/usr/bin/java -Xmx7000000000 -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 ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-08 05:16:55,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-08 05:16:55,356 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-09-08 05:16:55,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-08 05:16:55,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-08 05:16:55,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-08 05:16:55,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 05:16:55,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 05:16:55,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 05:16:55,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-08 05:16:55,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-08 05:16:55,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 05:16:55,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 05:16:55,392 INFO L153 SettingsManager]: * Use SBE=true [2023-09-08 05:16:55,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 05:16:55,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-08 05:16:55,394 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-08 05:16:55,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 05:16:55,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-08 05:16:55,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 05:16:55,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-08 05:16:55,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-08 05:16:55,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-08 05:16:55,395 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-08 05:16:55,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 05:16:55,395 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-08 05:16:55,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 05:16:55,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 05:16:55,396 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-08 05:16:55,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-08 05:16:55,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 05:16:55,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 05:16:55,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-08 05:16:55,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-08 05:16:55,398 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 05:16:55,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-08 05:16:55,398 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 05:16:55,398 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-08 05:16:55,399 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-08 05:16:55,399 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-09-08 05:16:55,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-08 05:16:55,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 05:16:55,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 05:16:55,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 05:16:55,655 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 05:16:55,655 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 05:16:55,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2023-09-08 05:16:56,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 05:16:56,985 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 05:16:56,985 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2023-09-08 05:16:56,992 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ab9cfa1c/c0ee8d8d04b84ff0a73bc171a932d596/FLAG19005e750 [2023-09-08 05:16:57,002 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ab9cfa1c/c0ee8d8d04b84ff0a73bc171a932d596 [2023-09-08 05:16:57,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 05:16:57,005 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 05:16:57,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 05:16:57,006 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 05:16:57,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 05:16:57,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 05:16:57" (1/1) ... [2023-09-08 05:16:57,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b3910dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:16:57, skipping insertion in model container [2023-09-08 05:16:57,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 05:16:57" (1/1) ... [2023-09-08 05:16:57,046 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-08 05:16:57,174 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c[4085,4098] [2023-09-08 05:16:57,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 05:16:57,189 INFO L202 MainTranslator]: Completed pre-run [2023-09-08 05:16:57,212 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c[4085,4098] [2023-09-08 05:16:57,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 05:16:57,222 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 05:16:57,222 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 05:16:57,228 INFO L206 MainTranslator]: Completed translation [2023-09-08 05:16:57,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:16:57 WrapperNode [2023-09-08 05:16:57,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 05:16:57,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 05:16:57,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 05:16:57,230 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 05:16:57,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:16:57" (1/1) ... [2023-09-08 05:16:57,245 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:16:57" (1/1) ... [2023-09-08 05:16:57,271 INFO L138 Inliner]: procedures = 25, calls = 63, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 331 [2023-09-08 05:16:57,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 05:16:57,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 05:16:57,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 05:16:57,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 05:16:57,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:16:57" (1/1) ... [2023-09-08 05:16:57,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:16:57" (1/1) ... [2023-09-08 05:16:57,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:16:57" (1/1) ... [2023-09-08 05:16:57,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:16:57" (1/1) ... [2023-09-08 05:16:57,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:16:57" (1/1) ... [2023-09-08 05:16:57,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:16:57" (1/1) ... [2023-09-08 05:16:57,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:16:57" (1/1) ... [2023-09-08 05:16:57,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:16:57" (1/1) ... [2023-09-08 05:16:57,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 05:16:57,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 05:16:57,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 05:16:57,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 05:16:57,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:16:57" (1/1) ... [2023-09-08 05:16:57,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 05:16:57,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:16:57,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-08 05:16:57,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-08 05:16:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 05:16:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 05:16:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 05:16:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-08 05:16:57,391 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-08 05:16:57,392 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-08 05:16:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-08 05:16:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-08 05:16:57,393 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-08 05:16:57,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-08 05:16:57,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 05:16:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-08 05:16:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-08 05:16:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-08 05:16:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 05:16:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 05:16:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 05:16:57,397 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-08 05:16:57,523 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 05:16:57,525 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 05:16:57,982 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 05:16:58,138 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 05:16:58,139 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-09-08 05:16:58,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 05:16:58 BoogieIcfgContainer [2023-09-08 05:16:58,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 05:16:58,143 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-08 05:16:58,143 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-08 05:16:58,146 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-08 05:16:58,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 05:16:57" (1/3) ... [2023-09-08 05:16:58,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f42502a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 05:16:58, skipping insertion in model container [2023-09-08 05:16:58,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:16:57" (2/3) ... [2023-09-08 05:16:58,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f42502a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 05:16:58, skipping insertion in model container [2023-09-08 05:16:58,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 05:16:58" (3/3) ... [2023-09-08 05:16:58,148 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring-nondet.wvr.c [2023-09-08 05:16:58,155 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-08 05:16:58,162 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-08 05:16:58,162 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-08 05:16:58,162 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-08 05:16:58,267 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-09-08 05:16:58,319 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 05:16:58,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 05:16:58,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:16:58,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-08 05:16:58,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-08 05:16:58,355 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 05:16:58,361 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 05:16:58,367 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=LoopsAndPotentialCycles, 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;@5392712c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 05:16:58,367 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-09-08 05:16:58,698 INFO L420 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)] === [2023-09-08 05:16:58,702 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:16:58,702 INFO L85 PathProgramCache]: Analyzing trace with hash -17466777, now seen corresponding path program 1 times [2023-09-08 05:16:58,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:16:58,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088766219] [2023-09-08 05:16:58,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:16:58,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:16:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:16:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-08 05:16:59,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:16:59,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088766219] [2023-09-08 05:16:59,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088766219] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:16:59,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 05:16:59,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-08 05:16:59,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839991396] [2023-09-08 05:16:59,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:16:59,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-08 05:16:59,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:16:59,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-08 05:16:59,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-08 05:16:59,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:16:59,088 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:16:59,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 104.5) internal successors, (209), 2 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:16:59,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:16:59,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:16:59,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-08 05:16:59,198 INFO L420 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)] === [2023-09-08 05:16:59,199 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:16:59,199 INFO L85 PathProgramCache]: Analyzing trace with hash 612351681, now seen corresponding path program 1 times [2023-09-08 05:16:59,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:16:59,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949905840] [2023-09-08 05:16:59,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:16:59,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:16:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:16:59,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-08 05:16:59,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:16:59,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949905840] [2023-09-08 05:16:59,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949905840] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:16:59,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 05:16:59,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-08 05:16:59,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330363824] [2023-09-08 05:16:59,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:16:59,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-08 05:16:59,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:16:59,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-08 05:16:59,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-08 05:16:59,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:16:59,795 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:16:59,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:16:59,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:16:59,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:16:59,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:16:59,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:16:59,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-08 05:16:59,880 INFO L420 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)] === [2023-09-08 05:16:59,880 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:16:59,880 INFO L85 PathProgramCache]: Analyzing trace with hash 115003022, now seen corresponding path program 2 times [2023-09-08 05:16:59,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:16:59,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261123986] [2023-09-08 05:16:59,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:16:59,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:16:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:17:00,404 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-09-08 05:17:00,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:17:00,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261123986] [2023-09-08 05:17:00,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261123986] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:17:00,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 05:17:00,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-09-08 05:17:00,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594988419] [2023-09-08 05:17:00,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:17:00,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-08 05:17:00,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:17:00,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-08 05:17:00,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-09-08 05:17:00,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:00,411 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:17:00,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:17:00,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:00,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:00,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:00,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:00,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:00,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:00,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-09-08 05:17:00,580 INFO L420 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)] === [2023-09-08 05:17:00,581 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:17:00,582 INFO L85 PathProgramCache]: Analyzing trace with hash 2132410131, now seen corresponding path program 1 times [2023-09-08 05:17:00,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:17:00,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134002955] [2023-09-08 05:17:00,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:17:00,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:17:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:17:00,930 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-09-08 05:17:00,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:17:00,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134002955] [2023-09-08 05:17:00,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134002955] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:17:00,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 05:17:00,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-09-08 05:17:00,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405016730] [2023-09-08 05:17:00,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:17:00,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-09-08 05:17:00,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:17:00,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-09-08 05:17:00,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-09-08 05:17:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:00,938 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:17:00,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.6) internal successors, (208), 5 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:17:00,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:00,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:00,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:00,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:01,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:01,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:01,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:01,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 05:17:01,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-09-08 05:17:01,088 INFO L420 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)] === [2023-09-08 05:17:01,089 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:17:01,089 INFO L85 PathProgramCache]: Analyzing trace with hash -239889093, now seen corresponding path program 1 times [2023-09-08 05:17:01,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:17:01,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407809377] [2023-09-08 05:17:01,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:17:01,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:17:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:17:01,293 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-09-08 05:17:01,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:17:01,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407809377] [2023-09-08 05:17:01,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407809377] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:17:01,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140885439] [2023-09-08 05:17:01,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:17:01,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:17:01,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:17:01,331 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 05:17:01,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-08 05:17:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:17:01,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 7 conjunts are in the unsatisfiable core [2023-09-08 05:17:01,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:17:01,656 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 8 [2023-09-08 05:17:01,660 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-09-08 05:17:01,660 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:17:01,764 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-09-08 05:17:01,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140885439] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:17:01,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:17:01,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2023-09-08 05:17:01,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387489490] [2023-09-08 05:17:01,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:17:01,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-08 05:17:01,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:17:01,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-08 05:17:01,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-09-08 05:17:01,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:01,767 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:17:01,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.0) internal successors, (228), 6 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:17:01,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:01,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:01,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:01,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 05:17:01,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:01,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:01,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:01,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:01,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 05:17:01,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-09-08 05:17:01,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-08 05:17:02,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:17:02,159 INFO L420 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)] === [2023-09-08 05:17:02,160 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:17:02,160 INFO L85 PathProgramCache]: Analyzing trace with hash -402218476, now seen corresponding path program 2 times [2023-09-08 05:17:02,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:17:02,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069489114] [2023-09-08 05:17:02,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:17:02,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:17:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:17:02,289 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-09-08 05:17:02,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:17:02,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069489114] [2023-09-08 05:17:02,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069489114] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:17:02,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 05:17:02,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-09-08 05:17:02,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371324975] [2023-09-08 05:17:02,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:17:02,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-08 05:17:02,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:17:02,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-08 05:17:02,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-08 05:17:02,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:02,296 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:17:02,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:17:02,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:02,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:02,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:02,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 05:17:02,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-09-08 05:17:02,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:04,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:04,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:04,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-09-08 05:17:04,050 INFO L420 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)] === [2023-09-08 05:17:04,051 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:17:04,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1818878913, now seen corresponding path program 3 times [2023-09-08 05:17:04,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:17:04,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213462376] [2023-09-08 05:17:04,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:17:04,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:17:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:17:04,612 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-09-08 05:17:04,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:17:04,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213462376] [2023-09-08 05:17:04,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213462376] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:17:04,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004459240] [2023-09-08 05:17:04,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-08 05:17:04,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:17:04,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:17:04,614 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 05:17:04,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-08 05:17:04,791 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-09-08 05:17:04,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:17:04,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 19 conjunts are in the unsatisfiable core [2023-09-08 05:17:04,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:17:05,368 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-09-08 05:17:05,369 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:17:05,387 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2023-09-08 05:17:05,877 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-09-08 05:17:05,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004459240] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:17:05,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:17:05,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 30 [2023-09-08 05:17:05,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488477720] [2023-09-08 05:17:05,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:17:05,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-09-08 05:17:05,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:17:05,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-09-08 05:17:05,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=756, Unknown=0, NotChecked=0, Total=870 [2023-09-08 05:17:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:05,881 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:17:05,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 15.366666666666667) internal successors, (461), 30 states have internal predecessors, (461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:17:05,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:05,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:05,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:05,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:05,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:05,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:05,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:09,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:09,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:09,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:09,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:09,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:09,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:09,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:17:09,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-08 05:17:09,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:17:09,384 INFO L420 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)] === [2023-09-08 05:17:09,385 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:17:09,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1301600810, now seen corresponding path program 4 times [2023-09-08 05:17:09,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:17:09,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941517446] [2023-09-08 05:17:09,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:17:09,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:17:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:17:10,155 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-09-08 05:17:10,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:17:10,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941517446] [2023-09-08 05:17:10,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941517446] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:17:10,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19647952] [2023-09-08 05:17:10,156 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-08 05:17:10,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:17:10,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:17:10,161 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 05:17:10,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-08 05:17:10,322 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-08 05:17:10,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 05:17:10,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 11 conjunts are in the unsatisfiable core [2023-09-08 05:17:10,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:17:10,510 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-09-08 05:17:10,511 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-09-08 05:17:10,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19647952] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:17:10,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-09-08 05:17:10,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2023-09-08 05:17:10,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366681142] [2023-09-08 05:17:10,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:17:10,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-08 05:17:10,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:17:10,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-08 05:17:10,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2023-09-08 05:17:10,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:10,514 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:17:10,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.333333333333336) internal successors, (218), 6 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:17:10,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:10,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:10,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:10,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:10,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:10,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:10,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:17:10,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:17:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:12,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-08 05:17:12,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:17:12,305 INFO L420 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)] === [2023-09-08 05:17:12,305 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:17:12,305 INFO L85 PathProgramCache]: Analyzing trace with hash -709022920, now seen corresponding path program 1 times [2023-09-08 05:17:12,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:17:12,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387133197] [2023-09-08 05:17:12,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:17:12,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:17:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:17:13,055 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-09-08 05:17:13,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:17:13,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387133197] [2023-09-08 05:17:13,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387133197] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:17:13,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398230206] [2023-09-08 05:17:13,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:17:13,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:17:13,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:17:13,057 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 05:17:13,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-08 05:17:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:17:13,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 9 conjunts are in the unsatisfiable core [2023-09-08 05:17:13,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:17:13,504 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-09-08 05:17:13,504 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-09-08 05:17:13,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398230206] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 05:17:13,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-09-08 05:17:13,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2023-09-08 05:17:13,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290027661] [2023-09-08 05:17:13,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 05:17:13,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-09-08 05:17:13,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:17:13,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-09-08 05:17:13,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2023-09-08 05:17:13,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:13,507 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:17:13,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.666666666666664) internal successors, (226), 6 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:17:13,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:13,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:13,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:13,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:13,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:13,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:13,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:17:13,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:13,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:14,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:14,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:14,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:14,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:14,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:14,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:14,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:17:14,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:14,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:14,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-09-08 05:17:14,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:17:14,826 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-08 05:17:14,827 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 05:17:14,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1236577404, now seen corresponding path program 1 times [2023-09-08 05:17:14,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 05:17:14,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395703156] [2023-09-08 05:17:14,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:17:14,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 05:17:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:17:15,542 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-09-08 05:17:15,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 05:17:15,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395703156] [2023-09-08 05:17:15,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395703156] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 05:17:15,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693209055] [2023-09-08 05:17:15,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 05:17:15,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:17:15,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 05:17:15,543 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 05:17:15,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-08 05:17:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 05:17:15,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 23 conjunts are in the unsatisfiable core [2023-09-08 05:17:15,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 05:17:16,399 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-09-08 05:17:16,399 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 05:17:16,412 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2023-09-08 05:17:17,293 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-09-08 05:17:17,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693209055] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 05:17:17,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 05:17:17,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 36 [2023-09-08 05:17:17,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148522200] [2023-09-08 05:17:17,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 05:17:17,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2023-09-08 05:17:17,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 05:17:17,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2023-09-08 05:17:17,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1102, Unknown=0, NotChecked=0, Total=1260 [2023-09-08 05:17:17,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:17,297 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 05:17:17,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 15.527777777777779) internal successors, (559), 36 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-08 05:17:17,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:17,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:17,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:17,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:17,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:17,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:17,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2023-09-08 05:17:17,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:17,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:17,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:30,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 05:17:30,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:30,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-08 05:17:30,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:30,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 05:17:30,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-08 05:17:30,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-09-08 05:17:30,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 05:17:30,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-09-08 05:17:30,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2023-09-08 05:17:30,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-09-08 05:17:30,921 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-09-08 05:17:30,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-09-08 05:17:30,922 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-09-08 05:17:30,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-09-08 05:17:31,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 05:17:31,132 INFO L445 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1] [2023-09-08 05:17:31,134 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-08 05:17:31,134 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-08 05:17:31,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 05:17:31 BasicIcfg [2023-09-08 05:17:31,138 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-08 05:17:31,140 INFO L158 Benchmark]: Toolchain (without parser) took 34132.86ms. Allocated memory was 159.4MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 108.0MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 831.0MB. Max. memory is 7.0GB. [2023-09-08 05:17:31,140 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-08 05:17:31,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.73ms. Allocated memory is still 159.4MB. Free memory was 108.0MB in the beginning and 95.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. [2023-09-08 05:17:31,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.49ms. Allocated memory is still 159.4MB. Free memory was 95.3MB in the beginning and 92.6MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-08 05:17:31,141 INFO L158 Benchmark]: Boogie Preprocessor took 31.26ms. Allocated memory is still 159.4MB. Free memory was 92.6MB in the beginning and 90.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 05:17:31,141 INFO L158 Benchmark]: RCFGBuilder took 836.61ms. Allocated memory was 159.4MB in the beginning and 251.7MB in the end (delta: 92.3MB). Free memory was 90.5MB in the beginning and 195.3MB in the end (delta: -104.8MB). Peak memory consumption was 20.0MB. Max. memory is 7.0GB. [2023-09-08 05:17:31,141 INFO L158 Benchmark]: TraceAbstraction took 32994.86ms. Allocated memory was 251.7MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 194.7MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 824.6MB. Max. memory is 7.0GB. [2023-09-08 05:17:31,143 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 222.73ms. Allocated memory is still 159.4MB. Free memory was 108.0MB in the beginning and 95.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 42.49ms. Allocated memory is still 159.4MB. Free memory was 95.3MB in the beginning and 92.6MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 31.26ms. Allocated memory is still 159.4MB. Free memory was 92.6MB in the beginning and 90.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 836.61ms. Allocated memory was 159.4MB in the beginning and 251.7MB in the end (delta: 92.3MB). Free memory was 90.5MB in the beginning and 195.3MB in the end (delta: -104.8MB). Peak memory consumption was 20.0MB. Max. memory is 7.0GB. * TraceAbstraction took 32994.86ms. Allocated memory was 251.7MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 194.7MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 824.6MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2292246, independent: 2042123, independent conditional: 2042123, independent unconditional: 0, dependent: 250123, dependent conditional: 250123, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2044542, independent: 2042123, independent conditional: 2042123, independent unconditional: 0, dependent: 2419, dependent conditional: 2419, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2044542, independent: 2042123, independent conditional: 2042123, independent unconditional: 0, dependent: 2419, dependent conditional: 2419, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2069725, independent: 2042123, independent conditional: 2333, independent unconditional: 2039790, dependent: 27602, dependent conditional: 22850, dependent unconditional: 4752, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2069725, independent: 2042123, independent conditional: 2333, independent unconditional: 2039790, dependent: 27602, dependent conditional: 6062, dependent unconditional: 21540, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2069725, independent: 2042123, independent conditional: 2333, independent unconditional: 2039790, dependent: 27602, dependent conditional: 6062, dependent unconditional: 21540, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2016, independent: 1936, independent conditional: 75, independent unconditional: 1861, dependent: 80, dependent conditional: 66, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2016, independent: 1858, independent conditional: 0, independent unconditional: 1858, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 158, independent: 78, independent conditional: 75, independent unconditional: 3, dependent: 80, dependent conditional: 66, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 158, independent: 78, independent conditional: 75, independent unconditional: 3, dependent: 80, dependent conditional: 66, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 829, independent: 431, independent conditional: 360, independent unconditional: 70, dependent: 398, dependent conditional: 330, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2069725, independent: 2040187, independent conditional: 2258, independent unconditional: 2037929, dependent: 27522, dependent conditional: 5996, dependent unconditional: 21526, unknown: 2016, unknown conditional: 141, unknown unconditional: 1875] , Statistics on independence cache: Total cache size (in pairs): 2016, Positive cache size: 1936, Positive conditional cache size: 75, Positive unconditional cache size: 1861, Negative cache size: 80, Negative conditional cache size: 66, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16788, Maximal queried relation: 10, Independence queries for same thread: 247704 - PositiveResult [Line: 156]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 292 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 32.8s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 22.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 212, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 3501 NumberOfCodeBlocks, 3450 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4206 ConstructedInterpolants, 0 QuantifiedInterpolants, 15238 SizeOfPredicates, 48 NumberOfNonLiveVariables, 2686 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 18 InterpolantComputations, 7 PerfectInterpolantSequences, 504/607 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-09-08 05:17:31,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-09-08 05:17:31,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...