:59,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 07:48:59,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 562 transitions. [2023-08-27 07:48:59,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:59,934 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:59,934 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:59,935 INFO L175 Difference]: Start difference. First operand has 65 places, 68 transitions, 255 flow. Second operand 3 states and 562 transitions. [2023-08-27 07:48:59,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 67 transitions, 373 flow [2023-08-27 07:48:59,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 67 transitions, 359 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-27 07:48:59,937 INFO L231 Difference]: Finished difference. Result has 63 places, 67 transitions, 241 flow [2023-08-27 07:48:59,937 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=241, PETRI_PLACES=63, PETRI_TRANSITIONS=67} [2023-08-27 07:48:59,938 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -14 predicate places. [2023-08-27 07:48:59,938 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 67 transitions, 241 flow [2023-08-27 07:48:59,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.0) internal successors, (516), 3 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:48:59,938 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 07:48:59,938 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 07:48:59,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-08-27 07:49:00,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-08-27 07:49:00,145 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2023-08-27 07:49:00,145 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 07:49:00,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1198726420, now seen corresponding path program 1 times [2023-08-27 07:49:00,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 07:49:00,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465230276] [2023-08-27 07:49:00,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 07:49:00,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 07:49:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 07:49:00,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-08-27 07:49:00,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 07:49:00,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465230276] [2023-08-27 07:49:00,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465230276] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-27 07:49:00,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-27 07:49:00,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-27 07:49:00,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728623990] [2023-08-27 07:49:00,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-27 07:49:00,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-27 07:49:00,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 07:49:00,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-27 07:49:00,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-27 07:49:00,432 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 478 [2023-08-27 07:49:00,432 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 67 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:49:00,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 07:49:00,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 478 [2023-08-27 07:49:00,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 07:49:03,979 INFO L124 PetriNetUnfolderBase]: 17977/22778 cut-off events. [2023-08-27 07:49:03,980 INFO L125 PetriNetUnfolderBase]: For 282/535 co-relation queries the response was YES. [2023-08-27 07:49:04,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47303 conditions, 22778 events. 17977/22778 cut-off events. For 282/535 co-relation queries the response was YES. Maximal size of possible extension queue 3030. Compared 125955 event pairs, 3741 based on Foata normal form. 253/5737 useless extension candidates. Maximal degree in co-relation 47251. Up to 14751 conditions per place. [2023-08-27 07:49:04,062 INFO L140 encePairwiseOnDemand]: 474/478 looper letters, 97 selfloop transitions, 2 changer transitions 0/102 dead transitions. [2023-08-27 07:49:04,062 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 102 transitions, 514 flow [2023-08-27 07:49:04,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-27 07:49:04,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-27 07:49:04,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2023-08-27 07:49:04,064 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4435146443514644 [2023-08-27 07:49:04,064 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 636 transitions. [2023-08-27 07:49:04,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 636 transitions. [2023-08-27 07:49:04,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 07:49:04,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 636 transitions. [2023-08-27 07:49:04,066 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:49:04,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:49:04,068 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 478.0) internal successors, (1912), 4 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:49:04,068 INFO L175 Difference]: Start difference. First operand has 63 places, 67 transitions, 241 flow. Second operand 3 states and 636 transitions. [2023-08-27 07:49:04,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 102 transitions, 514 flow [2023-08-27 07:49:04,069 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 102 transitions, 504 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-27 07:49:04,071 INFO L231 Difference]: Finished difference. Result has 64 places, 67 transitions, 241 flow [2023-08-27 07:49:04,071 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=241, PETRI_PLACES=64, PETRI_TRANSITIONS=67} [2023-08-27 07:49:04,071 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -13 predicate places. [2023-08-27 07:49:04,072 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 67 transitions, 241 flow [2023-08-27 07:49:04,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 185.33333333333334) internal successors, (556), 3 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:49:04,072 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 07:49:04,072 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 07:49:04,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-27 07:49:04,072 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2023-08-27 07:49:04,073 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 07:49:04,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1198726413, now seen corresponding path program 1 times [2023-08-27 07:49:04,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 07:49:04,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306480369] [2023-08-27 07:49:04,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 07:49:04,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 07:49:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 07:49:04,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 07:49:04,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 07:49:04,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306480369] [2023-08-27 07:49:04,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306480369] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-27 07:49:04,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748143942] [2023-08-27 07:49:04,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 07:49:04,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-27 07:49:04,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 07:49:04,477 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) [2023-08-27 07:49:04,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-27 07:49:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 07:49:04,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 24 conjunts are in the unsatisfiable core [2023-08-27 07:49:04,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-27 07:49:04,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-27 07:49:04,894 INFO L322 Elim1Store]: treesize reduction 56, result has 37.8 percent of original size [2023-08-27 07:49:04,895 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 39 [2023-08-27 07:49:04,938 INFO L351 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 11 treesize of output 7 [2023-08-27 07:49:04,972 INFO L322 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-08-27 07:49:04,972 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-08-27 07:49:05,011 INFO L351 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 16 treesize of output 18 [2023-08-27 07:49:05,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-27 07:49:05,033 INFO L351 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 16 treesize of output 18 [2023-08-27 07:49:05,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 07:49:05,045 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-27 07:49:07,220 WARN L839 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_228 (Array Int Int)) (~B~0.offset Int) (~B~0.base Int)) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228))) (let ((.cse1 (select (select .cse0 ~B~0.base) ~B~0.offset))) (or (<= 0 (+ (select (select .cse0 c_~A~0.base) c_~A~0.offset) 2147483648 .cse1)) (< 0 .cse1) (< .cse1 0))))) (forall ((v_ArrVal_228 (Array Int Int)) (~B~0.offset Int) (~B~0.base Int)) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228))) (let ((.cse2 (select (select .cse3 ~B~0.base) ~B~0.offset))) (or (< 4294967295 .cse2) (<= .cse2 0) (<= 0 (+ (select (select .cse3 c_~A~0.base) c_~A~0.offset) 2147483648 .cse2))))))) is different from false [2023-08-27 07:49:07,250 WARN L839 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_227 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (~B~0.offset Int) (~B~0.base Int)) (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_227) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228))) (let ((.cse0 (select (select .cse1 ~B~0.base) ~B~0.offset))) (or (< 0 .cse0) (<= 0 (+ (select (select .cse1 c_~A~0.base) c_~A~0.offset) 2147483648 .cse0)) (< .cse0 0))))) (forall ((v_ArrVal_227 (Array Int Int)) (v_ArrVal_228 (Array Int Int)) (~B~0.offset Int) (~B~0.base Int)) (let ((.cse3 (store (store |c_#memory_int| |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base| v_ArrVal_227) |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_228))) (let ((.cse2 (select (select .cse3 ~B~0.base) ~B~0.offset))) (or (< 4294967295 .cse2) (<= .cse2 0) (<= 0 (+ (select (select .cse3 c_~A~0.base) c_~A~0.offset) 2147483648 .cse2))))))) is different from false [2023-08-27 07:49:07,381 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-27 07:49:07,382 INFO L351 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 215 treesize of output 132 [2023-08-27 07:49:07,442 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-27 07:49:07,443 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2015 treesize of output 1894 [2023-08-27 07:49:07,509 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-27 07:49:07,510 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 789 treesize of output 778 [2023-08-27 07:49:07,554 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-27 07:49:07,555 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 769 treesize of output 738 [2023-08-27 07:49:07,600 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-27 07:49:07,601 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 729 treesize of output 698 [2023-08-27 07:49:07,645 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-27 07:49:07,646 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 689 treesize of output 678 [2023-08-27 07:51:51,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2023-08-27 07:51:51,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748143942] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-27 07:51:51,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-27 07:51:51,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2023-08-27 07:51:51,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269106347] [2023-08-27 07:51:51,280 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-27 07:51:51,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-08-27 07:51:51,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 07:51:51,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-08-27 07:51:51,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=189, Unknown=3, NotChecked=58, Total=306 [2023-08-27 07:51:51,283 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 478 [2023-08-27 07:51:51,285 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 67 transitions, 241 flow. Second operand has 18 states, 18 states have (on average 137.16666666666666) internal successors, (2469), 18 states have internal predecessors, (2469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:51:51,285 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 07:51:51,285 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 478 [2023-08-27 07:51:51,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 07:51:53,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:51:55,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:51:57,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:51:59,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:01,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:03,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:05,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:07,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:09,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:11,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:13,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:15,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:17,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:19,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:21,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:24,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:26,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:28,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:30,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:32,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:34,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:36,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:38,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:40,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:42,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:44,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:46,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 07:52:49,660 INFO L124 PetriNetUnfolderBase]: 18977/24572 cut-off events. [2023-08-27 07:52:49,660 INFO L125 PetriNetUnfolderBase]: For 1796/1796 co-relation queries the response was YES. [2023-08-27 07:52:49,685 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52015 conditions, 24572 events. 18977/24572 cut-off events. For 1796/1796 co-relation queries the response was YES. Maximal size of possible extension queue 3450. Compared 144942 event pairs, 6579 based on Foata normal form. 0/6774 useless extension candidates. Maximal degree in co-relation 51960. Up to 21721 conditions per place. [2023-08-27 07:52:49,756 INFO L140 encePairwiseOnDemand]: 468/478 looper letters, 92 selfloop transitions, 15 changer transitions 0/109 dead transitions. [2023-08-27 07:52:49,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 109 transitions, 562 flow [2023-08-27 07:52:49,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-27 07:52:49,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-27 07:52:49,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1181 transitions. [2023-08-27 07:52:49,759 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3088389121338912 [2023-08-27 07:52:49,759 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1181 transitions. [2023-08-27 07:52:49,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1181 transitions. [2023-08-27 07:52:49,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 07:52:49,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1181 transitions. [2023-08-27 07:52:49,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 147.625) internal successors, (1181), 8 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:52:49,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 478.0) internal successors, (4302), 9 states have internal predecessors, (4302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:52:49,767 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 478.0) internal successors, (4302), 9 states have internal predecessors, (4302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:52:49,768 INFO L175 Difference]: Start difference. First operand has 64 places, 67 transitions, 241 flow. Second operand 8 states and 1181 transitions. [2023-08-27 07:52:49,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 109 transitions, 562 flow [2023-08-27 07:52:49,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 109 transitions, 556 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-27 07:52:49,771 INFO L231 Difference]: Finished difference. Result has 72 places, 75 transitions, 317 flow [2023-08-27 07:52:49,771 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=237, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=317, PETRI_PLACES=72, PETRI_TRANSITIONS=75} [2023-08-27 07:52:49,771 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, -5 predicate places. [2023-08-27 07:52:49,771 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 75 transitions, 317 flow [2023-08-27 07:52:49,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 137.16666666666666) internal successors, (2469), 18 states have internal predecessors, (2469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:52:49,772 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 07:52:49,773 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 07:52:49,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-27 07:52:49,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-27 07:52:49,979 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2023-08-27 07:52:49,979 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 07:52:49,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1198726410, now seen corresponding path program 1 times [2023-08-27 07:52:49,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 07:52:49,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585947796] [2023-08-27 07:52:49,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 07:52:49,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 07:52:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 07:52:50,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-27 07:52:50,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 07:52:50,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585947796] [2023-08-27 07:52:50,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585947796] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-27 07:52:50,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422364368] [2023-08-27 07:52:50,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 07:52:50,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-27 07:52:50,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 07:52:50,271 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) [2023-08-27 07:52:50,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-08-27 07:52:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 07:52:50,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 25 conjunts are in the unsatisfiable core [2023-08-27 07:52:50,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-27 07:52:50,664 INFO L351 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 11 treesize of output 7 [2023-08-27 07:52:50,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-27 07:52:50,688 INFO L351 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 16 treesize of output 18 [2023-08-27 07:52:50,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-27 07:52:50,699 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-27 07:52:50,728 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_275 (Array Int Int))) (< 0 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_275) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) 9223372039002259456))) is different from false [2023-08-27 07:52:50,735 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-27 07:52:50,736 INFO L351 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 25 [2023-08-27 07:52:50,742 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-27 07:52:50,742 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 35 [2023-08-27 07:52:50,746 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 5 [2023-08-27 07:52:50,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 1 not checked. [2023-08-27 07:52:50,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422364368] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-27 07:52:50,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-27 07:52:50,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2023-08-27 07:52:50,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021081897] [2023-08-27 07:52:50,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-27 07:52:50,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-08-27 07:52:50,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 07:52:50,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-08-27 07:52:50,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=125, Unknown=1, NotChecked=22, Total=182 [2023-08-27 07:52:50,777 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 478 [2023-08-27 07:52:50,779 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 75 transitions, 317 flow. Second operand has 14 states, 14 states have (on average 141.35714285714286) internal successors, (1979), 14 states have internal predecessors, (1979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:52:50,779 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 07:52:50,779 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 478 [2023-08-27 07:52:50,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 07:52:56,001 INFO L124 PetriNetUnfolderBase]: 25725/33427 cut-off events. [2023-08-27 07:52:56,001 INFO L125 PetriNetUnfolderBase]: For 4298/4298 co-relation queries the response was YES. [2023-08-27 07:52:56,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71714 conditions, 33427 events. 25725/33427 cut-off events. For 4298/4298 co-relation queries the response was YES. Maximal size of possible extension queue 4994. Compared 209804 event pairs, 7104 based on Foata normal form. 0/9365 useless extension candidates. Maximal degree in co-relation 71654. Up to 20137 conditions per place. [2023-08-27 07:52:56,157 INFO L140 encePairwiseOnDemand]: 460/478 looper letters, 74 selfloop transitions, 34 changer transitions 0/110 dead transitions. [2023-08-27 07:52:56,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 110 transitions, 624 flow [2023-08-27 07:52:56,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-27 07:52:56,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-27 07:52:56,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1353 transitions. [2023-08-27 07:52:56,161 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.31450488145048816 [2023-08-27 07:52:56,161 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1353 transitions. [2023-08-27 07:52:56,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1353 transitions. [2023-08-27 07:52:56,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 07:52:56,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1353 transitions. [2023-08-27 07:52:56,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 150.33333333333334) internal successors, (1353), 9 states have internal predecessors, (1353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:52:56,169 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 478.0) internal successors, (4780), 10 states have internal predecessors, (4780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:52:56,170 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 478.0) internal successors, (4780), 10 states have internal predecessors, (4780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:52:56,170 INFO L175 Difference]: Start difference. First operand has 72 places, 75 transitions, 317 flow. Second operand 9 states and 1353 transitions. [2023-08-27 07:52:56,170 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 110 transitions, 624 flow [2023-08-27 07:52:56,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 110 transitions, 622 flow, removed 1 selfloop flow, removed 0 redundant places. [2023-08-27 07:52:56,174 INFO L231 Difference]: Finished difference. Result has 82 places, 84 transitions, 435 flow [2023-08-27 07:52:56,175 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=435, PETRI_PLACES=82, PETRI_TRANSITIONS=84} [2023-08-27 07:52:56,175 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 5 predicate places. [2023-08-27 07:52:56,175 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 84 transitions, 435 flow [2023-08-27 07:52:56,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 141.35714285714286) internal successors, (1979), 14 states have internal predecessors, (1979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 07:52:56,176 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 07:52:56,176 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 07:52:56,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-08-27 07:52:56,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-27 07:52:56,383 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2023-08-27 07:52:56,383 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 07:52:56,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1198726414, now seen corresponding path program 1 times [2023-08-27 07:52:56,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 07:52:56,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901442611] [2023-08-27 07:52:56,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 07:52:56,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 07:52:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 07:52:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 07:52:56,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 07:52:56,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901442611] [2023-08-27 07:52:56,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901442611] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-27 07:52:56,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425092380] [2023-08-27 07:52:56,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 07:52:56,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-27 07:52:56,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 07:52:56,735 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) [2023-08-27 07:52:56,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-08-27 07:52:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 07:52:57,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 24 conjunts are in the unsatisfiable core [2023-08-27 07:52:57,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-27 07:52:57,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-27 07:52:57,181 INFO L322 Elim1Store]: treesize reduction 56, result has 37.8 percent of original size [2023-08-27 07:52:57,181 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 39 [2023-08-27 07:52:57,215 INFO L351 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 11 treesize of output 7 [2023-08-27 07:52:57,249 INFO L322 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-08-27 07:52:57,249 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-08-27 07:52:57,273 INFO L351 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 14 treesize of output 16 [2023-08-27 07:52:57,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-27 07:52:57,290 INFO L351 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 14 treesize of output 16 [2023-08-27 07:52:57,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 07:52:57,298 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-27 07:52:59,413 WARN L839 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_327 (Array Int Int)) (~B~0.offset Int) (~B~0.base Int)) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_327))) (let ((.cse0 (select (select .cse1 ~B~0.base) ~B~0.offset))) (or (< (+ 9223372039002259455 .cse0) 0) (<= (+ .cse0 (select (select .cse1 c_~A~0.base) c_~A~0.offset)) 2147483647) (<= 0 .cse0))))) (forall ((v_ArrVal_327 (Array Int Int)) (~B~0.offset Int) (~B~0.base Int)) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_327))) (let ((.cse2 (select (select .cse3 ~B~0.base) ~B~0.offset))) (or (< .cse2 0) (< 0 .cse2) (<= (+ .cse2 (select (select .cse3 c_~A~0.base) c_~A~0.offset)) 2147483647)))))) is different from false [2023-08-27 07:52:59,587 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-27 07:52:59,587 INFO L351 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 215 treesize of output 132 [2023-08-27 07:52:59,639 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-27 07:52:59,640 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2261 treesize of output 2108 [2023-08-27 07:52:59,699 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-27 07:52:59,700 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 765 treesize of output 754 [2023-08-27 07:52:59,734 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-27 07:52:59,734 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 745 treesize of output 714 [2023-08-27 07:52:59,760 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-27 07:52:59,760 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 705 treesize of output 694 [2023-08-27 07:52:59,786 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-27 07:52:59,787 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 685 treesize of output 654 [2023-08-27 08:00:23,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2023-08-27 08:00:23,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425092380] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-27 08:00:23,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-27 08:00:23,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2023-08-27 08:00:23,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072688338] [2023-08-27 08:00:23,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-27 08:00:23,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-08-27 08:00:23,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 08:00:23,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-08-27 08:00:23,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=211, Unknown=7, NotChecked=30, Total=306 [2023-08-27 08:00:23,250 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 478 [2023-08-27 08:00:23,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 84 transitions, 435 flow. Second operand has 18 states, 18 states have (on average 137.16666666666666) internal successors, (2469), 18 states have internal predecessors, (2469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 08:00:23,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 08:00:23,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 478 [2023-08-27 08:00:23,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 08:00:25,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:00:27,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:00:29,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:00:31,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:00:33,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:00:35,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:00:37,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:00:39,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:00:41,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:00:43,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:00:45,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:00:47,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:00:49,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:00:51,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:00:53,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:00:56,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:00:58,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:01:00,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:01:02,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:01:04,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:01:06,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:01:08,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:01:10,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:01:12,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:01:14,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:01:16,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-08-27 08:01:20,701 INFO L124 PetriNetUnfolderBase]: 24307/31996 cut-off events. [2023-08-27 08:01:20,701 INFO L125 PetriNetUnfolderBase]: For 15195/15195 co-relation queries the response was YES. [2023-08-27 08:01:20,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72165 conditions, 31996 events. 24307/31996 cut-off events. For 15195/15195 co-relation queries the response was YES. Maximal size of possible extension queue 4940. Compared 205894 event pairs, 11066 based on Foata normal form. 1/10051 useless extension candidates. Maximal degree in co-relation 72098. Up to 29061 conditions per place. [2023-08-27 08:01:20,833 INFO L140 encePairwiseOnDemand]: 468/478 looper letters, 92 selfloop transitions, 17 changer transitions 0/111 dead transitions. [2023-08-27 08:01:20,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 111 transitions, 723 flow [2023-08-27 08:01:20,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-27 08:01:20,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-27 08:01:20,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1179 transitions. [2023-08-27 08:01:20,837 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.30831589958158995 [2023-08-27 08:01:20,837 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1179 transitions. [2023-08-27 08:01:20,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1179 transitions. [2023-08-27 08:01:20,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 08:01:20,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1179 transitions. [2023-08-27 08:01:20,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 147.375) internal successors, (1179), 8 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 08:01:20,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 478.0) internal successors, (4302), 9 states have internal predecessors, (4302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 08:01:20,844 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 478.0) internal successors, (4302), 9 states have internal predecessors, (4302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 08:01:20,844 INFO L175 Difference]: Start difference. First operand has 82 places, 84 transitions, 435 flow. Second operand 8 states and 1179 transitions. [2023-08-27 08:01:20,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 111 transitions, 723 flow [2023-08-27 08:01:20,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 111 transitions, 699 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-08-27 08:01:20,860 INFO L231 Difference]: Finished difference. Result has 86 places, 85 transitions, 459 flow [2023-08-27 08:01:20,861 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=459, PETRI_PLACES=86, PETRI_TRANSITIONS=85} [2023-08-27 08:01:20,861 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 9 predicate places. [2023-08-27 08:01:20,861 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 85 transitions, 459 flow [2023-08-27 08:01:20,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 137.16666666666666) internal successors, (2469), 18 states have internal predecessors, (2469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 08:01:20,862 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 08:01:20,862 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1] [2023-08-27 08:01:20,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-08-27 08:01:21,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-08-27 08:01:21,071 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2023-08-27 08:01:21,071 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 08:01:21,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1198872948, now seen corresponding path program 1 times [2023-08-27 08:01:21,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 08:01:21,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573972962] [2023-08-27 08:01:21,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 08:01:21,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 08:01:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 08:01:21,210 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-27 08:01:21,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 08:01:21,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573972962] [2023-08-27 08:01:21,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573972962] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-27 08:01:21,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856115762] [2023-08-27 08:01:21,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 08:01:21,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-27 08:01:21,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 08:01:21,213 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) [2023-08-27 08:01:21,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-08-27 08:01:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 08:01:21,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 10 conjunts are in the unsatisfiable core [2023-08-27 08:01:21,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-27 08:01:21,674 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-27 08:01:21,674 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-27 08:01:21,727 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-27 08:01:21,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856115762] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-27 08:01:21,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-27 08:01:21,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 14 [2023-08-27 08:01:21,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962091451] [2023-08-27 08:01:21,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-27 08:01:21,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-08-27 08:01:21,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 08:01:21,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-08-27 08:01:21,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2023-08-27 08:01:21,731 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 478 [2023-08-27 08:01:21,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 85 transitions, 459 flow. Second operand has 15 states, 15 states have (on average 153.26666666666668) internal successors, (2299), 15 states have internal predecessors, (2299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 08:01:21,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 08:01:21,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 478 [2023-08-27 08:01:21,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-27 08:01:31,833 INFO L124 PetriNetUnfolderBase]: 47621/62990 cut-off events. [2023-08-27 08:01:31,833 INFO L125 PetriNetUnfolderBase]: For 33766/33766 co-relation queries the response was YES. [2023-08-27 08:01:31,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142103 conditions, 62990 events. 47621/62990 cut-off events. For 33766/33766 co-relation queries the response was YES. Maximal size of possible extension queue 8151. Compared 432508 event pairs, 25392 based on Foata normal form. 1/19532 useless extension candidates. Maximal degree in co-relation 142036. Up to 31185 conditions per place. [2023-08-27 08:01:32,121 INFO L140 encePairwiseOnDemand]: 472/478 looper letters, 131 selfloop transitions, 13 changer transitions 0/148 dead transitions. [2023-08-27 08:01:32,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 148 transitions, 1041 flow [2023-08-27 08:01:32,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-27 08:01:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-27 08:01:32,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1315 transitions. [2023-08-27 08:01:32,124 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3438807531380753 [2023-08-27 08:01:32,125 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1315 transitions. [2023-08-27 08:01:32,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1315 transitions. [2023-08-27 08:01:32,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-27 08:01:32,125 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1315 transitions. [2023-08-27 08:01:32,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 164.375) internal successors, (1315), 8 states have internal predecessors, (1315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 08:01:32,131 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 478.0) internal successors, (4302), 9 states have internal predecessors, (4302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 08:01:32,132 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 478.0) internal successors, (4302), 9 states have internal predecessors, (4302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 08:01:32,132 INFO L175 Difference]: Start difference. First operand has 86 places, 85 transitions, 459 flow. Second operand 8 states and 1315 transitions. [2023-08-27 08:01:32,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 148 transitions, 1041 flow [2023-08-27 08:01:32,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 148 transitions, 1008 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-08-27 08:01:32,227 INFO L231 Difference]: Finished difference. Result has 89 places, 87 transitions, 478 flow [2023-08-27 08:01:32,228 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=478, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=478, PETRI_PLACES=89, PETRI_TRANSITIONS=87} [2023-08-27 08:01:32,228 INFO L281 CegarLoopForPetriNet]: 77 programPoint places, 12 predicate places. [2023-08-27 08:01:32,228 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 87 transitions, 478 flow [2023-08-27 08:01:32,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 153.26666666666668) internal successors, (2299), 15 states have internal predecessors, (2299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 08:01:32,230 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-27 08:01:32,230 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 08:01:32,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-08-27 08:01:32,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-27 08:01:32,440 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2023-08-27 08:01:32,441 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-27 08:01:32,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1198726411, now seen corresponding path program 1 times [2023-08-27 08:01:32,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-27 08:01:32,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527936393] [2023-08-27 08:01:32,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 08:01:32,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-27 08:01:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 08:01:32,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-27 08:01:32,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-27 08:01:32,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527936393] [2023-08-27 08:01:32,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527936393] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-27 08:01:32,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903933071] [2023-08-27 08:01:32,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-27 08:01:32,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-27 08:01:32,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 08:01:32,641 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-27 08:01:32,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-08-27 08:01:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-27 08:01:32,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 25 conjunts are in the unsatisfiable core [2023-08-27 08:01:32,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-27 08:01:33,018 INFO L351 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 11 treesize of output 7 [2023-08-27 08:01:33,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-27 08:01:33,039 INFO L351 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 14 treesize of output 16 [2023-08-27 08:01:33,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-27 08:01:33,057 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-27 08:01:33,084 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_430 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_430) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) 4294967296)) is different from false [2023-08-27 08:01:33,089 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-27 08:01:33,090 INFO L351 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2023-08-27 08:01:33,094 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-08-27 08:01:33,095 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2023-08-27 08:01:33,096 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2023-08-27 08:01:33,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 1 not checked. [2023-08-27 08:01:33,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903933071] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-27 08:01:33,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-27 08:01:33,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2023-08-27 08:01:33,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900443621] [2023-08-27 08:01:33,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-27 08:01:33,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-08-27 08:01:33,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-27 08:01:33,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-08-27 08:01:33,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=147, Unknown=1, NotChecked=24, Total=210 [2023-08-27 08:01:33,129 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 478 [2023-08-27 08:01:33,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 87 transitions, 478 flow. Second operand has 15 states, 15 states have (on average 141.4) internal successors, (2121), 15 states have internal predecessors, (2121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-27 08:01:33,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-27 08:01:33,130 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 478 [2023-08-27 08:01:33,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2023-08-27 08:01:35,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-27 08:01:35,405 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 92 remaining) [2023-08-27 08:01:35,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-08-27 08:01:35,441 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 [2023-08-27 08:01:35,441 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-08-27 08:01:35,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-27 08:01:35,612 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). [2023-08-27 08:01:35,614 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 92 remaining) [2023-08-27 08:01:35,614 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 92 remaining) [2023-08-27 08:01:35,614 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 92 remaining) [2023-08-27 08:01:35,614 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 92 remaining) [2023-08-27 08:01:35,614 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 92 remaining) [2023-08-27 08:01:35,614 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 92 remaining) [2023-08-27 08:01:35,614 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 92 remaining) [2023-08-27 08:01:35,614 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 92 remaining) [2023-08-27 08:01:35,614 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 92 remaining) [2023-08-27 08:01:35,615 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 92 remaining) [2023-08-27 08:01:35,615 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 92 remaining) [2023-08-27 08:01:35,615 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 92 remaining) [2023-08-27 08:01:35,615 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 92 remaining) [2023-08-27 08:01:35,615 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 92 remaining) [2023-08-27 08:01:35,615 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 92 remaining) [2023-08-27 08:01:35,615 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 92 remaining) [2023-08-27 08:01:35,615 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 92 remaining) [2023-08-27 08:01:35,615 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 92 remaining) [2023-08-27 08:01:35,615 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 92 remaining) [2023-08-27 08:01:35,615 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 92 remaining) [2023-08-27 08:01:35,616 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 92 remaining) [2023-08-27 08:01:35,616 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 92 remaining) [2023-08-27 08:01:35,616 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 92 remaining) [2023-08-27 08:01:35,616 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 92 remaining) [2023-08-27 08:01:35,616 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 92 remaining) [2023-08-27 08:01:35,616 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 92 remaining) [2023-08-27 08:01:35,616 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 92 remaining) [2023-08-27 08:01:35,616 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 92 remaining) [2023-08-27 08:01:35,616 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 92 remaining) [2023-08-27 08:01:35,616 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 92 remaining) [2023-08-27 08:01:35,616 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 92 remaining) [2023-08-27 08:01:35,617 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 92 remaining) [2023-08-27 08:01:35,617 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 92 remaining) [2023-08-27 08:01:35,617 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 92 remaining) [2023-08-27 08:01:35,617 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 92 remaining) [2023-08-27 08:01:35,617 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 92 remaining) [2023-08-27 08:01:35,617 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 92 remaining) [2023-08-27 08:01:35,617 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 92 remaining) [2023-08-27 08:01:35,617 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 92 remaining) [2023-08-27 08:01:35,617 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 92 remaining) [2023-08-27 08:01:35,617 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 92 remaining) [2023-08-27 08:01:35,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 92 remaining) [2023-08-27 08:01:35,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 92 remaining) [2023-08-27 08:01:35,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 92 remaining) [2023-08-27 08:01:35,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 92 remaining) [2023-08-27 08:01:35,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 92 remaining) [2023-08-27 08:01:35,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONASSERT (44 of 92 remaining) [2023-08-27 08:01:35,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 92 remaining) [2023-08-27 08:01:35,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 92 remaining) [2023-08-27 08:01:35,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 92 remaining) [2023-08-27 08:01:35,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 92 remaining) [2023-08-27 08:01:35,618 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 92 remaining) [2023-08-27 08:01:35,619 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 92 remaining) [2023-08-27 08:01:35,619 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 92 remaining) [2023-08-27 08:01:35,619 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 92 remaining) [2023-08-27 08:01:35,619 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 92 remaining) [2023-08-27 08:01:35,619 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 92 remaining) [2023-08-27 08:01:35,619 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 92 remaining) [2023-08-27 08:01:35,619 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 92 remaining) [2023-08-27 08:01:35,619 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 92 remaining) [2023-08-27 08:01:35,619 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 92 remaining) [2023-08-27 08:01:35,619 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 92 remaining) [2023-08-27 08:01:35,619 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 92 remaining) [2023-08-27 08:01:35,620 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 92 remaining) [2023-08-27 08:01:35,620 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 92 remaining) [2023-08-27 08:01:35,620 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 92 remaining) [2023-08-27 08:01:35,620 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 92 remaining) [2023-08-27 08:01:35,620 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 92 remaining) [2023-08-27 08:01:35,620 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 92 remaining) [2023-08-27 08:01:35,620 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 92 remaining) [2023-08-27 08:01:35,620 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 92 remaining) [2023-08-27 08:01:35,620 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 92 remaining) [2023-08-27 08:01:35,620 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 92 remaining) [2023-08-27 08:01:35,621 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 92 remaining) [2023-08-27 08:01:35,621 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 92 remaining) [2023-08-27 08:01:35,621 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 92 remaining) [2023-08-27 08:01:35,621 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 92 remaining) [2023-08-27 08:01:35,621 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 92 remaining) [2023-08-27 08:01:35,621 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 92 remaining) [2023-08-27 08:01:35,621 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 92 remaining) [2023-08-27 08:01:35,621 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 92 remaining) [2023-08-27 08:01:35,621 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 92 remaining) [2023-08-27 08:01:35,621 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 92 remaining) [2023-08-27 08:01:35,621 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 92 remaining) [2023-08-27 08:01:35,622 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 92 remaining) [2023-08-27 08:01:35,622 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 92 remaining) [2023-08-27 08:01:35,622 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 92 remaining) [2023-08-27 08:01:35,622 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 92 remaining) [2023-08-27 08:01:35,622 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 92 remaining) [2023-08-27 08:01:35,622 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 92 remaining) [2023-08-27 08:01:35,622 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread3Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 92 remaining) [2023-08-27 08:01:35,622 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-27 08:01:35,627 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-27 08:01:35,627 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-27 08:01:35,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 08:01:35 BasicIcfg [2023-08-27 08:01:35,630 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-27 08:01:35,630 INFO L158 Benchmark]: Toolchain (without parser) took 827371.22ms. Allocated memory was 369.1MB in the beginning and 5.6GB in the end (delta: 5.2GB). Free memory was 327.1MB in the beginning and 3.9GB in the end (delta: -3.6GB). Peak memory consumption was 2.9GB. Max. memory is 16.0GB. [2023-08-27 08:01:35,630 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 369.1MB. Free memory was 347.1MB in the beginning and 346.9MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-27 08:01:35,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.54ms. Allocated memory is still 369.1MB. Free memory was 327.1MB in the beginning and 315.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-08-27 08:01:35,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.41ms. Allocated memory is still 369.1MB. Free memory was 315.6MB in the beginning and 312.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-27 08:01:35,631 INFO L158 Benchmark]: Boogie Preprocessor took 43.53ms. Allocated memory is still 369.1MB. Free memory was 312.5MB in the beginning and 310.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-27 08:01:35,631 INFO L158 Benchmark]: RCFGBuilder took 1984.84ms. Allocated memory is still 369.1MB. Free memory was 310.4MB in the beginning and 161.5MB in the end (delta: 148.9MB). Peak memory consumption was 188.7MB. Max. memory is 16.0GB. [2023-08-27 08:01:35,631 INFO L158 Benchmark]: TraceAbstraction took 825046.03ms. Allocated memory was 369.1MB in the beginning and 5.6GB in the end (delta: 5.2GB). Free memory was 160.4MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 2.7GB. Max. memory is 16.0GB. [2023-08-27 08:01:35,632 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 369.1MB. Free memory was 347.1MB in the beginning and 346.9MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 248.54ms. Allocated memory is still 369.1MB. Free memory was 327.1MB in the beginning and 315.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 43.41ms. Allocated memory is still 369.1MB. Free memory was 315.6MB in the beginning and 312.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 43.53ms. Allocated memory is still 369.1MB. Free memory was 312.5MB in the beginning and 310.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 1984.84ms. Allocated memory is still 369.1MB. Free memory was 310.4MB in the beginning and 161.5MB in the end (delta: 148.9MB). Peak memory consumption was 188.7MB. Max. memory is 16.0GB. * TraceAbstraction took 825046.03ms. Allocated memory was 369.1MB in the beginning and 5.6GB in the end (delta: 5.2GB). Free memory was 160.4MB in the beginning and 3.9GB in the end (delta: -3.8GB). Peak memory consumption was 2.7GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 42.1s, 222 PlacesBefore, 77 PlacesAfterwards, 228 TransitionsBefore, 72 TransitionsAfterwards, 6318 CoEnabledTransitionPairs, 7 FixpointIterations, 116 TrivialSequentialCompositions, 82 ConcurrentSequentialCompositions, 21 TrivialYvCompositions, 6 ConcurrentYvCompositions, 11 ChoiceCompositions, 236 TotalNumberOfCompositions, 8301 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7527, independent: 7499, independent conditional: 0, independent unconditional: 7499, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2801, independent: 2787, independent conditional: 0, independent unconditional: 2787, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 7527, independent: 4712, independent conditional: 0, independent unconditional: 4712, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 2801, unknown conditional: 0, unknown unconditional: 2801] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 262, Positive conditional cache size: 0, Positive unconditional cache size: 262, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 48]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 114]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 115]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 116]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (15states, 140/478 universal loopers) in iteration 12,while PetriNetUnfolder was constructing finite prefix that currently has 27592 conditions, 11471 events (9020/11470 cut-off events. For 8563/8563 co-relation queries the response was YES. Maximal size of possible extension queue 5482. Compared 80321 event pairs, 3364 based on Foata normal form. 2/5236 useless extension candidates. Maximal degree in co-relation 27522. Up to 7206 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 308 locations, 92 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: 824.6s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 162.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 42.3s, HoareTripleCheckerStatistics: 53 mSolverCounterUnknown, 592 SdHoareTripleChecker+Valid, 109.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 592 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 108.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 444 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3479 IncrementalHoareTripleChecker+Invalid, 4090 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 6 mSDtfsCounter, 3479 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 34 SyntacticMatches, 7 SemanticMatches, 107 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=478occurred in iteration=11, InterpolantAutomatonStates: 58, 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, 615.0s InterpolantComputationTime, 123 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 141 ConstructedInterpolants, 16 QuantifiedInterpolants, 2201 SizeOfPredicates, 35 NumberOfNonLiveVariables, 1173 ConjunctsInSsa, 118 ConjunctsInUnsatCore, 25 InterpolantComputations, 6 PerfectInterpolantSequences, 46/83 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