/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/mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 06:40:29,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 06:40:29,545 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 06:40:29,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 06:40:29,569 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 06:40:29,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 06:40:29,569 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 06:40:29,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 06:40:29,570 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 06:40:29,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 06:40:29,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 06:40:29,573 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 06:40:29,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 06:40:29,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 06:40:29,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 06:40:29,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 06:40:29,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 06:40:29,575 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 06:40:29,575 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 06:40:29,575 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 06:40:29,576 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 06:40:29,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 06:40:29,576 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 06:40:29,576 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 06:40:29,577 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 06:40:29,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:40:29,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 06:40:29,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 06:40:29,577 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 06:40:29,577 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 06:40:29,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 06:40:29,578 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 06:40:29,578 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 06:40:29,578 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-11-30 06:40:29,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 06:40:29,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 06:40:29,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 06:40:29,767 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 06:40:29,768 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 06:40:29,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2023-11-30 06:40:30,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 06:40:30,962 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 06:40:30,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2023-11-30 06:40:30,978 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd56f7b4f/db7207dc4061439eb27408ed5eb3337b/FLAG04178d437 [2023-11-30 06:40:30,987 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd56f7b4f/db7207dc4061439eb27408ed5eb3337b [2023-11-30 06:40:30,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 06:40:30,989 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 06:40:30,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 06:40:30,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 06:40:30,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 06:40:30,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:40:30" (1/1) ... [2023-11-30 06:40:30,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c7cfc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:30, skipping insertion in model container [2023-11-30 06:40:30,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 06:40:30" (1/1) ... [2023-11-30 06:40:31,032 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 06:40:31,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:40:31,299 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 06:40:31,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 06:40:31,382 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:40:31,382 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 06:40:31,387 INFO L206 MainTranslator]: Completed translation [2023-11-30 06:40:31,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:31 WrapperNode [2023-11-30 06:40:31,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 06:40:31,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 06:40:31,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 06:40:31,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 06:40:31,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:31" (1/1) ... [2023-11-30 06:40:31,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:31" (1/1) ... [2023-11-30 06:40:31,496 INFO L138 Inliner]: procedures = 175, calls = 44, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 121 [2023-11-30 06:40:31,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 06:40:31,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 06:40:31,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 06:40:31,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 06:40:31,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:31" (1/1) ... [2023-11-30 06:40:31,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:31" (1/1) ... [2023-11-30 06:40:31,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:31" (1/1) ... [2023-11-30 06:40:31,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:31" (1/1) ... [2023-11-30 06:40:31,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:31" (1/1) ... [2023-11-30 06:40:31,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:31" (1/1) ... [2023-11-30 06:40:31,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:31" (1/1) ... [2023-11-30 06:40:31,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:31" (1/1) ... [2023-11-30 06:40:31,534 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 06:40:31,534 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 06:40:31,534 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 06:40:31,535 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 06:40:31,535 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:31" (1/1) ... [2023-11-30 06:40:31,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 06:40:31,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 06:40:31,593 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 06:40:31,604 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 06:40:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 06:40:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 06:40:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 06:40:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 06:40:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 06:40:31,622 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-30 06:40:31,623 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-30 06:40:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-30 06:40:31,623 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-30 06:40:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 06:40:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 06:40:31,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 06:40:31,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 06:40:31,624 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 06:40:31,777 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 06:40:31,784 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 06:40:32,103 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 06:40:32,262 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 06:40:32,263 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 06:40:32,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:40:32 BoogieIcfgContainer [2023-11-30 06:40:32,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 06:40:32,274 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 06:40:32,274 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 06:40:32,276 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 06:40:32,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 06:40:30" (1/3) ... [2023-11-30 06:40:32,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d2afbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:40:32, skipping insertion in model container [2023-11-30 06:40:32,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 06:40:31" (2/3) ... [2023-11-30 06:40:32,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d2afbd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 06:40:32, skipping insertion in model container [2023-11-30 06:40:32,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 06:40:32" (3/3) ... [2023-11-30 06:40:32,278 INFO L112 eAbstractionObserver]: Analyzing ICFG mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2023-11-30 06:40:32,298 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 06:40:32,299 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-30 06:40:32,309 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 06:40:32,382 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 06:40:32,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 104 places, 100 transitions, 208 flow [2023-11-30 06:40:32,477 INFO L124 PetriNetUnfolderBase]: 3/98 cut-off events. [2023-11-30 06:40:32,496 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:40:32,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 98 events. 3/98 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2023-11-30 06:40:32,501 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 100 transitions, 208 flow [2023-11-30 06:40:32,509 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 98 transitions, 202 flow [2023-11-30 06:40:32,524 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 06:40:32,528 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;@3b20e4e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 06:40:32,528 INFO L363 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-30 06:40:32,535 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 06:40:32,536 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2023-11-30 06:40:32,536 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 06:40:32,544 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:40:32,545 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] [2023-11-30 06:40:32,545 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-30 06:40:32,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:40:32,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1147325966, now seen corresponding path program 1 times [2023-11-30 06:40:32,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:40:32,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783172996] [2023-11-30 06:40:32,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:40:32,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:40:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:40:32,892 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 06:40:32,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:40:32,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783172996] [2023-11-30 06:40:32,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783172996] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:40:32,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:40:32,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 06:40:32,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714858427] [2023-11-30 06:40:32,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:40:32,900 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 06:40:32,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:40:32,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 06:40:32,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 06:40:32,920 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 100 [2023-11-30 06:40:32,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 98 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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 06:40:32,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:40:32,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 100 [2023-11-30 06:40:32,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:40:33,019 INFO L124 PetriNetUnfolderBase]: 68/366 cut-off events. [2023-11-30 06:40:33,020 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-30 06:40:33,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 513 conditions, 366 events. 68/366 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1712 event pairs, 40 based on Foata normal form. 27/354 useless extension candidates. Maximal degree in co-relation 468. Up to 73 conditions per place. [2023-11-30 06:40:33,023 INFO L140 encePairwiseOnDemand]: 90/100 looper letters, 19 selfloop transitions, 3 changer transitions 2/101 dead transitions. [2023-11-30 06:40:33,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 101 transitions, 259 flow [2023-11-30 06:40:33,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 06:40:33,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 06:40:33,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2023-11-30 06:40:33,032 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.9233333333333333 [2023-11-30 06:40:33,032 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 277 transitions. [2023-11-30 06:40:33,033 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 277 transitions. [2023-11-30 06:40:33,034 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:40:33,035 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 277 transitions. [2023-11-30 06:40:33,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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 06:40:33,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 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 06:40:33,040 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 100.0) internal successors, (400), 4 states have internal predecessors, (400), 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 06:40:33,042 INFO L307 CegarLoopForPetriNet]: 102 programPoint places, -1 predicate places. [2023-11-30 06:40:33,043 INFO L500 AbstractCegarLoop]: Abstraction has has 101 places, 101 transitions, 259 flow [2023-11-30 06:40:33,043 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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 06:40:33,043 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:40:33,043 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] [2023-11-30 06:40:33,043 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 06:40:33,043 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-30 06:40:33,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:40:33,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1768146976, now seen corresponding path program 1 times [2023-11-30 06:40:33,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:40:33,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072748418] [2023-11-30 06:40:33,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:40:33,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:40:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:40:33,286 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 06:40:33,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:40:33,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072748418] [2023-11-30 06:40:33,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072748418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:40:33,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:40:33,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:40:33,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342316258] [2023-11-30 06:40:33,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:40:33,288 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:40:33,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:40:33,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:40:33,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:40:33,289 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 100 [2023-11-30 06:40:33,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 101 transitions, 259 flow. Second operand has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 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 06:40:33,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:40:33,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 100 [2023-11-30 06:40:33,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:40:33,399 INFO L124 PetriNetUnfolderBase]: 64/356 cut-off events. [2023-11-30 06:40:33,399 INFO L125 PetriNetUnfolderBase]: For 46/104 co-relation queries the response was YES. [2023-11-30 06:40:33,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 356 events. 64/356 cut-off events. For 46/104 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1614 event pairs, 38 based on Foata normal form. 8/333 useless extension candidates. Maximal degree in co-relation 569. Up to 63 conditions per place. [2023-11-30 06:40:33,404 INFO L140 encePairwiseOnDemand]: 95/100 looper letters, 17 selfloop transitions, 3 changer transitions 2/99 dead transitions. [2023-11-30 06:40:33,404 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 99 transitions, 295 flow [2023-11-30 06:40:33,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:40:33,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:40:33,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 348 transitions. [2023-11-30 06:40:33,409 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.87 [2023-11-30 06:40:33,409 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 348 transitions. [2023-11-30 06:40:33,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 348 transitions. [2023-11-30 06:40:33,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:40:33,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 348 transitions. [2023-11-30 06:40:33,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 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 06:40:33,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 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 06:40:33,414 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 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 06:40:33,415 INFO L307 CegarLoopForPetriNet]: 102 programPoint places, 0 predicate places. [2023-11-30 06:40:33,415 INFO L500 AbstractCegarLoop]: Abstraction has has 102 places, 99 transitions, 295 flow [2023-11-30 06:40:33,415 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 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 06:40:33,415 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 06:40:33,415 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, 1, 1, 1, 1, 1] [2023-11-30 06:40:33,416 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 06:40:33,416 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2023-11-30 06:40:33,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 06:40:33,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1677141435, now seen corresponding path program 1 times [2023-11-30 06:40:33,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 06:40:33,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74473738] [2023-11-30 06:40:33,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 06:40:33,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 06:40:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 06:40:33,539 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 06:40:33,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 06:40:33,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74473738] [2023-11-30 06:40:33,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74473738] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 06:40:33,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 06:40:33,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-30 06:40:33,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443974381] [2023-11-30 06:40:33,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 06:40:33,541 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-30 06:40:33,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 06:40:33,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-30 06:40:33,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-30 06:40:33,542 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 100 [2023-11-30 06:40:33,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 99 transitions, 295 flow. Second operand has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 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 06:40:33,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 06:40:33,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 100 [2023-11-30 06:40:33,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 06:40:33,612 INFO L124 PetriNetUnfolderBase]: 60/346 cut-off events. [2023-11-30 06:40:33,616 INFO L125 PetriNetUnfolderBase]: For 117/191 co-relation queries the response was YES. [2023-11-30 06:40:33,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 701 conditions, 346 events. 60/346 cut-off events. For 117/191 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1541 event pairs, 34 based on Foata normal form. 8/332 useless extension candidates. Maximal degree in co-relation 650. Up to 61 conditions per place. [2023-11-30 06:40:33,617 INFO L140 encePairwiseOnDemand]: 95/100 looper letters, 0 selfloop transitions, 0 changer transitions 99/99 dead transitions. [2023-11-30 06:40:33,617 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 99 transitions, 339 flow [2023-11-30 06:40:33,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-30 06:40:33,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-30 06:40:33,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 348 transitions. [2023-11-30 06:40:33,618 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.87 [2023-11-30 06:40:33,618 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 348 transitions. [2023-11-30 06:40:33,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 348 transitions. [2023-11-30 06:40:33,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 06:40:33,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 348 transitions. [2023-11-30 06:40:33,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 87.0) internal successors, (348), 4 states have internal predecessors, (348), 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 06:40:33,620 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 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 06:40:33,620 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 100.0) internal successors, (500), 5 states have internal predecessors, (500), 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 06:40:33,621 INFO L307 CegarLoopForPetriNet]: 102 programPoint places, 1 predicate places. [2023-11-30 06:40:33,621 INFO L500 AbstractCegarLoop]: Abstraction has has 103 places, 99 transitions, 339 flow [2023-11-30 06:40:33,622 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 83.25) internal successors, (333), 4 states have internal predecessors, (333), 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 06:40:33,627 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix012_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i_BEv2_AllErrorsAtOnce [2023-11-30 06:40:33,641 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-11-30 06:40:33,641 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-11-30 06:40:33,641 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-11-30 06:40:33,642 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-11-30 06:40:33,645 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2023-11-30 06:40:33,645 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2023-11-30 06:40:33,645 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-11-30 06:40:33,645 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-11-30 06:40:33,645 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-11-30 06:40:33,645 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-11-30 06:40:33,645 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 06:40:33,646 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-30 06:40:33,649 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 06:40:33,649 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 06:40:33,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 06:40:33 BasicIcfg [2023-11-30 06:40:33,655 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 06:40:33,657 INFO L158 Benchmark]: Toolchain (without parser) took 2666.12ms. Allocated memory is still 599.8MB. Free memory was 550.7MB in the beginning and 528.2MB in the end (delta: 22.5MB). Peak memory consumption was 23.6MB. Max. memory is 16.0GB. [2023-11-30 06:40:33,657 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 379.6MB. Free memory is still 328.2MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 06:40:33,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.56ms. Allocated memory is still 599.8MB. Free memory was 550.4MB in the beginning and 527.6MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. [2023-11-30 06:40:33,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.17ms. Allocated memory is still 599.8MB. Free memory was 527.6MB in the beginning and 525.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:40:33,659 INFO L158 Benchmark]: Boogie Preprocessor took 37.02ms. Allocated memory is still 599.8MB. Free memory was 525.0MB in the beginning and 523.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 06:40:33,660 INFO L158 Benchmark]: RCFGBuilder took 730.56ms. Allocated memory is still 599.8MB. Free memory was 523.2MB in the beginning and 548.1MB in the end (delta: -24.9MB). Peak memory consumption was 26.7MB. Max. memory is 16.0GB. [2023-11-30 06:40:33,660 INFO L158 Benchmark]: TraceAbstraction took 1381.11ms. Allocated memory is still 599.8MB. Free memory was 547.1MB in the beginning and 528.2MB in the end (delta: 18.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.0GB. [2023-11-30 06:40:33,664 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 379.6MB. Free memory is still 328.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 397.56ms. Allocated memory is still 599.8MB. Free memory was 550.4MB in the beginning and 527.6MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 108.17ms. Allocated memory is still 599.8MB. Free memory was 527.6MB in the beginning and 525.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 37.02ms. Allocated memory is still 599.8MB. Free memory was 525.0MB in the beginning and 523.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 730.56ms. Allocated memory is still 599.8MB. Free memory was 523.2MB in the beginning and 548.1MB in the end (delta: -24.9MB). Peak memory consumption was 26.7MB. Max. memory is 16.0GB. * TraceAbstraction took 1381.11ms. Allocated memory is still 599.8MB. Free memory was 547.1MB in the beginning and 528.2MB in the end (delta: 18.9MB). Peak memory consumption was 17.8MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 761]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 761]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 121 locations, 10 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: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 3 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=339occurred in iteration=3, InterpolantAutomatonStates: 11, 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, 0.4s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 411 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 06:40:33,679 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...