/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-wmm/mix047_power.oepc_pso.oepc_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:42:38,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:42:38,752 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2023-11-30 06:42:38,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:42:38,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:42:38,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:42:38,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:42:38,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:42:38,770 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:42:38,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:42:38,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:42:38,770 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:42:38,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:42:38,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:42:38,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:42:38,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:42:38,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:42:38,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:42:38,772 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:42:38,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:42:38,773 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:42:38,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:42:38,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:42:38,777 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:42:38,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:42:38,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:42:38,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:42:38,778 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:42:38,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:42:38,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:42:38,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:42:38,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:42:38,779 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:42:38,780 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:42:38,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:42:38,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:42:38,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:42:38,990 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:42:38,991 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:42:38,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_power.oepc_pso.oepc_rmo.oepc.i [2023-11-30 06:42:40,007 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:42:40,208 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:42:40,209 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_power.oepc_pso.oepc_rmo.oepc.i [2023-11-30 06:42:40,226 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2597fcb/dacbc4a37bd64c9daa58c7937f8df9d4/FLAGc67407871 [2023-11-30 06:42:40,237 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2597fcb/dacbc4a37bd64c9daa58c7937f8df9d4 [2023-11-30 06:42:40,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:42:40,242 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:42:40,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:42:40,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:42:40,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:42:40,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:42:40" (1/1) ... [2023-11-30 06:42:40,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246fa391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:40, skipping insertion in model container [2023-11-30 06:42:40,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:42:40" (1/1) ... [2023-11-30 06:42:40,289 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:42:40,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:42:40,561 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:42:40,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:42:40,637 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:42:40,637 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:42:40,642 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:42:40,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:40 WrapperNode [2023-11-30 06:42:40,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:42:40,645 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:42:40,645 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:42:40,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:42:40,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:40" (1/1) ... [2023-11-30 06:42:40,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:40" (1/1) ... [2023-11-30 06:42:40,711 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 151 [2023-11-30 06:42:40,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:42:40,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:42:40,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:42:40,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:42:40,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:40" (1/1) ... [2023-11-30 06:42:40,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:40" (1/1) ... [2023-11-30 06:42:40,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:40" (1/1) ... [2023-11-30 06:42:40,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:40" (1/1) ... [2023-11-30 06:42:40,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:40" (1/1) ... [2023-11-30 06:42:40,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:40" (1/1) ... [2023-11-30 06:42:40,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:40" (1/1) ... [2023-11-30 06:42:40,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:40" (1/1) ... [2023-11-30 06:42:40,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:42:40,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:42:40,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:42:40,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:42:40,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:40" (1/1) ... [2023-11-30 06:42:40,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:42:40,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:42:40,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-30 06:42:40,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-30 06:42:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:42:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:42:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:42:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:42:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:42:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-30 06:42:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-30 06:42:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-30 06:42:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-30 06:42:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-30 06:42:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-30 06:42:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-30 06:42:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-30 06:42:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:42:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:42:40,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:42:40,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:42:40,813 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 06:42:40,904 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:42:40,905 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:42:41,193 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:42:41,280 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:42:41,281 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:42:41,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:42:41 BoogieIcfgContainer [2023-11-30 06:42:41,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:42:41,285 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:42:41,285 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:42:41,287 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:42:41,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:42:40" (1/3) ... [2023-11-30 06:42:41,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663dc73f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:42:41, skipping insertion in model container [2023-11-30 06:42:41,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:40" (2/3) ... [2023-11-30 06:42:41,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663dc73f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:42:41, skipping insertion in model container [2023-11-30 06:42:41,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:42:41" (3/3) ... [2023-11-30 06:42:41,290 INFO L112 eAbstractionObserver]: Analyzing ICFG mix047_power.oepc_pso.oepc_rmo.oepc.i [2023-11-30 06:42:41,302 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:42:41,302 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-30 06:42:41,303 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:42:41,375 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 06:42:41,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 155 places, 145 transitions, 306 flow [2023-11-30 06:42:41,497 INFO L124 PetriNetUnfolderBase]: 3/141 cut-off events. [2023-11-30 06:42:41,498 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:42:41,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 141 events. 3/141 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 112 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 104. Up to 2 conditions per place. [2023-11-30 06:42:41,502 INFO L82 GeneralOperation]: Start removeDead. Operand has 155 places, 145 transitions, 306 flow [2023-11-30 06:42:41,508 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 151 places, 141 transitions, 294 flow [2023-11-30 06:42:41,522 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:42:41,527 INFO L362 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@487a6918, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:42:41,528 INFO L363 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-30 06:42:41,541 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:42:41,541 INFO L124 PetriNetUnfolderBase]: 0/52 cut-off events. [2023-11-30 06:42:41,541 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:42:41,542 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:41,542 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:42:41,543 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:41,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:41,547 INFO L85 PathProgramCache]: Analyzing trace with hash 133894724, now seen corresponding path program 1 times [2023-11-30 06:42:41,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:41,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226695290] [2023-11-30 06:42:41,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:41,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:41,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:42:41,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:41,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226695290] [2023-11-30 06:42:41,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226695290] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:41,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:41,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 06:42:41,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706904613] [2023-11-30 06:42:41,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:41,866 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 06:42:41,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:41,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 06:42:41,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 06:42:41,897 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 145 [2023-11-30 06:42:41,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 141 transitions, 294 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:41,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:41,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 145 [2023-11-30 06:42:41,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:42,956 INFO L124 PetriNetUnfolderBase]: 4102/7337 cut-off events. [2023-11-30 06:42:42,956 INFO L125 PetriNetUnfolderBase]: For 103/103 co-relation queries the response was YES. [2023-11-30 06:42:42,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13362 conditions, 7337 events. 4102/7337 cut-off events. For 103/103 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 57968 event pairs, 1225 based on Foata normal form. 361/5349 useless extension candidates. Maximal degree in co-relation 13309. Up to 5438 conditions per place. [2023-11-30 06:42:43,023 INFO L140 encePairwiseOnDemand]: 129/145 looper letters, 35 selfloop transitions, 5 changer transitions 0/150 dead transitions. [2023-11-30 06:42:43,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 150 transitions, 401 flow [2023-11-30 06:42:43,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 06:42:43,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 06:42:43,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 402 transitions. [2023-11-30 06:42:43,036 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9241379310344827 [2023-11-30 06:42:43,036 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 402 transitions. [2023-11-30 06:42:43,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 402 transitions. [2023-11-30 06:42:43,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:43,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 402 transitions. [2023-11-30 06:42:43,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 134.0) internal successors, (402), 3 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:43,048 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:43,048 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 145.0) internal successors, (580), 4 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:43,051 INFO L307 CegarLoopForPetriNet]: 151 programPoint places, -1 predicate places. [2023-11-30 06:42:43,051 INFO L500 AbstractCegarLoop]: Abstraction has has 150 places, 150 transitions, 401 flow [2023-11-30 06:42:43,051 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:43,051 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:43,052 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:42:43,052 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:42:43,052 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:43,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:43,053 INFO L85 PathProgramCache]: Analyzing trace with hash 205057731, now seen corresponding path program 1 times [2023-11-30 06:42:43,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:43,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027299760] [2023-11-30 06:42:43,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:43,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:43,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:42:43,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:43,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027299760] [2023-11-30 06:42:43,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027299760] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:43,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:43,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:42:43,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224276346] [2023-11-30 06:42:43,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:43,223 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:42:43,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:43,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:42:43,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:42:43,225 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 145 [2023-11-30 06:42:43,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 150 transitions, 401 flow. Second operand has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:43,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:43,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 145 [2023-11-30 06:42:43,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:43,812 INFO L124 PetriNetUnfolderBase]: 2267/4546 cut-off events. [2023-11-30 06:42:43,812 INFO L125 PetriNetUnfolderBase]: For 388/10860 co-relation queries the response was YES. [2023-11-30 06:42:43,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11139 conditions, 4546 events. 2267/4546 cut-off events. For 388/10860 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 35521 event pairs, 553 based on Foata normal form. 32/3708 useless extension candidates. Maximal degree in co-relation 11083. Up to 2843 conditions per place. [2023-11-30 06:42:43,851 INFO L140 encePairwiseOnDemand]: 136/145 looper letters, 31 selfloop transitions, 5 changer transitions 0/146 dead transitions. [2023-11-30 06:42:43,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 146 transitions, 457 flow [2023-11-30 06:42:43,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:42:43,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:42:43,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 504 transitions. [2023-11-30 06:42:43,852 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8689655172413793 [2023-11-30 06:42:43,852 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 504 transitions. [2023-11-30 06:42:43,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 504 transitions. [2023-11-30 06:42:43,853 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:43,853 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 504 transitions. [2023-11-30 06:42:43,854 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:43,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:43,856 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:43,856 INFO L307 CegarLoopForPetriNet]: 151 programPoint places, -2 predicate places. [2023-11-30 06:42:43,856 INFO L500 AbstractCegarLoop]: Abstraction has has 149 places, 146 transitions, 457 flow [2023-11-30 06:42:43,857 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:43,857 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:43,857 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:42:43,857 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:42:43,857 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:43,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:43,858 INFO L85 PathProgramCache]: Analyzing trace with hash 205057732, now seen corresponding path program 1 times [2023-11-30 06:42:43,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:43,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579117376] [2023-11-30 06:42:43,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:43,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:43,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:42:43,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:43,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579117376] [2023-11-30 06:42:43,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579117376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:43,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:43,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:42:43,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807455127] [2023-11-30 06:42:43,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:43,962 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:42:43,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:43,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:42:43,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:42:43,967 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 145 [2023-11-30 06:42:43,967 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 146 transitions, 457 flow. Second operand has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:43,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:43,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 145 [2023-11-30 06:42:43,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:44,411 INFO L124 PetriNetUnfolderBase]: 1367/3708 cut-off events. [2023-11-30 06:42:44,411 INFO L125 PetriNetUnfolderBase]: For 949/3967 co-relation queries the response was YES. [2023-11-30 06:42:44,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9753 conditions, 3708 events. 1367/3708 cut-off events. For 949/3967 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 30692 event pairs, 408 based on Foata normal form. 30/3374 useless extension candidates. Maximal degree in co-relation 9694. Up to 1600 conditions per place. [2023-11-30 06:42:44,446 INFO L140 encePairwiseOnDemand]: 136/145 looper letters, 41 selfloop transitions, 9 changer transitions 0/160 dead transitions. [2023-11-30 06:42:44,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 160 transitions, 647 flow [2023-11-30 06:42:44,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:42:44,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:42:44,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 518 transitions. [2023-11-30 06:42:44,447 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8931034482758621 [2023-11-30 06:42:44,447 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 518 transitions. [2023-11-30 06:42:44,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 518 transitions. [2023-11-30 06:42:44,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:44,448 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 518 transitions. [2023-11-30 06:42:44,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 129.5) internal successors, (518), 4 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:44,449 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:44,450 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 145.0) internal successors, (725), 5 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:44,451 INFO L307 CegarLoopForPetriNet]: 151 programPoint places, 1 predicate places. [2023-11-30 06:42:44,451 INFO L500 AbstractCegarLoop]: Abstraction has has 152 places, 160 transitions, 647 flow [2023-11-30 06:42:44,451 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:44,451 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:44,451 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:42:44,451 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:42:44,452 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:44,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:44,452 INFO L85 PathProgramCache]: Analyzing trace with hash -545226529, now seen corresponding path program 1 times [2023-11-30 06:42:44,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:44,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930113811] [2023-11-30 06:42:44,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:44,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:44,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:42:44,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:44,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930113811] [2023-11-30 06:42:44,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930113811] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:44,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:44,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 06:42:44,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2663655] [2023-11-30 06:42:44,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:44,544 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 06:42:44,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:44,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 06:42:44,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-30 06:42:44,545 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 145 [2023-11-30 06:42:44,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 160 transitions, 647 flow. Second operand has 5 states, 5 states have (on average 118.2) internal successors, (591), 5 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:44,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:44,546 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 145 [2023-11-30 06:42:44,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:44,985 INFO L124 PetriNetUnfolderBase]: 1184/2849 cut-off events. [2023-11-30 06:42:44,986 INFO L125 PetriNetUnfolderBase]: For 1121/5345 co-relation queries the response was YES. [2023-11-30 06:42:44,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9688 conditions, 2849 events. 1184/2849 cut-off events. For 1121/5345 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 21966 event pairs, 246 based on Foata normal form. 82/2789 useless extension candidates. Maximal degree in co-relation 9626. Up to 1306 conditions per place. [2023-11-30 06:42:45,013 INFO L140 encePairwiseOnDemand]: 136/145 looper letters, 46 selfloop transitions, 13 changer transitions 4/173 dead transitions. [2023-11-30 06:42:45,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 173 transitions, 880 flow [2023-11-30 06:42:45,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 06:42:45,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 06:42:45,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 647 transitions. [2023-11-30 06:42:45,014 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8924137931034483 [2023-11-30 06:42:45,015 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 647 transitions. [2023-11-30 06:42:45,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 647 transitions. [2023-11-30 06:42:45,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:45,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 647 transitions. [2023-11-30 06:42:45,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 129.4) internal successors, (647), 5 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:45,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 145.0) internal successors, (870), 6 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:45,017 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 145.0) internal successors, (870), 6 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:45,018 INFO L307 CegarLoopForPetriNet]: 151 programPoint places, 5 predicate places. [2023-11-30 06:42:45,018 INFO L500 AbstractCegarLoop]: Abstraction has has 156 places, 173 transitions, 880 flow [2023-11-30 06:42:45,018 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.2) internal successors, (591), 5 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:45,018 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:45,019 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:42:45,019 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 06:42:45,019 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:45,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:45,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1873029524, now seen corresponding path program 1 times [2023-11-30 06:42:45,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:45,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422765695] [2023-11-30 06:42:45,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:45,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:45,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 06:42:45,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:45,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422765695] [2023-11-30 06:42:45,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422765695] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:45,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:45,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 06:42:45,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368149020] [2023-11-30 06:42:45,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:45,185 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 06:42:45,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:45,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 06:42:45,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 06:42:45,188 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 145 [2023-11-30 06:42:45,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 173 transitions, 880 flow. Second operand has 6 states, 6 states have (on average 118.5) internal successors, (711), 6 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:45,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:45,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 145 [2023-11-30 06:42:45,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:45,694 INFO L124 PetriNetUnfolderBase]: 1176/3139 cut-off events. [2023-11-30 06:42:45,694 INFO L125 PetriNetUnfolderBase]: For 2445/5191 co-relation queries the response was YES. [2023-11-30 06:42:45,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11560 conditions, 3139 events. 1176/3139 cut-off events. For 2445/5191 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 24720 event pairs, 331 based on Foata normal form. 136/3116 useless extension candidates. Maximal degree in co-relation 11495. Up to 1286 conditions per place. [2023-11-30 06:42:45,703 INFO L140 encePairwiseOnDemand]: 136/145 looper letters, 0 selfloop transitions, 0 changer transitions 171/171 dead transitions. [2023-11-30 06:42:45,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 171 transitions, 982 flow [2023-11-30 06:42:45,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 06:42:45,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 06:42:45,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 761 transitions. [2023-11-30 06:42:45,705 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8747126436781609 [2023-11-30 06:42:45,705 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 761 transitions. [2023-11-30 06:42:45,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 761 transitions. [2023-11-30 06:42:45,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:45,706 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 761 transitions. [2023-11-30 06:42:45,707 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 126.83333333333333) internal successors, (761), 6 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:45,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:45,709 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 145.0) internal successors, (1015), 7 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:45,711 INFO L307 CegarLoopForPetriNet]: 151 programPoint places, 6 predicate places. [2023-11-30 06:42:45,711 INFO L500 AbstractCegarLoop]: Abstraction has has 157 places, 171 transitions, 982 flow [2023-11-30 06:42:45,712 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.5) internal successors, (711), 6 states have internal predecessors, (711), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:45,717 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix047_power.oepc_pso.oepc_rmo.oepc.i_BEv2_AllErrorsAtOnce [2023-11-30 06:42:45,741 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-30 06:42:45,741 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-30 06:42:45,741 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-30 06:42:45,741 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-30 06:42:45,741 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-30 06:42:45,742 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-30 06:42:45,744 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-30 06:42:45,745 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-30 06:42:45,745 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-30 06:42:45,745 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-30 06:42:45,745 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-30 06:42:45,749 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-30 06:42:45,749 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-30 06:42:45,749 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-30 06:42:45,750 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-30 06:42:45,750 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-30 06:42:45,750 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-30 06:42:45,750 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-30 06:42:45,750 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-30 06:42:45,750 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-30 06:42:45,750 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 06:42:45,751 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-30 06:42:45,755 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:42:45,755 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:42:45,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:42:45 BasicIcfg [2023-11-30 06:42:45,761 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:42:45,763 INFO L158 Benchmark]: Toolchain (without parser) took 5520.08ms. Allocated memory was 488.6MB in the beginning and 1.6GB in the end (delta: 1.1GB). Free memory was 449.0MB in the beginning and 1.3GB in the end (delta: -844.1MB). Peak memory consumption was 557.9MB. Max. memory is 16.0GB. [2023-11-30 06:42:45,767 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 331.4MB. Free memory was 283.1MB in the beginning and 283.0MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:42:45,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.34ms. Allocated memory is still 488.6MB. Free memory was 448.5MB in the beginning and 424.3MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-11-30 06:42:45,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.67ms. Allocated memory is still 488.6MB. Free memory was 424.3MB in the beginning and 421.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 06:42:45,768 INFO L158 Benchmark]: Boogie Preprocessor took 33.96ms. Allocated memory is still 488.6MB. Free memory was 421.8MB in the beginning and 419.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:42:45,768 INFO L158 Benchmark]: RCFGBuilder took 535.49ms. Allocated memory is still 488.6MB. Free memory was 419.7MB in the beginning and 375.7MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.0GB. [2023-11-30 06:42:45,768 INFO L158 Benchmark]: TraceAbstraction took 4475.81ms. Allocated memory was 488.6MB in the beginning and 1.6GB in the end (delta: 1.1GB). Free memory was 375.1MB in the beginning and 1.3GB in the end (delta: -918.0MB). Peak memory consumption was 484.5MB. Max. memory is 16.0GB. [2023-11-30 06:42:45,769 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 331.4MB. Free memory was 283.1MB in the beginning and 283.0MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 400.34ms. Allocated memory is still 488.6MB. Free memory was 448.5MB in the beginning and 424.3MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 66.67ms. Allocated memory is still 488.6MB. Free memory was 424.3MB in the beginning and 421.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 33.96ms. Allocated memory is still 488.6MB. Free memory was 421.8MB in the beginning and 419.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 535.49ms. Allocated memory is still 488.6MB. Free memory was 419.7MB in the beginning and 375.7MB in the end (delta: 44.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.0GB. * TraceAbstraction took 4475.81ms. Allocated memory was 488.6MB in the beginning and 1.6GB in the end (delta: 1.1GB). Free memory was 375.1MB in the beginning and 1.3GB in the end (delta: -918.0MB). Peak memory consumption was 484.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 813]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 813]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 852]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 852]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 189 locations, 20 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: 4.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 132 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 132 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 309 IncrementalHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 5 mSDtfsCounter, 309 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=982occurred in iteration=5, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 326 NumberOfCodeBlocks, 326 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 321 ConstructedInterpolants, 0 QuantifiedInterpolants, 903 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 06:42:45,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...