/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/mix036_pso.opt_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:42:02,876 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:42:02,962 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 06:42:02,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:42:02,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:42:02,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:42:02,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:42:02,990 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:42:02,991 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:42:02,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:42:02,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:42:02,992 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:42:02,992 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:42:02,992 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:42:02,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:42:02,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:42:02,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:42:02,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:42:02,996 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:42:02,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:42:02,997 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:42:02,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:42:02,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:42:02,998 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:42:02,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:42:02,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:42:02,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:42:02,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:42:02,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:42:03,000 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:42:03,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:42:03,001 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:42:03,001 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:42:03,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:42:03,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:42:03,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:42:03,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:42:03,260 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:42:03,261 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:42:03,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix036_pso.opt_tso.opt.i [2023-11-30 06:42:04,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:42:04,809 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:42:04,810 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix036_pso.opt_tso.opt.i [2023-11-30 06:42:04,839 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99154971d/c9705145041f448ab806c9ac0ad0dfdd/FLAG427d45fdb [2023-11-30 06:42:04,869 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99154971d/c9705145041f448ab806c9ac0ad0dfdd [2023-11-30 06:42:04,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:42:04,874 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:42:04,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:42:04,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:42:04,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:42:04,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:42:04" (1/1) ... [2023-11-30 06:42:04,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b5f426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:04, skipping insertion in model container [2023-11-30 06:42:04,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:42:04" (1/1) ... [2023-11-30 06:42:04,982 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:42:05,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:42:05,333 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:42:05,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:42:05,424 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:42:05,424 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:42:05,429 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:42:05,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:05 WrapperNode [2023-11-30 06:42:05,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:42:05,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:42:05,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:42:05,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:42:05,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:05" (1/1) ... [2023-11-30 06:42:05,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:05" (1/1) ... [2023-11-30 06:42:05,484 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 160 [2023-11-30 06:42:05,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:42:05,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:42:05,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:42:05,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:42:05,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:05" (1/1) ... [2023-11-30 06:42:05,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:05" (1/1) ... [2023-11-30 06:42:05,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:05" (1/1) ... [2023-11-30 06:42:05,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:05" (1/1) ... [2023-11-30 06:42:05,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:05" (1/1) ... [2023-11-30 06:42:05,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:05" (1/1) ... [2023-11-30 06:42:05,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:05" (1/1) ... [2023-11-30 06:42:05,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:05" (1/1) ... [2023-11-30 06:42:05,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:42:05,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:42:05,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:42:05,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:42:05,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:05" (1/1) ... [2023-11-30 06:42:05,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:42:05,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:42:05,573 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 06:42:05,599 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 06:42:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:42:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:42:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:42:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:42:05,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:42:05,607 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-30 06:42:05,607 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-30 06:42:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-30 06:42:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-30 06:42:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-30 06:42:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-30 06:42:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-30 06:42:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-30 06:42:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:42:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:42:05,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:42:05,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:42:05,610 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 06:42:05,775 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:42:05,784 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:42:06,100 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:42:06,227 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:42:06,227 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:42:06,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:42:06 BoogieIcfgContainer [2023-11-30 06:42:06,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:42:06,231 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:42:06,231 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:42:06,234 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:42:06,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:42:04" (1/3) ... [2023-11-30 06:42:06,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bcb741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:42:06, skipping insertion in model container [2023-11-30 06:42:06,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:42:05" (2/3) ... [2023-11-30 06:42:06,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bcb741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:42:06, skipping insertion in model container [2023-11-30 06:42:06,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:42:06" (3/3) ... [2023-11-30 06:42:06,236 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036_pso.opt_tso.opt.i [2023-11-30 06:42:06,249 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:42:06,249 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-30 06:42:06,249 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:42:06,315 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 06:42:06,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 148 transitions, 312 flow [2023-11-30 06:42:06,402 INFO L124 PetriNetUnfolderBase]: 3/144 cut-off events. [2023-11-30 06:42:06,403 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:42:06,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 144 events. 3/144 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 113 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 104. Up to 2 conditions per place. [2023-11-30 06:42:06,411 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 148 transitions, 312 flow [2023-11-30 06:42:06,419 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 154 places, 144 transitions, 300 flow [2023-11-30 06:42:06,432 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:42:06,438 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;@1d11e9e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:42:06,438 INFO L363 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2023-11-30 06:42:06,464 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:42:06,464 INFO L124 PetriNetUnfolderBase]: 0/55 cut-off events. [2023-11-30 06:42:06,465 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:42:06,465 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:06,465 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] [2023-11-30 06:42:06,466 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 06:42:06,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:06,474 INFO L85 PathProgramCache]: Analyzing trace with hash 28254335, now seen corresponding path program 1 times [2023-11-30 06:42:06,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:06,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120504650] [2023-11-30 06:42:06,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:06,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:06,824 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 06:42:06,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:06,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120504650] [2023-11-30 06:42:06,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120504650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:06,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:06,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 06:42:06,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176263258] [2023-11-30 06:42:06,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:06,835 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 06:42:06,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:06,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 06:42:06,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 06:42:06,863 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 148 [2023-11-30 06:42:06,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 144 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 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 06:42:06,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:06,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 148 [2023-11-30 06:42:06,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:07,799 INFO L124 PetriNetUnfolderBase]: 2210/4120 cut-off events. [2023-11-30 06:42:07,800 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2023-11-30 06:42:07,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7425 conditions, 4120 events. 2210/4120 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 33145 event pairs, 1752 based on Foata normal form. 829/3548 useless extension candidates. Maximal degree in co-relation 7369. Up to 3146 conditions per place. [2023-11-30 06:42:07,856 INFO L140 encePairwiseOnDemand]: 132/148 looper letters, 29 selfloop transitions, 5 changer transitions 0/150 dead transitions. [2023-11-30 06:42:07,856 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 150 transitions, 389 flow [2023-11-30 06:42:07,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 06:42:07,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 06:42:07,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2023-11-30 06:42:07,873 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9324324324324325 [2023-11-30 06:42:07,873 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 414 transitions. [2023-11-30 06:42:07,874 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 414 transitions. [2023-11-30 06:42:07,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:07,879 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 414 transitions. [2023-11-30 06:42:07,883 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 0 states have call successors, (0), 0 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 06:42:07,888 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 0 states have call successors, (0), 0 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 06:42:07,888 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 148.0) internal successors, (592), 4 states have internal predecessors, (592), 0 states have call successors, (0), 0 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 06:42:07,894 INFO L307 CegarLoopForPetriNet]: 154 programPoint places, -1 predicate places. [2023-11-30 06:42:07,894 INFO L500 AbstractCegarLoop]: Abstraction has has 153 places, 150 transitions, 389 flow [2023-11-30 06:42:07,895 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 0 states have call successors, (0), 0 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 06:42:07,895 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:07,895 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] [2023-11-30 06:42:07,895 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:42:07,896 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:07,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:07,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1881993263, now seen corresponding path program 1 times [2023-11-30 06:42:07,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:07,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104709422] [2023-11-30 06:42:07,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:07,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:08,064 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 06:42:08,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:08,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104709422] [2023-11-30 06:42:08,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104709422] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:08,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:08,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:42:08,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393260698] [2023-11-30 06:42:08,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:08,067 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:42:08,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:08,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:42:08,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:42:08,069 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 148 [2023-11-30 06:42:08,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 150 transitions, 389 flow. Second operand has 4 states, 4 states have (on average 123.25) internal successors, (493), 4 states have internal predecessors, (493), 0 states have call successors, (0), 0 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 06:42:08,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:08,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 148 [2023-11-30 06:42:08,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:08,640 INFO L124 PetriNetUnfolderBase]: 1230/3063 cut-off events. [2023-11-30 06:42:08,640 INFO L125 PetriNetUnfolderBase]: For 197/449 co-relation queries the response was YES. [2023-11-30 06:42:08,651 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7038 conditions, 3063 events. 1230/3063 cut-off events. For 197/449 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 25570 event pairs, 491 based on Foata normal form. 10/2401 useless extension candidates. Maximal degree in co-relation 6979. Up to 1904 conditions per place. [2023-11-30 06:42:08,687 INFO L140 encePairwiseOnDemand]: 135/148 looper letters, 36 selfloop transitions, 13 changer transitions 0/165 dead transitions. [2023-11-30 06:42:08,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 165 transitions, 553 flow [2023-11-30 06:42:08,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:42:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:42:08,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 541 transitions. [2023-11-30 06:42:08,689 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9138513513513513 [2023-11-30 06:42:08,690 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 541 transitions. [2023-11-30 06:42:08,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 541 transitions. [2023-11-30 06:42:08,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:08,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 541 transitions. [2023-11-30 06:42:08,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 135.25) internal successors, (541), 4 states have internal predecessors, (541), 0 states have call successors, (0), 0 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 06:42:08,694 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 0 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 06:42:08,695 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 0 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 06:42:08,695 INFO L307 CegarLoopForPetriNet]: 154 programPoint places, 2 predicate places. [2023-11-30 06:42:08,696 INFO L500 AbstractCegarLoop]: Abstraction has has 156 places, 165 transitions, 553 flow [2023-11-30 06:42:08,696 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 123.25) internal successors, (493), 4 states have internal predecessors, (493), 0 states have call successors, (0), 0 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 06:42:08,696 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:08,697 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] [2023-11-30 06:42:08,697 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:42:08,697 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2023-11-30 06:42:08,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:08,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1296485952, now seen corresponding path program 1 times [2023-11-30 06:42:08,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:08,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351959168] [2023-11-30 06:42:08,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:08,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:08,850 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 06:42:08,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:08,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351959168] [2023-11-30 06:42:08,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351959168] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:08,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:08,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:42:08,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644611019] [2023-11-30 06:42:08,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:08,852 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:42:08,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:08,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:42:08,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:42:08,854 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 148 [2023-11-30 06:42:08,855 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 165 transitions, 553 flow. Second operand has 4 states, 4 states have (on average 123.25) internal successors, (493), 4 states have internal predecessors, (493), 0 states have call successors, (0), 0 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 06:42:08,855 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:08,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 148 [2023-11-30 06:42:08,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:09,083 INFO L124 PetriNetUnfolderBase]: 472/1252 cut-off events. [2023-11-30 06:42:09,083 INFO L125 PetriNetUnfolderBase]: For 346/638 co-relation queries the response was YES. [2023-11-30 06:42:09,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3497 conditions, 1252 events. 472/1252 cut-off events. For 346/638 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 8528 event pairs, 79 based on Foata normal form. 6/1107 useless extension candidates. Maximal degree in co-relation 3435. Up to 692 conditions per place. [2023-11-30 06:42:09,097 INFO L140 encePairwiseOnDemand]: 139/148 looper letters, 36 selfloop transitions, 5 changer transitions 0/157 dead transitions. [2023-11-30 06:42:09,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 157 transitions, 587 flow [2023-11-30 06:42:09,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:42:09,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:42:09,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 522 transitions. [2023-11-30 06:42:09,100 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8817567567567568 [2023-11-30 06:42:09,100 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 522 transitions. [2023-11-30 06:42:09,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 522 transitions. [2023-11-30 06:42:09,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:09,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 522 transitions. [2023-11-30 06:42:09,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 130.5) internal successors, (522), 4 states have internal predecessors, (522), 0 states have call successors, (0), 0 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 06:42:09,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 0 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 06:42:09,104 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 148.0) internal successors, (740), 5 states have internal predecessors, (740), 0 states have call successors, (0), 0 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 06:42:09,105 INFO L307 CegarLoopForPetriNet]: 154 programPoint places, 1 predicate places. [2023-11-30 06:42:09,105 INFO L500 AbstractCegarLoop]: Abstraction has has 155 places, 157 transitions, 587 flow [2023-11-30 06:42:09,106 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 123.25) internal successors, (493), 4 states have internal predecessors, (493), 0 states have call successors, (0), 0 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 06:42:09,106 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:09,106 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] [2023-11-30 06:42:09,106 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:42:09,107 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 06:42:09,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:09,107 INFO L85 PathProgramCache]: Analyzing trace with hash 764669969, now seen corresponding path program 1 times [2023-11-30 06:42:09,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:09,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709702283] [2023-11-30 06:42:09,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:09,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:09,256 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 06:42:09,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:09,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709702283] [2023-11-30 06:42:09,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709702283] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:09,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:09,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-30 06:42:09,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651955165] [2023-11-30 06:42:09,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:09,257 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-30 06:42:09,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:09,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-30 06:42:09,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-30 06:42:09,259 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 148 [2023-11-30 06:42:09,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 157 transitions, 587 flow. Second operand has 5 states, 5 states have (on average 123.6) internal successors, (618), 5 states have internal predecessors, (618), 0 states have call successors, (0), 0 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 06:42:09,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:09,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 148 [2023-11-30 06:42:09,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:09,480 INFO L124 PetriNetUnfolderBase]: 334/943 cut-off events. [2023-11-30 06:42:09,480 INFO L125 PetriNetUnfolderBase]: For 495/873 co-relation queries the response was YES. [2023-11-30 06:42:09,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3026 conditions, 943 events. 334/943 cut-off events. For 495/873 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 5847 event pairs, 34 based on Foata normal form. 22/931 useless extension candidates. Maximal degree in co-relation 2961. Up to 470 conditions per place. [2023-11-30 06:42:09,491 INFO L140 encePairwiseOnDemand]: 139/148 looper letters, 34 selfloop transitions, 13 changer transitions 4/167 dead transitions. [2023-11-30 06:42:09,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 167 transitions, 772 flow [2023-11-30 06:42:09,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 06:42:09,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 06:42:09,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 665 transitions. [2023-11-30 06:42:09,494 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8986486486486487 [2023-11-30 06:42:09,494 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 665 transitions. [2023-11-30 06:42:09,494 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 665 transitions. [2023-11-30 06:42:09,494 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:09,495 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 665 transitions. [2023-11-30 06:42:09,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 133.0) internal successors, (665), 5 states have internal predecessors, (665), 0 states have call successors, (0), 0 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 06:42:09,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 148.0) internal successors, (888), 6 states have internal predecessors, (888), 0 states have call successors, (0), 0 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 06:42:09,499 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 148.0) internal successors, (888), 6 states have internal predecessors, (888), 0 states have call successors, (0), 0 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 06:42:09,501 INFO L307 CegarLoopForPetriNet]: 154 programPoint places, 5 predicate places. [2023-11-30 06:42:09,501 INFO L500 AbstractCegarLoop]: Abstraction has has 159 places, 167 transitions, 772 flow [2023-11-30 06:42:09,501 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 123.6) internal successors, (618), 5 states have internal predecessors, (618), 0 states have call successors, (0), 0 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 06:42:09,501 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:42:09,502 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] [2023-11-30 06:42:09,502 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 06:42:09,502 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 06:42:09,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:42:09,503 INFO L85 PathProgramCache]: Analyzing trace with hash -171686170, now seen corresponding path program 1 times [2023-11-30 06:42:09,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:42:09,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221891010] [2023-11-30 06:42:09,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:42:09,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:42:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:42:09,750 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 06:42:09,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:42:09,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221891010] [2023-11-30 06:42:09,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221891010] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:42:09,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:42:09,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 06:42:09,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078983027] [2023-11-30 06:42:09,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:42:09,753 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 06:42:09,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:42:09,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 06:42:09,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 06:42:09,755 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 148 [2023-11-30 06:42:09,756 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 167 transitions, 772 flow. Second operand has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 0 states have call successors, (0), 0 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 06:42:09,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:42:09,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 148 [2023-11-30 06:42:09,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:42:09,999 INFO L124 PetriNetUnfolderBase]: 326/1036 cut-off events. [2023-11-30 06:42:09,999 INFO L125 PetriNetUnfolderBase]: For 993/1501 co-relation queries the response was YES. [2023-11-30 06:42:10,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3529 conditions, 1036 events. 326/1036 cut-off events. For 993/1501 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 6619 event pairs, 51 based on Foata normal form. 26/1027 useless extension candidates. Maximal degree in co-relation 3461. Up to 450 conditions per place. [2023-11-30 06:42:10,005 INFO L140 encePairwiseOnDemand]: 139/148 looper letters, 0 selfloop transitions, 0 changer transitions 165/165 dead transitions. [2023-11-30 06:42:10,005 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 165 transitions, 850 flow [2023-11-30 06:42:10,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 06:42:10,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 06:42:10,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 785 transitions. [2023-11-30 06:42:10,008 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.884009009009009 [2023-11-30 06:42:10,008 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 785 transitions. [2023-11-30 06:42:10,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 785 transitions. [2023-11-30 06:42:10,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:42:10,009 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 785 transitions. [2023-11-30 06:42:10,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 130.83333333333334) internal successors, (785), 6 states have internal predecessors, (785), 0 states have call successors, (0), 0 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 06:42:10,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 148.0) internal successors, (1036), 7 states have internal predecessors, (1036), 0 states have call successors, (0), 0 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 06:42:10,013 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 148.0) internal successors, (1036), 7 states have internal predecessors, (1036), 0 states have call successors, (0), 0 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 06:42:10,016 INFO L307 CegarLoopForPetriNet]: 154 programPoint places, 6 predicate places. [2023-11-30 06:42:10,016 INFO L500 AbstractCegarLoop]: Abstraction has has 160 places, 165 transitions, 850 flow [2023-11-30 06:42:10,017 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 0 states have call successors, (0), 0 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 06:42:10,032 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix036_pso.opt_tso.opt.i_BEv2_AllErrorsAtOnce [2023-11-30 06:42:10,075 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2023-11-30 06:42:10,076 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2023-11-30 06:42:10,076 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2023-11-30 06:42:10,076 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2023-11-30 06:42:10,077 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2023-11-30 06:42:10,077 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2023-11-30 06:42:10,077 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2023-11-30 06:42:10,077 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2023-11-30 06:42:10,077 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2023-11-30 06:42:10,077 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2023-11-30 06:42:10,078 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2023-11-30 06:42:10,078 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2023-11-30 06:42:10,078 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2023-11-30 06:42:10,078 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2023-11-30 06:42:10,078 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2023-11-30 06:42:10,078 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2023-11-30 06:42:10,079 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2023-11-30 06:42:10,079 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2023-11-30 06:42:10,079 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2023-11-30 06:42:10,079 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2023-11-30 06:42:10,079 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 06:42:10,080 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-30 06:42:10,085 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:42:10,085 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:42:10,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:42:10 BasicIcfg [2023-11-30 06:42:10,091 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:42:10,096 INFO L158 Benchmark]: Toolchain (without parser) took 5218.85ms. Allocated memory was 362.8MB in the beginning and 845.2MB in the end (delta: 482.3MB). Free memory was 310.7MB in the beginning and 412.4MB in the end (delta: -101.7MB). Peak memory consumption was 382.3MB. Max. memory is 16.0GB. [2023-11-30 06:42:10,099 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 362.8MB. Free memory is still 316.1MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:42:10,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.66ms. Allocated memory is still 362.8MB. Free memory was 310.3MB in the beginning and 286.9MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-11-30 06:42:10,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.07ms. Allocated memory is still 362.8MB. Free memory was 286.9MB in the beginning and 284.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:42:10,101 INFO L158 Benchmark]: Boogie Preprocessor took 56.89ms. Allocated memory is still 362.8MB. Free memory was 284.5MB in the beginning and 282.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:42:10,103 INFO L158 Benchmark]: RCFGBuilder took 686.03ms. Allocated memory was 362.8MB in the beginning and 539.0MB in the end (delta: 176.2MB). Free memory was 282.4MB in the beginning and 479.0MB in the end (delta: -196.6MB). Peak memory consumption was 17.5MB. Max. memory is 16.0GB. [2023-11-30 06:42:10,104 INFO L158 Benchmark]: TraceAbstraction took 3860.50ms. Allocated memory was 539.0MB in the beginning and 845.2MB in the end (delta: 306.2MB). Free memory was 477.7MB in the beginning and 412.4MB in the end (delta: 65.3MB). Peak memory consumption was 371.2MB. Max. memory is 16.0GB. [2023-11-30 06:42:10,107 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 362.8MB. Free memory is still 316.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 552.66ms. Allocated memory is still 362.8MB. Free memory was 310.3MB in the beginning and 286.9MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 54.07ms. Allocated memory is still 362.8MB. Free memory was 286.9MB in the beginning and 284.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 56.89ms. Allocated memory is still 362.8MB. Free memory was 284.5MB in the beginning and 282.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 686.03ms. Allocated memory was 362.8MB in the beginning and 539.0MB in the end (delta: 176.2MB). Free memory was 282.4MB in the beginning and 479.0MB in the end (delta: -196.6MB). Peak memory consumption was 17.5MB. Max. memory is 16.0GB. * TraceAbstraction took 3860.50ms. Allocated memory was 539.0MB in the beginning and 845.2MB in the end (delta: 306.2MB). Free memory was 477.7MB in the beginning and 412.4MB in the end (delta: 65.3MB). Peak memory consumption was 371.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 764]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 779]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 779]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 807]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 807]: 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, 192 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: 3.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 270 IncrementalHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 5 mSDtfsCounter, 270 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=850occurred 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, 341 NumberOfCodeBlocks, 341 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 948 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 06:42:10,125 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...