/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/mix037_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:42:05,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:42:05,795 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 06:42:05,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:42:05,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:42:05,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:42:05,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:42:05,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:42:05,820 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:42:05,823 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:42:05,823 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:42:05,824 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:42:05,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:42:05,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:42:05,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:42:05,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:42:05,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:42:05,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:42:05,825 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:42:05,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:42:05,826 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:42:05,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:42:05,826 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:42:05,827 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:42:05,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:42:05,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:42:05,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:42:05,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:42:05,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:42:05,827 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:42:05,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:42:05,828 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:42:05,828 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:42:05,828 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:42:06,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:42:06,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:42:06,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:42:06,027 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:42:06,028 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:42:06,028 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix037_tso.oepc.i [2023-11-30 06:42:06,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:42:07,128 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:42:07,129 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037_tso.oepc.i [2023-11-30 06:42:07,138 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b5e0f0d/844ac9e16a78414e98fa1f0510936813/FLAGe8e67e655 [2023-11-30 06:42:07,151 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54b5e0f0d/844ac9e16a78414e98fa1f0510936813 [2023-11-30 06:42:07,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:42:07,154 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:42:07,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:42:07,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:42:07,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:42:07,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:42:07" (1/1) ... [2023-11-30 06:42:07,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f0d2257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:07, skipping insertion in model container [2023-11-30 06:42:07,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:42:07" (1/1) ... [2023-11-30 06:42:07,194 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:42:07,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:42:07,467 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:42:07,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:42:07,518 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:42:07,519 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:42:07,524 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:42:07,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:07 WrapperNode [2023-11-30 06:42:07,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:42:07,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:42:07,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:42:07,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:42:07,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:07" (1/1) ... [2023-11-30 06:42:07,539 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:07" (1/1) ... [2023-11-30 06:42:07,562 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 170 [2023-11-30 06:42:07,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:42:07,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:42:07,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:42:07,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:42:07,574 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:07" (1/1) ... [2023-11-30 06:42:07,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:07" (1/1) ... [2023-11-30 06:42:07,585 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:07" (1/1) ... [2023-11-30 06:42:07,585 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:07" (1/1) ... [2023-11-30 06:42:07,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:07" (1/1) ... [2023-11-30 06:42:07,599 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:07" (1/1) ... [2023-11-30 06:42:07,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:07" (1/1) ... [2023-11-30 06:42:07,601 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:07" (1/1) ... [2023-11-30 06:42:07,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:42:07,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:42:07,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:42:07,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:42:07,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:07" (1/1) ... [2023-11-30 06:42:07,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:42:07,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:42:07,641 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 06:42:07,661 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 06:42:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:42:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:42:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:42:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:42:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:42:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-30 06:42:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-30 06:42:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-30 06:42:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-30 06:42:07,667 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-30 06:42:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-30 06:42:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-30 06:42:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-30 06:42:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:42:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:42:07,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:42:07,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:42:07,669 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 06:42:07,797 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:42:07,804 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:42:08,121 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:42:08,226 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:42:08,226 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:42:08,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:42:08 BoogieIcfgContainer [2023-11-30 06:42:08,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:42:08,229 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:42:08,229 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:42:08,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:42:08,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:42:07" (1/3) ... [2023-11-30 06:42:08,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a68fea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:42:08, skipping insertion in model container [2023-11-30 06:42:08,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:07" (2/3) ... [2023-11-30 06:42:08,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a68fea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:42:08, skipping insertion in model container [2023-11-30 06:42:08,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:42:08" (3/3) ... [2023-11-30 06:42:08,232 INFO L112 eAbstractionObserver]: Analyzing ICFG mix037_tso.oepc.i [2023-11-30 06:42:08,244 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:42:08,244 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-30 06:42:08,244 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:42:08,304 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 06:42:08,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 147 transitions, 310 flow [2023-11-30 06:42:08,376 INFO L124 PetriNetUnfolderBase]: 3/143 cut-off events. [2023-11-30 06:42:08,376 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:42:08,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 143 events. 3/143 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 117 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 104. Up to 2 conditions per place. [2023-11-30 06:42:08,382 INFO L82 GeneralOperation]: Start removeDead. Operand has 157 places, 147 transitions, 310 flow [2023-11-30 06:42:08,388 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 153 places, 143 transitions, 298 flow [2023-11-30 06:42:08,394 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:42:08,398 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;@6e22d141, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:42:08,399 INFO L363 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-30 06:42:08,414 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:42:08,414 INFO L124 PetriNetUnfolderBase]: 0/54 cut-off events. [2023-11-30 06:42:08,414 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:42:08,415 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:08,415 INFO L232 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 06:42:08,415 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 06:42:08,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:08,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1569509872, now seen corresponding path program 1 times [2023-11-30 06:42:08,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:08,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381651926] [2023-11-30 06:42:08,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:08,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:08,711 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 06:42:08,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:08,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381651926] [2023-11-30 06:42:08,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381651926] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:08,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:08,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 06:42:08,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796734022] [2023-11-30 06:42:08,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:08,719 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 06:42:08,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:08,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 06:42:08,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 06:42:08,739 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 147 [2023-11-30 06:42:08,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 143 transitions, 298 flow. Second operand has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:08,741 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:08,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 147 [2023-11-30 06:42:08,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:10,043 INFO L124 PetriNetUnfolderBase]: 4695/8470 cut-off events. [2023-11-30 06:42:10,043 INFO L125 PetriNetUnfolderBase]: For 102/102 co-relation queries the response was YES. [2023-11-30 06:42:10,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15293 conditions, 8470 events. 4695/8470 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 484. Compared 67773 event pairs, 1436 based on Foata normal form. 194/6017 useless extension candidates. Maximal degree in co-relation 15238. Up to 6284 conditions per place. [2023-11-30 06:42:10,221 INFO L140 encePairwiseOnDemand]: 131/147 looper letters, 35 selfloop transitions, 5 changer transitions 0/152 dead transitions. [2023-11-30 06:42:10,221 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 152 transitions, 405 flow [2023-11-30 06:42:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 06:42:10,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 06:42:10,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 408 transitions. [2023-11-30 06:42:10,235 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9251700680272109 [2023-11-30 06:42:10,236 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 408 transitions. [2023-11-30 06:42:10,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 408 transitions. [2023-11-30 06:42:10,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:10,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 408 transitions. [2023-11-30 06:42:10,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:10,248 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:10,249 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 147.0) internal successors, (588), 4 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:10,254 INFO L307 CegarLoopForPetriNet]: 153 programPoint places, -1 predicate places. [2023-11-30 06:42:10,254 INFO L500 AbstractCegarLoop]: Abstraction has has 152 places, 152 transitions, 405 flow [2023-11-30 06:42:10,254 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:10,254 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:10,255 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] [2023-11-30 06:42:10,255 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:42:10,255 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 06:42:10,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:10,257 INFO L85 PathProgramCache]: Analyzing trace with hash 568216532, now seen corresponding path program 1 times [2023-11-30 06:42:10,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:10,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442887875] [2023-11-30 06:42:10,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:10,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:10,529 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 06:42:10,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:10,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442887875] [2023-11-30 06:42:10,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442887875] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:10,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:10,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:42:10,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60364192] [2023-11-30 06:42:10,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:10,531 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:42:10,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:10,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:42:10,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:42:10,533 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 147 [2023-11-30 06:42:10,534 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 152 transitions, 405 flow. Second operand has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:10,534 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:10,534 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 147 [2023-11-30 06:42:10,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:11,402 INFO L124 PetriNetUnfolderBase]: 2458/9308 cut-off events. [2023-11-30 06:42:11,402 INFO L125 PetriNetUnfolderBase]: For 389/3321 co-relation queries the response was YES. [2023-11-30 06:42:11,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16415 conditions, 9308 events. 2458/9308 cut-off events. For 389/3321 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 105585 event pairs, 1304 based on Foata normal form. 34/8176 useless extension candidates. Maximal degree in co-relation 16357. Up to 3147 conditions per place. [2023-11-30 06:42:11,485 INFO L140 encePairwiseOnDemand]: 138/147 looper letters, 31 selfloop transitions, 5 changer transitions 0/148 dead transitions. [2023-11-30 06:42:11,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 148 transitions, 461 flow [2023-11-30 06:42:11,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:42:11,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:42:11,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 512 transitions. [2023-11-30 06:42:11,487 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8707482993197279 [2023-11-30 06:42:11,487 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 512 transitions. [2023-11-30 06:42:11,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 512 transitions. [2023-11-30 06:42:11,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:11,487 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 512 transitions. [2023-11-30 06:42:11,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:11,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 147.0) internal successors, (735), 5 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:11,490 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 147.0) internal successors, (735), 5 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:11,490 INFO L307 CegarLoopForPetriNet]: 153 programPoint places, -2 predicate places. [2023-11-30 06:42:11,491 INFO L500 AbstractCegarLoop]: Abstraction has has 151 places, 148 transitions, 461 flow [2023-11-30 06:42:11,491 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:11,491 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:11,492 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] [2023-11-30 06:42:11,492 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:42:11,492 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 06:42:11,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:11,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1469359517, now seen corresponding path program 1 times [2023-11-30 06:42:11,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:11,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784315375] [2023-11-30 06:42:11,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:11,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:11,586 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 06:42:11,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:11,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784315375] [2023-11-30 06:42:11,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784315375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:11,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:11,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:42:11,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203970823] [2023-11-30 06:42:11,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:11,588 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:42:11,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:11,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:42:11,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:42:11,589 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 147 [2023-11-30 06:42:11,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 148 transitions, 461 flow. Second operand has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:11,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:11,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 147 [2023-11-30 06:42:11,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:12,112 INFO L124 PetriNetUnfolderBase]: 1421/4204 cut-off events. [2023-11-30 06:42:12,113 INFO L125 PetriNetUnfolderBase]: For 915/3169 co-relation queries the response was YES. [2023-11-30 06:42:12,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10490 conditions, 4204 events. 1421/4204 cut-off events. For 915/3169 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 37595 event pairs, 345 based on Foata normal form. 30/3846 useless extension candidates. Maximal degree in co-relation 10429. Up to 1727 conditions per place. [2023-11-30 06:42:12,145 INFO L140 encePairwiseOnDemand]: 138/147 looper letters, 41 selfloop transitions, 9 changer transitions 0/162 dead transitions. [2023-11-30 06:42:12,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 162 transitions, 651 flow [2023-11-30 06:42:12,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:42:12,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:42:12,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 526 transitions. [2023-11-30 06:42:12,147 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8945578231292517 [2023-11-30 06:42:12,147 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 526 transitions. [2023-11-30 06:42:12,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 526 transitions. [2023-11-30 06:42:12,147 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:12,147 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 526 transitions. [2023-11-30 06:42:12,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 131.5) internal successors, (526), 4 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:12,149 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 147.0) internal successors, (735), 5 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:12,150 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 147.0) internal successors, (735), 5 states have internal predecessors, (735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:12,151 INFO L307 CegarLoopForPetriNet]: 153 programPoint places, 1 predicate places. [2023-11-30 06:42:12,151 INFO L500 AbstractCegarLoop]: Abstraction has has 154 places, 162 transitions, 651 flow [2023-11-30 06:42:12,151 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 120.0) internal successors, (480), 4 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:12,151 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:12,151 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] [2023-11-30 06:42:12,151 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:42:12,152 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 06:42:12,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:12,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1556021653, now seen corresponding path program 1 times [2023-11-30 06:42:12,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:12,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028432490] [2023-11-30 06:42:12,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:12,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:12,386 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 06:42:12,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:12,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028432490] [2023-11-30 06:42:12,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028432490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:12,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:12,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 06:42:12,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671698200] [2023-11-30 06:42:12,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:12,387 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 06:42:12,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:12,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 06:42:12,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-30 06:42:12,388 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 147 [2023-11-30 06:42:12,389 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 162 transitions, 651 flow. Second operand has 5 states, 5 states have (on average 120.2) internal successors, (601), 5 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:12,389 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:12,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 147 [2023-11-30 06:42:12,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:12,782 INFO L124 PetriNetUnfolderBase]: 1187/3811 cut-off events. [2023-11-30 06:42:12,783 INFO L125 PetriNetUnfolderBase]: For 1507/3267 co-relation queries the response was YES. [2023-11-30 06:42:12,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10672 conditions, 3811 events. 1187/3811 cut-off events. For 1507/3267 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 34065 event pairs, 301 based on Foata normal form. 104/3730 useless extension candidates. Maximal degree in co-relation 10608. Up to 1358 conditions per place. [2023-11-30 06:42:12,812 INFO L140 encePairwiseOnDemand]: 138/147 looper letters, 46 selfloop transitions, 13 changer transitions 4/175 dead transitions. [2023-11-30 06:42:12,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 175 transitions, 884 flow [2023-11-30 06:42:12,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 06:42:12,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 06:42:12,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 657 transitions. [2023-11-30 06:42:12,814 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8938775510204081 [2023-11-30 06:42:12,814 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 657 transitions. [2023-11-30 06:42:12,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 657 transitions. [2023-11-30 06:42:12,814 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:12,814 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 657 transitions. [2023-11-30 06:42:12,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 131.4) internal successors, (657), 5 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:12,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:12,817 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:12,817 INFO L307 CegarLoopForPetriNet]: 153 programPoint places, 5 predicate places. [2023-11-30 06:42:12,818 INFO L500 AbstractCegarLoop]: Abstraction has has 158 places, 175 transitions, 884 flow [2023-11-30 06:42:12,818 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 120.2) internal successors, (601), 5 states have internal predecessors, (601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:12,818 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:12,818 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] [2023-11-30 06:42:12,818 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 06:42:12,818 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 06:42:12,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:12,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1305711545, now seen corresponding path program 1 times [2023-11-30 06:42:12,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:12,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471811895] [2023-11-30 06:42:12,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:12,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:12,936 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 06:42:12,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:12,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471811895] [2023-11-30 06:42:12,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471811895] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:12,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:12,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 06:42:12,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347687302] [2023-11-30 06:42:12,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:12,937 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 06:42:12,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:12,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 06:42:12,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 06:42:12,938 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 147 [2023-11-30 06:42:12,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 175 transitions, 884 flow. Second operand has 6 states, 6 states have (on average 120.33333333333333) internal successors, (722), 6 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:12,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:12,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 147 [2023-11-30 06:42:12,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:13,405 INFO L124 PetriNetUnfolderBase]: 1175/3707 cut-off events. [2023-11-30 06:42:13,405 INFO L125 PetriNetUnfolderBase]: For 2122/3622 co-relation queries the response was YES. [2023-11-30 06:42:13,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12116 conditions, 3707 events. 1175/3707 cut-off events. For 2122/3622 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 32715 event pairs, 321 based on Foata normal form. 82/3635 useless extension candidates. Maximal degree in co-relation 12049. Up to 1330 conditions per place. [2023-11-30 06:42:13,419 INFO L140 encePairwiseOnDemand]: 138/147 looper letters, 0 selfloop transitions, 0 changer transitions 174/174 dead transitions. [2023-11-30 06:42:13,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 174 transitions, 998 flow [2023-11-30 06:42:13,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 06:42:13,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 06:42:13,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 774 transitions. [2023-11-30 06:42:13,421 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8775510204081632 [2023-11-30 06:42:13,421 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 774 transitions. [2023-11-30 06:42:13,421 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 774 transitions. [2023-11-30 06:42:13,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:13,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 774 transitions. [2023-11-30 06:42:13,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.0) internal successors, (774), 6 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:13,425 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 147.0) internal successors, (1029), 7 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:13,425 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 147.0) internal successors, (1029), 7 states have internal predecessors, (1029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:13,428 INFO L307 CegarLoopForPetriNet]: 153 programPoint places, 6 predicate places. [2023-11-30 06:42:13,428 INFO L500 AbstractCegarLoop]: Abstraction has has 159 places, 174 transitions, 998 flow [2023-11-30 06:42:13,428 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 120.33333333333333) internal successors, (722), 6 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 06:42:13,433 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix037_tso.oepc.i_BEv2_AllErrorsAtOnce [2023-11-30 06:42:13,447 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-30 06:42:13,448 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-30 06:42:13,448 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-30 06:42:13,448 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-30 06:42:13,448 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-30 06:42:13,448 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-30 06:42:13,448 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-30 06:42:13,448 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-30 06:42:13,448 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-30 06:42:13,449 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-30 06:42:13,449 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-30 06:42:13,449 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-30 06:42:13,449 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-30 06:42:13,449 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-30 06:42:13,449 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-30 06:42:13,449 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-30 06:42:13,449 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-30 06:42:13,449 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-30 06:42:13,449 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-30 06:42:13,450 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-30 06:42:13,450 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 06:42:13,450 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-30 06:42:13,454 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:42:13,454 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:42:13,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:42:13 BasicIcfg [2023-11-30 06:42:13,461 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:42:13,464 INFO L158 Benchmark]: Toolchain (without parser) took 6307.61ms. Allocated memory was 513.8MB in the beginning and 1.5GB in the end (delta: 1.0GB). Free memory was 465.5MB in the beginning and 1.1GB in the end (delta: -588.6MB). Peak memory consumption was 487.7MB. Max. memory is 16.0GB. [2023-11-30 06:42:13,466 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 358.6MB. Free memory is still 308.0MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:42:13,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.83ms. Allocated memory is still 513.8MB. Free memory was 465.5MB in the beginning and 441.1MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-11-30 06:42:13,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.74ms. Allocated memory is still 513.8MB. Free memory was 441.1MB in the beginning and 438.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:42:13,466 INFO L158 Benchmark]: Boogie Preprocessor took 53.23ms. Allocated memory is still 513.8MB. Free memory was 438.3MB in the beginning and 436.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:42:13,467 INFO L158 Benchmark]: RCFGBuilder took 610.93ms. Allocated memory is still 513.8MB. Free memory was 436.3MB in the beginning and 451.5MB in the end (delta: -15.2MB). Peak memory consumption was 24.9MB. Max. memory is 16.0GB. [2023-11-30 06:42:13,467 INFO L158 Benchmark]: TraceAbstraction took 5231.97ms. Allocated memory was 513.8MB in the beginning and 1.5GB in the end (delta: 1.0GB). Free memory was 450.5MB in the beginning and 1.1GB in the end (delta: -603.7MB). Peak memory consumption was 471.1MB. Max. memory is 16.0GB. [2023-11-30 06:42:13,468 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 358.6MB. Free memory is still 308.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 369.83ms. Allocated memory is still 513.8MB. Free memory was 465.5MB in the beginning and 441.1MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 37.74ms. Allocated memory is still 513.8MB. Free memory was 441.1MB in the beginning and 438.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 53.23ms. Allocated memory is still 513.8MB. Free memory was 438.3MB in the beginning and 436.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 610.93ms. Allocated memory is still 513.8MB. Free memory was 436.3MB in the beginning and 451.5MB in the end (delta: -15.2MB). Peak memory consumption was 24.9MB. Max. memory is 16.0GB. * TraceAbstraction took 5231.97ms. Allocated memory was 513.8MB in the beginning and 1.5GB in the end (delta: 1.0GB). Free memory was 450.5MB in the beginning and 1.1GB in the end (delta: -603.7MB). Peak memory consumption was 471.1MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 817]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 817]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: 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, 191 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: 5.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 317 IncrementalHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 5 mSDtfsCounter, 317 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=998occurred 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, 0.7s InterpolantComputationTime, 336 NumberOfCodeBlocks, 336 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 933 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 06:42:13,484 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...