/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/safe027_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:45:28,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:45:28,331 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 06:45:28,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:45:28,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:45:28,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:45:28,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:45:28,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:45:28,361 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:45:28,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:45:28,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:45:28,362 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:45:28,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:45:28,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:45:28,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:45:28,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:45:28,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:45:28,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:45:28,363 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:45:28,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:45:28,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:45:28,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:45:28,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:45:28,365 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:45:28,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:45:28,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:45:28,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:45:28,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:45:28,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:45:28,366 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:45:28,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:45:28,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:45:28,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:45:28,367 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:45:28,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:45:28,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:45:28,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:45:28,572 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:45:28,572 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:45:28,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_power.opt.i [2023-11-30 06:45:29,528 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:45:29,736 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:45:29,737 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_power.opt.i [2023-11-30 06:45:29,752 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/443f7329c/d370426739354a2ebc79fd05f3d3914e/FLAG1988b6dbb [2023-11-30 06:45:29,764 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/443f7329c/d370426739354a2ebc79fd05f3d3914e [2023-11-30 06:45:29,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:45:29,766 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:45:29,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:45:29,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:45:29,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:45:29,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:45:29" (1/1) ... [2023-11-30 06:45:29,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19076735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:29, skipping insertion in model container [2023-11-30 06:45:29,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:45:29" (1/1) ... [2023-11-30 06:45:29,801 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:45:30,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:45:30,130 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:45:30,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:45:30,210 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:45:30,210 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:45:30,215 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:45:30,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:30 WrapperNode [2023-11-30 06:45:30,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:45:30,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:45:30,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:45:30,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:45:30,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:30" (1/1) ... [2023-11-30 06:45:30,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:30" (1/1) ... [2023-11-30 06:45:30,281 INFO L138 Inliner]: procedures = 177, calls = 89, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 202 [2023-11-30 06:45:30,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:45:30,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:45:30,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:45:30,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:45:30,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:30" (1/1) ... [2023-11-30 06:45:30,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:30" (1/1) ... [2023-11-30 06:45:30,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:30" (1/1) ... [2023-11-30 06:45:30,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:30" (1/1) ... [2023-11-30 06:45:30,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:30" (1/1) ... [2023-11-30 06:45:30,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:30" (1/1) ... [2023-11-30 06:45:30,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:30" (1/1) ... [2023-11-30 06:45:30,330 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:30" (1/1) ... [2023-11-30 06:45:30,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:45:30,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:45:30,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:45:30,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:45:30,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:30" (1/1) ... [2023-11-30 06:45:30,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:45:30,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:45:30,356 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 06:45:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 06:45:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:45:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:45:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:45:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:45:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:45:30,384 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 06:45:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-30 06:45:30,385 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-30 06:45:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-30 06:45:30,385 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-30 06:45:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-30 06:45:30,385 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-30 06:45:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-30 06:45:30,385 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-30 06:45:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:45:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:45:30,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:45:30,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:45:30,387 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 06:45:30,511 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:45:30,513 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:45:30,950 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:45:31,175 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:45:31,175 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:45:31,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:45:31 BoogieIcfgContainer [2023-11-30 06:45:31,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:45:31,179 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:45:31,179 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:45:31,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:45:31,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:45:29" (1/3) ... [2023-11-30 06:45:31,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c7292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:45:31, skipping insertion in model container [2023-11-30 06:45:31,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:45:30" (2/3) ... [2023-11-30 06:45:31,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63c7292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:45:31, skipping insertion in model container [2023-11-30 06:45:31,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:45:31" (3/3) ... [2023-11-30 06:45:31,183 INFO L112 eAbstractionObserver]: Analyzing ICFG safe027_power.opt.i [2023-11-30 06:45:31,195 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:45:31,195 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-30 06:45:31,195 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:45:31,253 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 06:45:31,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 171 places, 161 transitions, 338 flow [2023-11-30 06:45:31,325 INFO L124 PetriNetUnfolderBase]: 3/157 cut-off events. [2023-11-30 06:45:31,325 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:45:31,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170 conditions, 157 events. 3/157 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 95 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 100. Up to 2 conditions per place. [2023-11-30 06:45:31,331 INFO L82 GeneralOperation]: Start removeDead. Operand has 171 places, 161 transitions, 338 flow [2023-11-30 06:45:31,334 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 167 places, 157 transitions, 326 flow [2023-11-30 06:45:31,339 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:45:31,343 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;@67db16e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:45:31,343 INFO L363 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-30 06:45:31,363 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:45:31,363 INFO L124 PetriNetUnfolderBase]: 0/71 cut-off events. [2023-11-30 06:45:31,363 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:45:31,364 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:45:31,364 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] [2023-11-30 06:45:31,364 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 06:45:31,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:45:31,369 INFO L85 PathProgramCache]: Analyzing trace with hash 204161755, now seen corresponding path program 1 times [2023-11-30 06:45:31,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:45:31,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203335524] [2023-11-30 06:45:31,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:45:31,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:45:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:45:31,684 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 06:45:31,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:45:31,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203335524] [2023-11-30 06:45:31,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203335524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:45:31,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:45:31,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 06:45:31,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297989696] [2023-11-30 06:45:31,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:45:31,694 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 06:45:31,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:45:31,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 06:45:31,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 06:45:31,721 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 161 [2023-11-30 06:45:31,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 157 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:31,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:45:31,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 161 [2023-11-30 06:45:31,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:45:33,296 INFO L124 PetriNetUnfolderBase]: 5622/10179 cut-off events. [2023-11-30 06:45:33,296 INFO L125 PetriNetUnfolderBase]: For 118/118 co-relation queries the response was YES. [2023-11-30 06:45:33,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18305 conditions, 10179 events. 5622/10179 cut-off events. For 118/118 co-relation queries the response was YES. Maximal size of possible extension queue 646. Compared 85178 event pairs, 1641 based on Foata normal form. 664/8293 useless extension candidates. Maximal degree in co-relation 18232. Up to 7372 conditions per place. [2023-11-30 06:45:33,386 INFO L140 encePairwiseOnDemand]: 145/161 looper letters, 37 selfloop transitions, 5 changer transitions 0/167 dead transitions. [2023-11-30 06:45:33,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 167 transitions, 439 flow [2023-11-30 06:45:33,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 06:45:33,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 06:45:33,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 449 transitions. [2023-11-30 06:45:33,400 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9296066252587992 [2023-11-30 06:45:33,400 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 449 transitions. [2023-11-30 06:45:33,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 449 transitions. [2023-11-30 06:45:33,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:45:33,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 449 transitions. [2023-11-30 06:45:33,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:33,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:33,412 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:33,416 INFO L307 CegarLoopForPetriNet]: 167 programPoint places, -1 predicate places. [2023-11-30 06:45:33,417 INFO L500 AbstractCegarLoop]: Abstraction has has 166 places, 167 transitions, 439 flow [2023-11-30 06:45:33,417 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:33,417 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:45:33,418 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] [2023-11-30 06:45:33,418 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:45:33,418 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 06:45:33,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:45:33,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1675350429, now seen corresponding path program 1 times [2023-11-30 06:45:33,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:45:33,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449470534] [2023-11-30 06:45:33,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:45:33,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:45:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:45:33,540 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 06:45:33,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:45:33,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449470534] [2023-11-30 06:45:33,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449470534] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:45:33,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:45:33,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:45:33,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506053764] [2023-11-30 06:45:33,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:45:33,542 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:45:33,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:45:33,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:45:33,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:45:33,544 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 161 [2023-11-30 06:45:33,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 167 transitions, 439 flow. Second operand has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:33,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:45:33,544 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 161 [2023-11-30 06:45:33,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:45:34,871 INFO L124 PetriNetUnfolderBase]: 3107/10585 cut-off events. [2023-11-30 06:45:34,871 INFO L125 PetriNetUnfolderBase]: For 521/2847 co-relation queries the response was YES. [2023-11-30 06:45:34,903 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19494 conditions, 10585 events. 3107/10585 cut-off events. For 521/2847 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 117720 event pairs, 1465 based on Foata normal form. 8/9264 useless extension candidates. Maximal degree in co-relation 19418. Up to 3851 conditions per place. [2023-11-30 06:45:34,948 INFO L140 encePairwiseOnDemand]: 152/161 looper letters, 33 selfloop transitions, 5 changer transitions 0/163 dead transitions. [2023-11-30 06:45:34,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 163 transitions, 499 flow [2023-11-30 06:45:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:45:34,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:45:34,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 566 transitions. [2023-11-30 06:45:34,949 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8788819875776398 [2023-11-30 06:45:34,950 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 566 transitions. [2023-11-30 06:45:34,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 566 transitions. [2023-11-30 06:45:34,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:45:34,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 566 transitions. [2023-11-30 06:45:34,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 141.5) internal successors, (566), 4 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:34,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 161.0) internal successors, (805), 5 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:34,954 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 161.0) internal successors, (805), 5 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:34,955 INFO L307 CegarLoopForPetriNet]: 167 programPoint places, -2 predicate places. [2023-11-30 06:45:34,955 INFO L500 AbstractCegarLoop]: Abstraction has has 165 places, 163 transitions, 499 flow [2023-11-30 06:45:34,956 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:34,956 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:45:34,956 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] [2023-11-30 06:45:34,956 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:45:34,957 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 06:45:34,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:45:34,964 INFO L85 PathProgramCache]: Analyzing trace with hash 320053804, now seen corresponding path program 1 times [2023-11-30 06:45:34,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:45:34,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589637237] [2023-11-30 06:45:34,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:45:34,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:45:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:45:35,205 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 06:45:35,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:45:35,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589637237] [2023-11-30 06:45:35,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589637237] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:45:35,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:45:35,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:45:35,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764130706] [2023-11-30 06:45:35,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:45:35,209 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:45:35,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:45:35,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:45:35,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:45:35,213 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 161 [2023-11-30 06:45:35,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 163 transitions, 499 flow. Second operand has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:35,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:45:35,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 161 [2023-11-30 06:45:35,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:45:35,911 INFO L124 PetriNetUnfolderBase]: 1879/4967 cut-off events. [2023-11-30 06:45:35,911 INFO L125 PetriNetUnfolderBase]: For 740/3052 co-relation queries the response was YES. [2023-11-30 06:45:35,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13155 conditions, 4967 events. 1879/4967 cut-off events. For 740/3052 co-relation queries the response was YES. Maximal size of possible extension queue 248. Compared 43661 event pairs, 565 based on Foata normal form. 8/4626 useless extension candidates. Maximal degree in co-relation 13076. Up to 2170 conditions per place. [2023-11-30 06:45:35,945 INFO L140 encePairwiseOnDemand]: 152/161 looper letters, 44 selfloop transitions, 9 changer transitions 0/178 dead transitions. [2023-11-30 06:45:35,945 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 178 transitions, 701 flow [2023-11-30 06:45:35,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:45:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:45:35,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 581 transitions. [2023-11-30 06:45:35,946 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9021739130434783 [2023-11-30 06:45:35,947 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 581 transitions. [2023-11-30 06:45:35,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 581 transitions. [2023-11-30 06:45:35,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:45:35,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 581 transitions. [2023-11-30 06:45:35,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 145.25) internal successors, (581), 4 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:35,949 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 161.0) internal successors, (805), 5 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:35,949 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 161.0) internal successors, (805), 5 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:35,950 INFO L307 CegarLoopForPetriNet]: 167 programPoint places, 1 predicate places. [2023-11-30 06:45:35,950 INFO L500 AbstractCegarLoop]: Abstraction has has 168 places, 178 transitions, 701 flow [2023-11-30 06:45:35,951 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:35,951 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:45:35,951 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, 1, 1, 1, 1, 1] [2023-11-30 06:45:35,951 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:45:35,951 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 06:45:35,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:45:35,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1426913457, now seen corresponding path program 1 times [2023-11-30 06:45:35,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:45:35,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695042281] [2023-11-30 06:45:35,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:45:35,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:45:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:45:36,148 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 06:45:36,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:45:36,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695042281] [2023-11-30 06:45:36,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695042281] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:45:36,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:45:36,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 06:45:36,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827282232] [2023-11-30 06:45:36,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:45:36,150 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 06:45:36,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:45:36,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 06:45:36,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-30 06:45:36,155 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 161 [2023-11-30 06:45:36,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 178 transitions, 701 flow. Second operand has 5 states, 5 states have (on average 133.4) internal successors, (667), 5 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:36,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:45:36,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 161 [2023-11-30 06:45:36,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:45:36,817 INFO L124 PetriNetUnfolderBase]: 1624/4763 cut-off events. [2023-11-30 06:45:36,817 INFO L125 PetriNetUnfolderBase]: For 1531/4919 co-relation queries the response was YES. [2023-11-30 06:45:36,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14020 conditions, 4763 events. 1624/4763 cut-off events. For 1531/4919 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 42684 event pairs, 539 based on Foata normal form. 42/4605 useless extension candidates. Maximal degree in co-relation 13938. Up to 1768 conditions per place. [2023-11-30 06:45:36,849 INFO L140 encePairwiseOnDemand]: 152/161 looper letters, 50 selfloop transitions, 13 changer transitions 4/192 dead transitions. [2023-11-30 06:45:36,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 192 transitions, 950 flow [2023-11-30 06:45:36,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 06:45:36,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 06:45:36,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 726 transitions. [2023-11-30 06:45:36,851 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.901863354037267 [2023-11-30 06:45:36,851 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 726 transitions. [2023-11-30 06:45:36,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 726 transitions. [2023-11-30 06:45:36,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:45:36,851 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 726 transitions. [2023-11-30 06:45:36,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 145.2) internal successors, (726), 5 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:36,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:36,854 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:36,854 INFO L307 CegarLoopForPetriNet]: 167 programPoint places, 5 predicate places. [2023-11-30 06:45:36,854 INFO L500 AbstractCegarLoop]: Abstraction has has 172 places, 192 transitions, 950 flow [2023-11-30 06:45:36,855 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 133.4) internal successors, (667), 5 states have internal predecessors, (667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:36,855 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:45:36,855 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:45:36,855 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 06:45:36,855 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 06:45:36,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:45:36,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1334582885, now seen corresponding path program 1 times [2023-11-30 06:45:36,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:45:36,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097285147] [2023-11-30 06:45:36,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:45:36,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:45:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:45:36,986 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 06:45:36,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:45:36,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097285147] [2023-11-30 06:45:36,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097285147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:45:36,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:45:36,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 06:45:36,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490998898] [2023-11-30 06:45:36,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:45:36,987 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 06:45:36,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:45:36,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 06:45:36,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 06:45:36,988 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 161 [2023-11-30 06:45:36,988 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 192 transitions, 950 flow. Second operand has 6 states, 6 states have (on average 133.5) internal successors, (801), 6 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:36,988 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:45:36,988 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 161 [2023-11-30 06:45:36,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:45:37,816 INFO L124 PetriNetUnfolderBase]: 1612/5041 cut-off events. [2023-11-30 06:45:37,816 INFO L125 PetriNetUnfolderBase]: For 2462/6630 co-relation queries the response was YES. [2023-11-30 06:45:37,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16439 conditions, 5041 events. 1612/5041 cut-off events. For 2462/6630 co-relation queries the response was YES. Maximal size of possible extension queue 205. Compared 46808 event pairs, 539 based on Foata normal form. 42/4881 useless extension candidates. Maximal degree in co-relation 16354. Up to 1740 conditions per place. [2023-11-30 06:45:37,834 INFO L140 encePairwiseOnDemand]: 152/161 looper letters, 0 selfloop transitions, 0 changer transitions 191/191 dead transitions. [2023-11-30 06:45:37,834 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 191 transitions, 1072 flow [2023-11-30 06:45:37,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 06:45:37,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 06:45:37,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 856 transitions. [2023-11-30 06:45:37,836 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8861283643892339 [2023-11-30 06:45:37,836 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 856 transitions. [2023-11-30 06:45:37,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 856 transitions. [2023-11-30 06:45:37,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:45:37,837 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 856 transitions. [2023-11-30 06:45:37,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 142.66666666666666) internal successors, (856), 6 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:37,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:37,840 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:37,841 INFO L307 CegarLoopForPetriNet]: 167 programPoint places, 6 predicate places. [2023-11-30 06:45:37,841 INFO L500 AbstractCegarLoop]: Abstraction has has 173 places, 191 transitions, 1072 flow [2023-11-30 06:45:37,841 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.5) internal successors, (801), 6 states have internal predecessors, (801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:45:37,847 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/safe027_power.opt.i_BEv2_AllErrorsAtOnce [2023-11-30 06:45:37,869 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-30 06:45:37,870 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-30 06:45:37,870 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-30 06:45:37,870 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-30 06:45:37,870 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-30 06:45:37,870 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-30 06:45:37,870 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-30 06:45:37,870 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-30 06:45:37,870 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-30 06:45:37,870 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-30 06:45:37,871 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-30 06:45:37,871 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-30 06:45:37,871 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-30 06:45:37,871 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-30 06:45:37,871 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-30 06:45:37,871 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-30 06:45:37,871 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-30 06:45:37,871 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-30 06:45:37,875 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-30 06:45:37,875 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-30 06:45:37,875 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 06:45:37,875 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-30 06:45:37,879 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:45:37,879 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:45:37,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:45:37 BasicIcfg [2023-11-30 06:45:37,885 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:45:37,887 INFO L158 Benchmark]: Toolchain (without parser) took 8118.82ms. Allocated memory was 509.6MB in the beginning and 2.3GB in the end (delta: 1.8GB). Free memory was 464.4MB in the beginning and 1.7GB in the end (delta: -1.2GB). Peak memory consumption was 702.1MB. Max. memory is 16.0GB. [2023-11-30 06:45:37,891 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 360.7MB. Free memory was 308.4MB in the beginning and 308.2MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:45:37,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.85ms. Allocated memory is still 509.6MB. Free memory was 464.4MB in the beginning and 437.9MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-11-30 06:45:37,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.81ms. Allocated memory is still 509.6MB. Free memory was 437.9MB in the beginning and 435.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:45:37,892 INFO L158 Benchmark]: Boogie Preprocessor took 51.25ms. Allocated memory is still 509.6MB. Free memory was 435.4MB in the beginning and 432.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-11-30 06:45:37,892 INFO L158 Benchmark]: RCFGBuilder took 842.86ms. Allocated memory is still 509.6MB. Free memory was 432.5MB in the beginning and 414.6MB in the end (delta: 17.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.0GB. [2023-11-30 06:45:37,892 INFO L158 Benchmark]: TraceAbstraction took 6705.76ms. Allocated memory was 509.6MB in the beginning and 2.3GB in the end (delta: 1.8GB). Free memory was 413.5MB in the beginning and 1.7GB in the end (delta: -1.2GB). Peak memory consumption was 648.1MB. Max. memory is 16.0GB. [2023-11-30 06:45:37,893 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 360.7MB. Free memory was 308.4MB in the beginning and 308.2MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 449.85ms. Allocated memory is still 509.6MB. Free memory was 464.4MB in the beginning and 437.9MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 63.81ms. Allocated memory is still 509.6MB. Free memory was 437.9MB in the beginning and 435.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 51.25ms. Allocated memory is still 509.6MB. Free memory was 435.4MB in the beginning and 432.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 842.86ms. Allocated memory is still 509.6MB. Free memory was 432.5MB in the beginning and 414.6MB in the end (delta: 17.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.0GB. * TraceAbstraction took 6705.76ms. Allocated memory was 509.6MB in the beginning and 2.3GB in the end (delta: 1.8GB). Free memory was 413.5MB in the beginning and 1.7GB in the end (delta: -1.2GB). Peak memory consumption was 648.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 789]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 789]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: 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 - PositiveResult [Line: 869]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 869]: 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, 201 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: 6.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 336 IncrementalHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 5 mSDtfsCounter, 336 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=1072occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 419 NumberOfCodeBlocks, 419 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 414 ConstructedInterpolants, 0 QuantifiedInterpolants, 1182 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 06:45:37,908 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...