This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-16 15:27:26,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 15:27:26,391 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 15:27:26,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 15:27:26,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 15:27:26,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 15:27:26,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 15:27:26,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 15:27:26,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 15:27:26,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 15:27:26,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 15:27:26,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 15:27:26,422 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 15:27:26,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 15:27:26,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 15:27:26,423 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 15:27:26,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 15:27:26,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 15:27:26,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 15:27:26,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 15:27:26,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 15:27:26,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 15:27:26,428 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 15:27:26,428 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 15:27:26,428 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 15:27:26,428 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 15:27:26,429 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 15:27:26,429 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 15:27:26,429 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 15:27:26,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 15:27:26,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 15:27:26,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 15:27:26,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 15:27:26,430 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 15:27:26,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 15:27:26,430 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 15:27:26,431 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 15:27:26,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 15:27:26,431 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 15:27:26,433 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 15:27:26,433 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 15:27:26,434 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/UGemCutter-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.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1d27b7f98ac68d2da6120346c107c87df7f6f708200f0d5d2c806741122116e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION [2024-10-16 15:27:26,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 15:27:26,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 15:27:26,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 15:27:26,683 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 15:27:26,683 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 15:27:26,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-10-16 15:27:28,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 15:27:28,735 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 15:27:28,735 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-10-16 15:27:28,741 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7dd00edb5/a6beea89852a42deb0a4ff72bb952798/FLAGdf3379af5 [2024-10-16 15:27:29,126 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7dd00edb5/a6beea89852a42deb0a4ff72bb952798 [2024-10-16 15:27:29,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 15:27:29,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 15:27:29,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 15:27:29,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 15:27:29,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 15:27:29,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:27:29" (1/1) ... [2024-10-16 15:27:29,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54cf73f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:29, skipping insertion in model container [2024-10-16 15:27:29,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:27:29" (1/1) ... [2024-10-16 15:27:29,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 15:27:29,330 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2730,2743] [2024-10-16 15:27:29,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 15:27:29,347 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 15:27:29,365 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2730,2743] [2024-10-16 15:27:29,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 15:27:29,390 INFO L204 MainTranslator]: Completed translation [2024-10-16 15:27:29,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:29 WrapperNode [2024-10-16 15:27:29,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 15:27:29,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 15:27:29,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 15:27:29,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 15:27:29,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:29" (1/1) ... [2024-10-16 15:27:29,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:29" (1/1) ... [2024-10-16 15:27:29,432 INFO L138 Inliner]: procedures = 25, calls = 29, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 138 [2024-10-16 15:27:29,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 15:27:29,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 15:27:29,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 15:27:29,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 15:27:29,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:29" (1/1) ... [2024-10-16 15:27:29,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:29" (1/1) ... [2024-10-16 15:27:29,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:29" (1/1) ... [2024-10-16 15:27:29,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:29" (1/1) ... [2024-10-16 15:27:29,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:29" (1/1) ... [2024-10-16 15:27:29,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:29" (1/1) ... [2024-10-16 15:27:29,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:29" (1/1) ... [2024-10-16 15:27:29,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:29" (1/1) ... [2024-10-16 15:27:29,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 15:27:29,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 15:27:29,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 15:27:29,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 15:27:29,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:29" (1/1) ... [2024-10-16 15:27:29,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 15:27:29,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 15:27:29,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-16 15:27:29,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-16 15:27:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 15:27:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-16 15:27:29,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-16 15:27:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-16 15:27:29,549 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-16 15:27:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-16 15:27:29,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-16 15:27:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 15:27:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-16 15:27:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-16 15:27:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-16 15:27:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-16 15:27:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 15:27:29,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 15:27:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-16 15:27:29,554 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-16 15:27:29,654 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 15:27:29,663 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 15:27:29,985 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 15:27:29,985 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 15:27:30,176 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 15:27:30,177 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-16 15:27:30,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:27:30 BoogieIcfgContainer [2024-10-16 15:27:30,178 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 15:27:30,180 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 15:27:30,180 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 15:27:30,183 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 15:27:30,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:27:29" (1/3) ... [2024-10-16 15:27:30,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b66c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:27:30, skipping insertion in model container [2024-10-16 15:27:30,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:27:29" (2/3) ... [2024-10-16 15:27:30,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b66c29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:27:30, skipping insertion in model container [2024-10-16 15:27:30,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:27:30" (3/3) ... [2024-10-16 15:27:30,187 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2024-10-16 15:27:30,198 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 15:27:30,198 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-16 15:27:30,198 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 15:27:30,238 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-16 15:27:30,269 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 15:27:30,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 15:27:30,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 15:27:30,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-16 15:27:30,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-16 15:27:30,338 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 15:27:30,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 15:27:30,357 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 15:27:30,362 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@68c29c91, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 15:27:30,362 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-16 15:27:30,961 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 15:27:31,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1747716087, now seen corresponding path program 1 times [2024-10-16 15:27:31,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:31,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:27:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 15:27:31,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:31,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:27:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:31,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 15:27:31,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-16 15:27:31,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-16 15:27:31,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-16 15:27:31,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 15:27:31,553 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 15:27:31,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-10-16 15:27:31,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 15:27:31,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 15:27:31,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-10-16 15:27:31,657 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 15:27:31,705 INFO L85 PathProgramCache]: Analyzing trace with hash 130928314, now seen corresponding path program 1 times [2024-10-16 15:27:31,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:31,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:27:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:31,862 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-16 15:27:31,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:31,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:27:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:31,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-16 15:27:31,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 15:27:31,966 INFO L85 PathProgramCache]: Analyzing trace with hash 754232205, now seen corresponding path program 1 times [2024-10-16 15:27:31,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 15:27:31,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526125896] [2024-10-16 15:27:31,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:31,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:27:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:32,126 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-16 15:27:32,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 15:27:32,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526125896] [2024-10-16 15:27:32,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526125896] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 15:27:32,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349122049] [2024-10-16 15:27:32,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:32,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 15:27:32,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 15:27:32,139 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 15:27:32,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-16 15:27:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:32,226 INFO L255 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-16 15:27:32,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 15:27:32,351 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-16 15:27:32,352 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 15:27:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-16 15:27:32,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349122049] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 15:27:32,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 15:27:32,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-16 15:27:32,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433883318] [2024-10-16 15:27:32,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 15:27:32,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-16 15:27:32,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 15:27:32,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-16 15:27:32,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-10-16 15:27:32,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 15:27:32,447 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 15:27:32,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.0) internal successors, (70), 13 states have internal predecessors, (70), 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) [2024-10-16 15:27:32,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 15:27:32,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 15:27:32,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 15:27:32,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 15:27:32,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-16 15:27:32,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-16 15:27:32,809 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 15:27:32,847 INFO L85 PathProgramCache]: Analyzing trace with hash 230528769, now seen corresponding path program 1 times [2024-10-16 15:27:32,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:32,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:27:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-16 15:27:33,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:33,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:27:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:33,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-16 15:27:33,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 15:27:33,122 INFO L85 PathProgramCache]: Analyzing trace with hash -165695537, now seen corresponding path program 2 times [2024-10-16 15:27:33,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 15:27:33,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056131040] [2024-10-16 15:27:33,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:33,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:27:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:33,256 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-16 15:27:33,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 15:27:33,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056131040] [2024-10-16 15:27:33,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056131040] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 15:27:33,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578819273] [2024-10-16 15:27:33,258 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 15:27:33,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 15:27:33,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 15:27:33,260 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 15:27:33,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-16 15:27:33,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-16 15:27:33,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 15:27:33,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-16 15:27:33,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 15:27:33,426 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-16 15:27:33,427 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 15:27:33,494 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-16 15:27:33,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578819273] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 15:27:33,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 15:27:33,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2024-10-16 15:27:33,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391922948] [2024-10-16 15:27:33,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 15:27:33,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-16 15:27:33,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 15:27:33,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-16 15:27:33,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-10-16 15:27:33,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 15:27:33,509 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 15:27:33,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 14 states have internal predecessors, (73), 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) [2024-10-16 15:27:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 15:27:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 15:27:33,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 15:27:33,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 15:27:33,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 15:27:33,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 15:27:33,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-16 15:27:33,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 15:27:33,975 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 15:27:33,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 15:27:33,976 INFO L85 PathProgramCache]: Analyzing trace with hash -492364431, now seen corresponding path program 3 times [2024-10-16 15:27:33,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 15:27:33,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739577142] [2024-10-16 15:27:33,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:33,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:27:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:34,176 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-16 15:27:34,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 15:27:34,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739577142] [2024-10-16 15:27:34,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739577142] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 15:27:34,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48243778] [2024-10-16 15:27:34,177 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-16 15:27:34,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 15:27:34,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 15:27:34,179 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 15:27:34,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-16 15:27:34,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-16 15:27:34,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 15:27:34,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-16 15:27:34,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 15:27:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-16 15:27:34,381 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 15:27:34,482 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-16 15:27:34,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48243778] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 15:27:34,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 15:27:34,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2024-10-16 15:27:34,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018452825] [2024-10-16 15:27:34,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 15:27:34,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-16 15:27:34,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 15:27:34,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-16 15:27:34,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-10-16 15:27:34,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 15:27:34,486 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 15:27:34,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.625) internal successors, (90), 16 states have internal predecessors, (90), 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) [2024-10-16 15:27:34,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 15:27:34,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 15:27:34,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 15:27:34,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 15:27:35,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 15:27:35,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 15:27:35,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 15:27:35,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-16 15:27:35,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-16 15:27:35,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 15:27:35,315 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 15:27:35,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 15:27:35,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1439571268, now seen corresponding path program 1 times [2024-10-16 15:27:35,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 15:27:35,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164040701] [2024-10-16 15:27:35,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:35,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:27:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:35,513 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 31 proven. 17 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-16 15:27:35,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 15:27:35,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164040701] [2024-10-16 15:27:35,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164040701] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 15:27:35,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758593883] [2024-10-16 15:27:35,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:35,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 15:27:35,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 15:27:35,516 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 15:27:35,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-16 15:27:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:35,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-16 15:27:35,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 15:27:35,740 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 33 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-16 15:27:35,740 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 15:27:35,838 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-16 15:27:35,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758593883] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 15:27:35,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 15:27:35,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 19 [2024-10-16 15:27:35,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86259350] [2024-10-16 15:27:35,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 15:27:35,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-16 15:27:35,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 15:27:35,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-16 15:27:35,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-10-16 15:27:35,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 15:27:35,840 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 15:27:35,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.15) internal successors, (103), 19 states have internal predecessors, (103), 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) [2024-10-16 15:27:35,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 15:27:35,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 15:27:35,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 15:27:35,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-16 15:27:35,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 15:27:36,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 15:27:36,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 15:27:36,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 15:27:36,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-16 15:27:36,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 15:27:36,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-16 15:27:36,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-16 15:27:36,332 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 15:27:36,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 15:27:36,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1391793675, now seen corresponding path program 2 times [2024-10-16 15:27:36,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 15:27:36,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293449448] [2024-10-16 15:27:36,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:36,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:27:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:36,549 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 69 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-16 15:27:36,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 15:27:36,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293449448] [2024-10-16 15:27:36,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293449448] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 15:27:36,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729040040] [2024-10-16 15:27:36,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 15:27:36,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 15:27:36,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 15:27:36,555 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 15:27:36,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-16 15:27:36,660 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-16 15:27:36,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 15:27:36,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-16 15:27:36,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 15:27:36,836 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 79 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-16 15:27:36,837 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 15:27:36,955 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 79 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-16 15:27:36,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729040040] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 15:27:36,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 15:27:36,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-10-16 15:27:36,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845181029] [2024-10-16 15:27:36,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 15:27:36,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-16 15:27:36,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 15:27:36,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-16 15:27:36,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-10-16 15:27:36,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 15:27:36,957 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 15:27:36,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.125) internal successors, (123), 23 states have internal predecessors, (123), 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) [2024-10-16 15:27:36,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 15:27:36,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 15:27:36,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 15:27:36,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-16 15:27:36,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 15:27:36,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 15:27:37,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 15:27:37,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 15:27:37,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 15:27:37,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-16 15:27:37,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 15:27:37,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 15:27:37,130 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-16 15:27:37,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 15:27:37,322 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 15:27:37,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 15:27:37,322 INFO L85 PathProgramCache]: Analyzing trace with hash -901132873, now seen corresponding path program 3 times [2024-10-16 15:27:37,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 15:27:37,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278079311] [2024-10-16 15:27:37,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:37,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:27:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:37,591 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 48 proven. 40 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-16 15:27:37,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 15:27:37,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278079311] [2024-10-16 15:27:37,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278079311] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 15:27:37,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1063185143] [2024-10-16 15:27:37,591 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-16 15:27:37,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 15:27:37,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 15:27:37,593 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 15:27:37,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-16 15:27:37,685 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-16 15:27:37,685 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 15:27:37,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-16 15:27:37,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 15:27:37,749 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-16 15:27:37,749 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 15:27:37,808 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-10-16 15:27:37,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1063185143] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 15:27:37,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 15:27:37,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 17 [2024-10-16 15:27:37,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324500776] [2024-10-16 15:27:37,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 15:27:37,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-16 15:27:37,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 15:27:37,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-16 15:27:37,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-10-16 15:27:37,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 15:27:37,814 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 15:27:37,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.294117647058823) internal successors, (107), 17 states have internal predecessors, (107), 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) [2024-10-16 15:27:37,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 15:27:37,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 15:27:37,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 15:27:37,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-16 15:27:37,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 15:27:37,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 15:27:37,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 15:27:38,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 15:27:38,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 15:27:38,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 15:27:38,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-16 15:27:38,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 15:27:38,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 15:27:38,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-16 15:27:38,679 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-16 15:27:38,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-16 15:27:38,864 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 15:27:38,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1113504589, now seen corresponding path program 1 times [2024-10-16 15:27:38,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:38,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:27:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:39,316 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 63 proven. 58 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-16 15:27:39,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:39,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:27:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:39,496 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 63 proven. 58 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-16 15:27:39,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 15:27:39,497 INFO L85 PathProgramCache]: Analyzing trace with hash 894380030, now seen corresponding path program 4 times [2024-10-16 15:27:39,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 15:27:39,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208690501] [2024-10-16 15:27:39,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:39,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:27:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 127 proven. 42 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-16 15:27:39,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 15:27:39,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208690501] [2024-10-16 15:27:39,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208690501] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 15:27:39,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177189059] [2024-10-16 15:27:39,763 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-16 15:27:39,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 15:27:39,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 15:27:39,764 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 15:27:39,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-16 15:27:39,864 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-16 15:27:39,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 15:27:39,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-16 15:27:39,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 15:27:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 86 proven. 68 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-10-16 15:27:40,081 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 15:27:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 86 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-16 15:27:40,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177189059] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 15:27:40,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 15:27:40,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 6] total 27 [2024-10-16 15:27:40,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404314668] [2024-10-16 15:27:40,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 15:27:40,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-10-16 15:27:40,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 15:27:40,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-10-16 15:27:40,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2024-10-16 15:27:40,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 15:27:40,171 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 15:27:40,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.851851851851852) internal successors, (158), 27 states have internal predecessors, (158), 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) [2024-10-16 15:27:40,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 15:27:40,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 15:27:40,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-10-16 15:27:40,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-10-16 15:27:40,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-10-16 15:27:40,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-10-16 15:27:40,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-10-16 15:27:40,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 15:27:40,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 15:27:40,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 15:27:40,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-16 15:27:40,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-16 15:27:40,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-16 15:27:40,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-16 15:27:40,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-16 15:27:40,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-10-16 15:27:40,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-16 15:27:41,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 15:27:41,059 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 15:27:41,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 15:27:41,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1601392796, now seen corresponding path program 4 times [2024-10-16 15:27:41,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 15:27:41,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783127618] [2024-10-16 15:27:41,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:27:41,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:27:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:27:47,456 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-16 15:27:47,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 15:27:47,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783127618] [2024-10-16 15:27:47,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783127618] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 15:27:47,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094274823] [2024-10-16 15:27:47,457 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-16 15:27:47,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 15:27:47,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 15:27:47,459 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 15:27:47,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-16 15:27:47,800 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-16 15:27:47,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 15:27:47,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-10-16 15:27:47,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 15:27:48,714 INFO L349 Elim1Store]: treesize reduction 28, result has 52.5 percent of original size [2024-10-16 15:27:48,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 46 [2024-10-16 15:27:49,366 INFO L349 Elim1Store]: treesize reduction 52, result has 37.3 percent of original size [2024-10-16 15:27:49,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 103 treesize of output 102 [2024-10-16 15:27:50,889 INFO L349 Elim1Store]: treesize reduction 76, result has 29.0 percent of original size [2024-10-16 15:27:50,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 30 case distinctions, treesize of input 278 treesize of output 206 [2024-10-16 15:27:52,967 INFO L349 Elim1Store]: treesize reduction 100, result has 23.7 percent of original size [2024-10-16 15:27:52,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 6 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 57 case distinctions, treesize of input 365 treesize of output 262 [2024-10-16 15:27:55,518 INFO L349 Elim1Store]: treesize reduction 124, result has 20.0 percent of original size [2024-10-16 15:27:55,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 10 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 93 case distinctions, treesize of input 461 treesize of output 331 [2024-10-16 15:28:31,103 WARN L286 SmtUtils]: Spent 31.99s on a formula simplification that was a NOOP. DAG size: 2167 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-10-16 15:28:31,104 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-16 15:28:31,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 95 select indices, 95 select index equivalence classes, 10 disjoint index pairs (out of 4465 index pairs), introduced 95 new quantified variables, introduced 4465 case distinctions, treesize of input 1701 treesize of output 7477 [2024-10-16 15:37:02,446 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-10-16 15:37:02,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2024-10-16 15:37:02,448 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-10-16 15:37:02,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-16 15:37:02,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-16 15:37:02,649 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:195) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:290) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:309) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:307) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 69 more [2024-10-16 15:37:02,652 INFO L158 Benchmark]: Toolchain (without parser) took 573523.21ms. Allocated memory was 94.4MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 70.3MB in the beginning and 742.2MB in the end (delta: -671.9MB). Peak memory consumption was 854.8MB. Max. memory is 16.1GB. [2024-10-16 15:37:02,653 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 15:37:02,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.41ms. Allocated memory is still 94.4MB. Free memory was 70.0MB in the beginning and 56.6MB in the end (delta: 13.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-16 15:37:02,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.71ms. Allocated memory is still 94.4MB. Free memory was 56.6MB in the beginning and 54.6MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-16 15:37:02,654 INFO L158 Benchmark]: Boogie Preprocessor took 41.13ms. Allocated memory is still 94.4MB. Free memory was 54.6MB in the beginning and 52.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 15:37:02,654 INFO L158 Benchmark]: RCFGBuilder took 702.55ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 58.9MB in the end (delta: -6.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-10-16 15:37:02,654 INFO L158 Benchmark]: TraceAbstraction took 572471.62ms. Allocated memory was 94.4MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 57.3MB in the beginning and 742.2MB in the end (delta: -684.9MB). Peak memory consumption was 839.3MB. Max. memory is 16.1GB. [2024-10-16 15:37:02,655 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 47.3MB in the beginning and 47.2MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.41ms. Allocated memory is still 94.4MB. Free memory was 70.0MB in the beginning and 56.6MB in the end (delta: 13.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.71ms. Allocated memory is still 94.4MB. Free memory was 56.6MB in the beginning and 54.6MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.13ms. Allocated memory is still 94.4MB. Free memory was 54.6MB in the beginning and 52.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 702.55ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 58.9MB in the end (delta: -6.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * TraceAbstraction took 572471.62ms. Allocated memory was 94.4MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 57.3MB in the beginning and 742.2MB in the end (delta: -684.9MB). Peak memory consumption was 839.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-16 15:37:02,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-16 15:37:04,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 15:37:04,621 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2024-10-16 15:37:04,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 15:37:04,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 15:37:04,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 15:37:04,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 15:37:04,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 15:37:04,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 15:37:04,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 15:37:04,654 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 15:37:04,654 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 15:37:04,655 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 15:37:04,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 15:37:04,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 15:37:04,657 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 15:37:04,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 15:37:04,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 15:37:04,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 15:37:04,658 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 15:37:04,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 15:37:04,658 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-16 15:37:04,658 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 15:37:04,659 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-16 15:37:04,659 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 15:37:04,659 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 15:37:04,659 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 15:37:04,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 15:37:04,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 15:37:04,660 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 15:37:04,660 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 15:37:04,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 15:37:04,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 15:37:04,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 15:37:04,660 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 15:37:04,660 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-16 15:37:04,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 15:37:04,661 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 15:37:04,661 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-16 15:37:04,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 15:37:04,661 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-16 15:37:04,662 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 15:37:04,662 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 15:37:04,662 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/UGemCutter-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.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1d27b7f98ac68d2da6120346c107c87df7f6f708200f0d5d2c806741122116e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION [2024-10-16 15:37:04,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 15:37:04,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 15:37:04,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 15:37:04,946 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 15:37:04,946 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 15:37:04,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-10-16 15:37:06,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 15:37:06,501 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 15:37:06,502 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2024-10-16 15:37:06,508 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1c331b3b2/c17d3293c4c44e048d3d3e45cac991cd/FLAG26fa56a47 [2024-10-16 15:37:06,891 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1c331b3b2/c17d3293c4c44e048d3d3e45cac991cd [2024-10-16 15:37:06,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 15:37:06,893 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 15:37:06,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 15:37:06,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 15:37:06,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 15:37:06,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:37:06" (1/1) ... [2024-10-16 15:37:06,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8f6e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:37:06, skipping insertion in model container [2024-10-16 15:37:06,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:37:06" (1/1) ... [2024-10-16 15:37:06,923 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 15:37:07,105 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2730,2743] [2024-10-16 15:37:07,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 15:37:07,127 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 15:37:07,151 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2730,2743] [2024-10-16 15:37:07,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 15:37:07,183 INFO L204 MainTranslator]: Completed translation [2024-10-16 15:37:07,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:37:07 WrapperNode [2024-10-16 15:37:07,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 15:37:07,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 15:37:07,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 15:37:07,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 15:37:07,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:37:07" (1/1) ... [2024-10-16 15:37:07,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:37:07" (1/1) ... [2024-10-16 15:37:07,232 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 137 [2024-10-16 15:37:07,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 15:37:07,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 15:37:07,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 15:37:07,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 15:37:07,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:37:07" (1/1) ... [2024-10-16 15:37:07,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:37:07" (1/1) ... [2024-10-16 15:37:07,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:37:07" (1/1) ... [2024-10-16 15:37:07,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:37:07" (1/1) ... [2024-10-16 15:37:07,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:37:07" (1/1) ... [2024-10-16 15:37:07,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:37:07" (1/1) ... [2024-10-16 15:37:07,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:37:07" (1/1) ... [2024-10-16 15:37:07,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:37:07" (1/1) ... [2024-10-16 15:37:07,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 15:37:07,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 15:37:07,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 15:37:07,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 15:37:07,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:37:07" (1/1) ... [2024-10-16 15:37:07,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 15:37:07,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 15:37:07,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-16 15:37:07,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-16 15:37:07,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 15:37:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-16 15:37:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-10-16 15:37:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-16 15:37:07,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-16 15:37:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-16 15:37:07,360 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-16 15:37:07,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-16 15:37:07,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-16 15:37:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-16 15:37:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-16 15:37:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-16 15:37:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 15:37:07,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 15:37:07,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-10-16 15:37:07,364 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-16 15:37:07,480 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 15:37:07,482 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 15:37:07,822 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 15:37:07,822 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 15:37:08,052 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 15:37:08,052 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-16 15:37:08,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:37:08 BoogieIcfgContainer [2024-10-16 15:37:08,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 15:37:08,054 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 15:37:08,054 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 15:37:08,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 15:37:08,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:37:06" (1/3) ... [2024-10-16 15:37:08,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e712af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:37:08, skipping insertion in model container [2024-10-16 15:37:08,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:37:07" (2/3) ... [2024-10-16 15:37:08,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e712af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:37:08, skipping insertion in model container [2024-10-16 15:37:08,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:37:08" (3/3) ... [2024-10-16 15:37:08,061 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2024-10-16 15:37:08,073 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 15:37:08,074 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-16 15:37:08,074 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 15:37:08,116 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-16 15:37:08,153 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 15:37:08,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 15:37:08,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 15:37:08,155 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-16 15:37:08,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-16 15:37:08,227 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 15:37:08,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 15:37:08,243 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 15:37:08,248 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@5c5bc223, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 15:37:08,248 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-16 15:37:09,316 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 15:37:09,438 INFO L85 PathProgramCache]: Analyzing trace with hash -2122439433, now seen corresponding path program 1 times [2024-10-16 15:37:09,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 15:37:09,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 15:37:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 15:37:10,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-16 15:37:10,846 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 3089 column 240: unknown constant nat2bv (Int) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:584) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.postprocessInterpolant(NestedInterpolantsBuilder.java:393) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.buildPredicates(NestedInterpolantsBuilder.java:360) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:156) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:320) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:222) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraigSleepSetPOR.construct(IpTcStrategyModuleCraigSleepSetPOR.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraigSleepSetPOR.construct(IpTcStrategyModuleCraigSleepSetPOR.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.PostConditionTraceChecker.checkTrace(PostConditionTraceChecker.java:110) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityChecker.checkConditionalCommutativity(ConditionalCommutativityChecker.java:222) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCounterexampleChecker.getInterpolants(ConditionalCommutativityCounterexampleChecker.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:307) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-10-16 15:37:10,851 INFO L158 Benchmark]: Toolchain (without parser) took 3956.74ms. Allocated memory was 65.0MB in the beginning and 172.0MB in the end (delta: 107.0MB). Free memory was 41.8MB in the beginning and 143.6MB in the end (delta: -101.8MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2024-10-16 15:37:10,851 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 15:37:10,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.85ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 41.6MB in the beginning and 76.5MB in the end (delta: -34.9MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-10-16 15:37:10,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.34ms. Allocated memory is still 96.5MB. Free memory was 76.5MB in the beginning and 74.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 15:37:10,852 INFO L158 Benchmark]: Boogie Preprocessor took 34.04ms. Allocated memory is still 96.5MB. Free memory was 74.5MB in the beginning and 72.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 15:37:10,853 INFO L158 Benchmark]: RCFGBuilder took 784.57ms. Allocated memory is still 96.5MB. Free memory was 72.4MB in the beginning and 60.6MB in the end (delta: 11.8MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2024-10-16 15:37:10,853 INFO L158 Benchmark]: TraceAbstraction took 2795.80ms. Allocated memory was 96.5MB in the beginning and 172.0MB in the end (delta: 75.5MB). Free memory was 59.4MB in the beginning and 143.6MB in the end (delta: -84.3MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2024-10-16 15:37:10,856 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.85ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 41.6MB in the beginning and 76.5MB in the end (delta: -34.9MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.34ms. Allocated memory is still 96.5MB. Free memory was 76.5MB in the beginning and 74.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.04ms. Allocated memory is still 96.5MB. Free memory was 74.5MB in the beginning and 72.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 784.57ms. Allocated memory is still 96.5MB. Free memory was 72.4MB in the beginning and 60.6MB in the end (delta: 11.8MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2795.80ms. Allocated memory was 96.5MB in the beginning and 172.0MB in the end (delta: 75.5MB). Free memory was 59.4MB in the beginning and 143.6MB in the end (delta: -84.3MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 3089 column 240: unknown constant nat2bv (Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 3089 column 240: unknown constant nat2bv (Int) : de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-16 15:37:10,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-16 15:37:11,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 1 Received shutdown request...