/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m [2024-01-26 05:06:47,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-26 05:06:47,466 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-01-26 05:06:47,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-26 05:06:47,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-26 05:06:47,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-26 05:06:47,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-26 05:06:47,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-26 05:06:47,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-26 05:06:47,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-26 05:06:47,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-26 05:06:47,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-26 05:06:47,501 INFO L153 SettingsManager]: * Use SBE=true [2024-01-26 05:06:47,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-26 05:06:47,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-26 05:06:47,502 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-26 05:06:47,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-26 05:06:47,502 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-26 05:06:47,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-26 05:06:47,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-26 05:06:47,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-26 05:06:47,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-26 05:06:47,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-26 05:06:47,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-26 05:06:47,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-26 05:06:47,509 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-26 05:06:47,509 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-26 05:06:47,509 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-01-26 05:06:47,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-26 05:06:47,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 05:06:47,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-26 05:06:47,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-26 05:06:47,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-26 05:06:47,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-26 05:06:47,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-26 05:06:47,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-26 05:06:47,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-01-26 05:06:47,511 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-26 05:06:47,512 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-01-26 05:06:47,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-01-26 05:06:47,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-26 05:06:47,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-26 05:06:47,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-26 05:06:47,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-26 05:06:47,762 INFO L274 PluginConnector]: CDTParser initialized [2024-01-26 05:06:47,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2024-01-26 05:06:48,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-26 05:06:49,109 INFO L384 CDTParser]: Found 1 translation units. [2024-01-26 05:06:49,109 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2024-01-26 05:06:49,115 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8a85ef237/ae362a09adbd4fe79f9b2fa09bdd0a5f/FLAGbe6514b31 [2024-01-26 05:06:49,125 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8a85ef237/ae362a09adbd4fe79f9b2fa09bdd0a5f [2024-01-26 05:06:49,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-26 05:06:49,128 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-26 05:06:49,129 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-26 05:06:49,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-26 05:06:49,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-26 05:06:49,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:06:49" (1/1) ... [2024-01-26 05:06:49,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb5c82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:06:49, skipping insertion in model container [2024-01-26 05:06:49,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:06:49" (1/1) ... [2024-01-26 05:06:49,167 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-26 05:06:49,322 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c[5378,5391] [2024-01-26 05:06:49,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 05:06:49,336 INFO L202 MainTranslator]: Completed pre-run [2024-01-26 05:06:49,363 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c[5378,5391] [2024-01-26 05:06:49,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-26 05:06:49,377 INFO L206 MainTranslator]: Completed translation [2024-01-26 05:06:49,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:06:49 WrapperNode [2024-01-26 05:06:49,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-26 05:06:49,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-26 05:06:49,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-26 05:06:49,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-26 05:06:49,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:06:49" (1/1) ... [2024-01-26 05:06:49,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:06:49" (1/1) ... [2024-01-26 05:06:49,447 INFO L138 Inliner]: procedures = 27, calls = 130, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 377 [2024-01-26 05:06:49,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-26 05:06:49,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-26 05:06:49,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-26 05:06:49,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-26 05:06:49,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:06:49" (1/1) ... [2024-01-26 05:06:49,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:06:49" (1/1) ... [2024-01-26 05:06:49,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:06:49" (1/1) ... [2024-01-26 05:06:49,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:06:49" (1/1) ... [2024-01-26 05:06:49,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:06:49" (1/1) ... [2024-01-26 05:06:49,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:06:49" (1/1) ... [2024-01-26 05:06:49,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:06:49" (1/1) ... [2024-01-26 05:06:49,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:06:49" (1/1) ... [2024-01-26 05:06:49,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-26 05:06:49,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-26 05:06:49,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-26 05:06:49,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-26 05:06:49,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:06:49" (1/1) ... [2024-01-26 05:06:49,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-01-26 05:06:49,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:06:49,550 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) [2024-01-26 05:06:49,574 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 [2024-01-26 05:06:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-26 05:06:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-26 05:06:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-01-26 05:06:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-01-26 05:06:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-26 05:06:49,583 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-26 05:06:49,583 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-26 05:06:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-26 05:06:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-26 05:06:49,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-26 05:06:49,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-01-26 05:06:49,585 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-01-26 05:06:49,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-01-26 05:06:49,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-01-26 05:06:49,586 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-01-26 05:06:49,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-01-26 05:06:49,586 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-01-26 05:06:49,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2024-01-26 05:06:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2024-01-26 05:06:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2024-01-26 05:06:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2024-01-26 05:06:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-26 05:06:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-26 05:06:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-26 05:06:49,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-26 05:06:49,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-26 05:06:49,589 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-26 05:06:49,719 INFO L241 CfgBuilder]: Building ICFG [2024-01-26 05:06:49,721 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-26 05:06:50,105 INFO L282 CfgBuilder]: Performing block encoding [2024-01-26 05:06:50,244 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-26 05:06:50,245 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-26 05:06:50,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:06:50 BoogieIcfgContainer [2024-01-26 05:06:50,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-26 05:06:50,251 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-26 05:06:50,251 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-26 05:06:50,254 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-26 05:06:50,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 05:06:49" (1/3) ... [2024-01-26 05:06:50,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f54f7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:06:50, skipping insertion in model container [2024-01-26 05:06:50,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:06:49" (2/3) ... [2024-01-26 05:06:50,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f54f7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:06:50, skipping insertion in model container [2024-01-26 05:06:50,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:06:50" (3/3) ... [2024-01-26 05:06:50,257 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2024-01-26 05:06:50,264 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-01-26 05:06:50,270 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-26 05:06:50,270 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-01-26 05:06:50,270 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-26 05:06:50,372 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-01-26 05:06:50,413 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 05:06:50,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-01-26 05:06:50,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-01-26 05:06:50,416 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) [2024-01-26 05:06:50,422 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 [2024-01-26 05:06:50,465 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-01-26 05:06:50,471 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-01-26 05:06:50,481 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@238b8e5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-26 05:06:50,481 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-01-26 05:06:50,654 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:06:50,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:06:50,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1379063467, now seen corresponding path program 1 times [2024-01-26 05:06:50,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:06:50,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711312644] [2024-01-26 05:06:50,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:06:50,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:06:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:06:51,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:06:51,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:06:51,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711312644] [2024-01-26 05:06:51,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711312644] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 05:06:51,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 05:06:51,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-26 05:06:51,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231503014] [2024-01-26 05:06:51,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 05:06:51,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-01-26 05:06:51,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:06:51,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-01-26 05:06:51,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-01-26 05:06:51,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:06:51,127 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:06:51,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 109.5) internal successors, (219), 2 states have internal predecessors, (219), 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) [2024-01-26 05:06:51,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:06:51,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:06:51,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-26 05:06:51,214 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-01-26 05:06:51,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-26 05:06:51,214 INFO L85 PathProgramCache]: Analyzing trace with hash 436684139, now seen corresponding path program 1 times [2024-01-26 05:06:51,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-26 05:06:51,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035658341] [2024-01-26 05:06:51,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-26 05:06:51,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-26 05:06:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-26 05:06:53,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-26 05:06:53,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-26 05:06:53,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035658341] [2024-01-26 05:06:53,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035658341] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-26 05:06:53,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-26 05:06:53,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-01-26 05:06:53,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576276353] [2024-01-26 05:06:53,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-26 05:06:53,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-01-26 05:06:53,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-26 05:06:53,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-01-26 05:06:53,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-01-26 05:06:53,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:06:53,938 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-01-26 05:06:53,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 21.7) internal successors, (217), 10 states have internal predecessors, (217), 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) [2024-01-26 05:06:53,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-01-26 05:06:53,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.