/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf --traceabstraction.dfs.order.used.in.por PSEUDO_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 18:12:42,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 18:12:42,648 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 18:12:42,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 18:12:42,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 18:12:42,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 18:12:42,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 18:12:42,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 18:12:42,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 18:12:42,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 18:12:42,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 18:12:42,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 18:12:42,680 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 18:12:42,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 18:12:42,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 18:12:42,681 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 18:12:42,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 18:12:42,681 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 18:12:42,681 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 18:12:42,682 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 18:12:42,682 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 18:12:42,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 18:12:42,683 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 18:12:42,683 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 18:12:42,683 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 18:12:42,684 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 18:12:42,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 18:12:42,684 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 18:12:42,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 18:12:42,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 18:12:42,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 18:12:42,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 18:12:42,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 18:12:42,685 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 18:12:42,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 18:12:42,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 18:12:42,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 18:12:42,686 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 18:12:42,686 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 18:12:42,686 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 18:12:42,686 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP [2023-11-17 18:12:42,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 18:12:42,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 18:12:42,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 18:12:42,882 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 18:12:42,892 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 18:12:42,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-17 18:12:43,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 18:12:44,089 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 18:12:44,090 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-17 18:12:44,100 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29095e75a/47face9623e748b6b12abf7dd951c2ac/FLAG00228992b [2023-11-17 18:12:44,116 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29095e75a/47face9623e748b6b12abf7dd951c2ac [2023-11-17 18:12:44,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 18:12:44,120 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 18:12:44,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 18:12:44,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 18:12:44,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 18:12:44,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:12:44" (1/1) ... [2023-11-17 18:12:44,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16813f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:12:44, skipping insertion in model container [2023-11-17 18:12:44,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:12:44" (1/1) ... [2023-11-17 18:12:44,156 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 18:12:44,301 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-buffer-mult-alt.wvr.c[4345,4358] [2023-11-17 18:12:44,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 18:12:44,313 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 18:12:44,334 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-buffer-mult-alt.wvr.c[4345,4358] [2023-11-17 18:12:44,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 18:12:44,342 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 18:12:44,349 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 18:12:44,354 INFO L206 MainTranslator]: Completed translation [2023-11-17 18:12:44,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:12:44 WrapperNode [2023-11-17 18:12:44,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 18:12:44,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 18:12:44,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 18:12:44,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 18:12:44,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:12:44" (1/1) ... [2023-11-17 18:12:44,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:12:44" (1/1) ... [2023-11-17 18:12:44,389 INFO L138 Inliner]: procedures = 26, calls = 79, calls flagged for inlining = 17, calls inlined = 21, statements flattened = 335 [2023-11-17 18:12:44,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 18:12:44,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 18:12:44,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 18:12:44,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 18:12:44,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:12:44" (1/1) ... [2023-11-17 18:12:44,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:12:44" (1/1) ... [2023-11-17 18:12:44,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:12:44" (1/1) ... [2023-11-17 18:12:44,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:12:44" (1/1) ... [2023-11-17 18:12:44,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:12:44" (1/1) ... [2023-11-17 18:12:44,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:12:44" (1/1) ... [2023-11-17 18:12:44,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:12:44" (1/1) ... [2023-11-17 18:12:44,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:12:44" (1/1) ... [2023-11-17 18:12:44,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 18:12:44,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 18:12:44,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 18:12:44,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 18:12:44,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:12:44" (1/1) ... [2023-11-17 18:12:44,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 18:12:44,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:12:44,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 18:12:44,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 18:12:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 18:12:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 18:12:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 18:12:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 18:12:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-17 18:12:44,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-17 18:12:44,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-17 18:12:44,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-17 18:12:44,541 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-17 18:12:44,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-17 18:12:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-17 18:12:44,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-17 18:12:44,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 18:12:44,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 18:12:44,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 18:12:44,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 18:12:44,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 18:12:44,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 18:12:44,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 18:12:44,545 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 18:12:44,630 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 18:12:44,632 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 18:12:44,924 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 18:12:45,039 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 18:12:45,039 INFO L307 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-17 18:12:45,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:12:45 BoogieIcfgContainer [2023-11-17 18:12:45,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 18:12:45,044 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 18:12:45,044 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 18:12:45,047 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 18:12:45,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:12:44" (1/3) ... [2023-11-17 18:12:45,048 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307109f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:12:45, skipping insertion in model container [2023-11-17 18:12:45,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:12:44" (2/3) ... [2023-11-17 18:12:45,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@307109f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:12:45, skipping insertion in model container [2023-11-17 18:12:45,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:12:45" (3/3) ... [2023-11-17 18:12:45,050 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-buffer-mult-alt.wvr.c [2023-11-17 18:12:45,056 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 18:12:45,063 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 18:12:45,063 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 18:12:45,063 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 18:12:45,136 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-17 18:12:45,184 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 18:12:45,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 18:12:45,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:12:45,218 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) [2023-11-17 18:12:45,229 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 [2023-11-17 18:12:45,255 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 18:12:45,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 18:12:45,272 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66924948, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 18:12:45,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-17 18:12:45,728 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 2 more)] === [2023-11-17 18:12:45,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:12:45,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1597695941, now seen corresponding path program 1 times [2023-11-17 18:12:45,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:12:45,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695501439] [2023-11-17 18:12:45,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:12:45,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:12:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:12:46,055 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-17 18:12:46,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:12:46,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695501439] [2023-11-17 18:12:46,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695501439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 18:12:46,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 18:12:46,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 18:12:46,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169948967] [2023-11-17 18:12:46,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 18:12:46,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 18:12:46,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:12:46,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 18:12:46,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 18:12:46,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:46,083 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:12:46,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 107.0) internal successors, (214), 2 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 18:12:46,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:46,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:46,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 18:12:46,132 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 2 more)] === [2023-11-17 18:12:46,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:12:46,133 INFO L85 PathProgramCache]: Analyzing trace with hash 621738105, now seen corresponding path program 1 times [2023-11-17 18:12:46,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:12:46,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042992649] [2023-11-17 18:12:46,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:12:46,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:12:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:12:46,711 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-17 18:12:46,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:12:46,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042992649] [2023-11-17 18:12:46,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042992649] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 18:12:46,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 18:12:46,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-17 18:12:46,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701603054] [2023-11-17 18:12:46,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 18:12:46,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-17 18:12:46,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:12:46,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-17 18:12:46,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-17 18:12:46,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:46,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:12:46,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.166666666666664) internal successors, (217), 6 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 18:12:46,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:46,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:46,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:46,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:46,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 18:12:46,832 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 2 more)] === [2023-11-17 18:12:46,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:12:46,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1405086825, now seen corresponding path program 1 times [2023-11-17 18:12:46,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:12:46,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715132437] [2023-11-17 18:12:46,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:12:46,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:12:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:12:47,231 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-17 18:12:47,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:12:47,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715132437] [2023-11-17 18:12:47,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715132437] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 18:12:47,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 18:12:47,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-17 18:12:47,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364744864] [2023-11-17 18:12:47,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 18:12:47,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-17 18:12:47,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:12:47,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-17 18:12:47,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-17 18:12:47,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:47,245 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:12:47,245 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) [2023-11-17 18:12:47,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:47,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:47,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:47,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:47,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:47,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:47,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-17 18:12:47,346 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 2 more)] === [2023-11-17 18:12:47,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:12:47,347 INFO L85 PathProgramCache]: Analyzing trace with hash -271292243, now seen corresponding path program 1 times [2023-11-17 18:12:47,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:12:47,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269608847] [2023-11-17 18:12:47,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:12:47,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:12:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:12:47,828 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 51 proven. 25 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-17 18:12:47,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:12:47,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269608847] [2023-11-17 18:12:47,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269608847] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:12:47,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244288409] [2023-11-17 18:12:47,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:12:47,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:12:47,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:12:47,887 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) [2023-11-17 18:12:47,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-17 18:12:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:12:48,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-17 18:12:48,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:12:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 102 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-17 18:12:48,416 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:12:48,704 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 74 proven. 29 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-17 18:12:48,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244288409] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:12:48,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:12:48,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2023-11-17 18:12:48,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240442420] [2023-11-17 18:12:48,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:12:48,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-17 18:12:48,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:12:48,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-17 18:12:48,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2023-11-17 18:12:48,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:48,706 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:12:48,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 19.5) internal successors, (429), 22 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 18:12:48,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:48,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:48,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:48,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:49,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:49,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:49,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:49,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:12:49,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-17 18:12:49,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-17 18:12:49,367 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 2 more)] === [2023-11-17 18:12:49,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:12:49,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1340184351, now seen corresponding path program 2 times [2023-11-17 18:12:49,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:12:49,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992637238] [2023-11-17 18:12:49,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:12:49,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:12:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:12:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 41 proven. 63 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-17 18:12:49,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:12:49,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992637238] [2023-11-17 18:12:49,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992637238] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:12:49,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571062415] [2023-11-17 18:12:49,947 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 18:12:49,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:12:49,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:12:49,948 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) [2023-11-17 18:12:49,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 18:12:50,120 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 18:12:50,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:12:50,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-17 18:12:50,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:12:50,483 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 116 proven. 10 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-17 18:12:50,483 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:12:50,838 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 59 proven. 67 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-17 18:12:50,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571062415] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:12:50,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:12:50,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2023-11-17 18:12:50,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517097061] [2023-11-17 18:12:50,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:12:50,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-17 18:12:50,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:12:50,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-17 18:12:50,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2023-11-17 18:12:50,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:50,841 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:12:50,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 13.607142857142858) internal successors, (381), 28 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 18:12:50,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:50,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:50,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:50,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:12:50,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:51,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:12:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:12:51,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 18:12:51,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:12:51,348 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 2 more)] === [2023-11-17 18:12:51,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:12:51,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1284797441, now seen corresponding path program 3 times [2023-11-17 18:12:51,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:12:51,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216844741] [2023-11-17 18:12:51,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:12:51,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:12:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:12:51,842 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 60 proven. 89 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-17 18:12:51,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:12:51,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216844741] [2023-11-17 18:12:51,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216844741] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:12:51,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155644107] [2023-11-17 18:12:51,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 18:12:51,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:12:51,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:12:51,844 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) [2023-11-17 18:12:51,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-17 18:12:52,130 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-17 18:12:52,130 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:12:52,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-17 18:12:52,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:12:52,531 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-17 18:12:52,532 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:12:52,592 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-17 18:12:52,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155644107] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-17 18:12:52,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-17 18:12:52,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15, 11] total 27 [2023-11-17 18:12:52,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639277470] [2023-11-17 18:12:52,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 18:12:52,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 18:12:52,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:12:52,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 18:12:52,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2023-11-17 18:12:52,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:52,594 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:12:52,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.6) internal successors, (228), 5 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) [2023-11-17 18:12:52,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:52,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:52,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:52,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:12:52,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:12:52,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:52,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:52,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:52,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:52,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:12:52,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:12:52,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:52,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-17 18:12:52,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:12:52,928 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 2 more)] === [2023-11-17 18:12:52,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:12:52,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1793326585, now seen corresponding path program 4 times [2023-11-17 18:12:52,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:12:52,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446681202] [2023-11-17 18:12:52,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:12:52,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:12:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:12:53,442 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 60 proven. 89 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-17 18:12:53,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:12:53,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446681202] [2023-11-17 18:12:53,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446681202] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:12:53,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201639858] [2023-11-17 18:12:53,443 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-17 18:12:53,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:12:53,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:12:53,444 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) [2023-11-17 18:12:53,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-17 18:12:53,599 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-17 18:12:53,599 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:12:53,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-17 18:12:53,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:12:53,804 INFO L378 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 13 treesize of output 5 [2023-11-17 18:12:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 120 proven. 10 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-11-17 18:12:53,967 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:12:53,974 INFO L378 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 14 treesize of output 6 [2023-11-17 18:12:54,329 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 81 proven. 49 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-11-17 18:12:54,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201639858] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:12:54,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:12:54,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 37 [2023-11-17 18:12:54,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486743460] [2023-11-17 18:12:54,330 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:12:54,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-11-17 18:12:54,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:12:54,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-11-17 18:12:54,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1161, Unknown=0, NotChecked=0, Total=1332 [2023-11-17 18:12:54,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:54,332 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:12:54,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 15.108108108108109) internal successors, (559), 37 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) [2023-11-17 18:12:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:12:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:12:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:54,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:12:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:12:55,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:55,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-17 18:12:55,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-17 18:12:55,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:12:55,358 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 2 more)] === [2023-11-17 18:12:55,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:12:55,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1299148975, now seen corresponding path program 5 times [2023-11-17 18:12:55,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:12:55,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208083476] [2023-11-17 18:12:55,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:12:55,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:12:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:12:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 112 proven. 76 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-17 18:12:56,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:12:56,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208083476] [2023-11-17 18:12:56,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208083476] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:12:56,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817897703] [2023-11-17 18:12:56,269 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-17 18:12:56,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:12:56,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:12:56,287 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) [2023-11-17 18:12:56,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-17 18:12:56,465 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-11-17 18:12:56,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:12:56,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-17 18:12:56,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:12:56,603 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 47 proven. 8 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2023-11-17 18:12:56,603 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:12:56,667 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2023-11-17 18:12:56,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817897703] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-17 18:12:56,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-17 18:12:56,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [18, 7] total 25 [2023-11-17 18:12:56,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802294514] [2023-11-17 18:12:56,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 18:12:56,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 18:12:56,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:12:56,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 18:12:56,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=525, Unknown=0, NotChecked=0, Total=600 [2023-11-17 18:12:56,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:56,669 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:12:56,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.0) internal successors, (230), 5 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 18:12:56,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:56,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:56,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:56,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:12:56,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:12:56,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:56,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-11-17 18:12:56,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:56,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:56,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:56,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:56,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:12:56,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:12:56,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:56,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-17 18:12:56,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:56,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-17 18:12:56,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:12:56,988 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 2 more)] === [2023-11-17 18:12:56,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:12:56,988 INFO L85 PathProgramCache]: Analyzing trace with hash 2037611404, now seen corresponding path program 6 times [2023-11-17 18:12:56,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:12:56,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129005419] [2023-11-17 18:12:56,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:12:56,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:12:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:12:57,670 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 90 proven. 76 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-11-17 18:12:57,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:12:57,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129005419] [2023-11-17 18:12:57,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129005419] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:12:57,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071982891] [2023-11-17 18:12:57,670 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-17 18:12:57,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:12:57,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:12:57,671 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 18:12:57,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-17 18:12:57,954 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-11-17 18:12:57,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:12:57,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-17 18:12:57,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:12:58,595 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 111 proven. 59 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-17 18:12:58,595 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:12:59,344 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 73 proven. 97 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-17 18:12:59,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071982891] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:12:59,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:12:59,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 22, 22] total 55 [2023-11-17 18:12:59,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905443137] [2023-11-17 18:12:59,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:12:59,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-11-17 18:12:59,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:12:59,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-11-17 18:12:59,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=467, Invalid=2503, Unknown=0, NotChecked=0, Total=2970 [2023-11-17 18:12:59,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:59,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:12:59,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 11.018181818181818) internal successors, (606), 55 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 18:12:59,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:12:59,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:59,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:59,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:12:59,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:12:59,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:59,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-11-17 18:12:59,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:12:59,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:13:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:13:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-17 18:13:00,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:00,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-17 18:13:00,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-17 18:13:00,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:13:00,202 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 2 more)] === [2023-11-17 18:13:00,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:13:00,203 INFO L85 PathProgramCache]: Analyzing trace with hash -616738360, now seen corresponding path program 7 times [2023-11-17 18:13:00,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:13:00,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050024113] [2023-11-17 18:13:00,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:13:00,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:13:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:13:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 46 proven. 26 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2023-11-17 18:13:00,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:13:00,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050024113] [2023-11-17 18:13:00,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050024113] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:13:00,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261131058] [2023-11-17 18:13:00,987 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-11-17 18:13:00,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:13:00,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:13:00,989 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 18:13:01,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-17 18:13:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:13:01,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 794 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-17 18:13:01,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:13:01,707 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 56 proven. 61 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-17 18:13:01,707 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:13:02,018 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 94 proven. 21 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-17 18:13:02,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261131058] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:13:02,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:13:02,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14, 13] total 33 [2023-11-17 18:13:02,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20076003] [2023-11-17 18:13:02,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:13:02,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-11-17 18:13:02,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:13:02,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-17 18:13:02,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=855, Unknown=0, NotChecked=0, Total=1056 [2023-11-17 18:13:02,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:02,023 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:13:02,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 12.93939393939394) internal successors, (427), 33 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 18:13:02,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:02,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:02,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:02,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:13:02,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:13:02,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:02,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-11-17 18:13:02,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:02,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-17 18:13:02,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:03,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:03,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:03,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:03,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:13:03,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:13:03,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:03,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-17 18:13:03,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:03,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-17 18:13:03,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-17 18:13:03,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-17 18:13:03,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-17 18:13:03,784 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 18:13:03,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:13:03,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1048868411, now seen corresponding path program 8 times [2023-11-17 18:13:03,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:13:03,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828979666] [2023-11-17 18:13:03,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:13:03,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:13:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:13:04,520 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 98 proven. 194 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-11-17 18:13:04,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:13:04,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828979666] [2023-11-17 18:13:04,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828979666] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:13:04,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372386404] [2023-11-17 18:13:04,521 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 18:13:04,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:13:04,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:13:04,525 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 18:13:04,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-17 18:13:04,748 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 18:13:04,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:13:04,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-17 18:13:04,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:13:05,331 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 166 proven. 126 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-11-17 18:13:05,331 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:13:06,047 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 70 proven. 222 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-11-17 18:13:06,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372386404] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:13:06,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:13:06,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 64 [2023-11-17 18:13:06,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105261128] [2023-11-17 18:13:06,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:13:06,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-11-17 18:13:06,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:13:06,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-11-17 18:13:06,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=637, Invalid=3395, Unknown=0, NotChecked=0, Total=4032 [2023-11-17 18:13:06,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:06,055 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:13:06,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 8.375) internal successors, (536), 64 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 18:13:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:13:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:13:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-11-17 18:13:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-17 18:13:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-11-17 18:13:06,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:06,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:06,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:13:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:13:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-17 18:13:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-17 18:13:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-17 18:13:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-17 18:13:06,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-17 18:13:06,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:13:06,953 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 18:13:06,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:13:06,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1978592355, now seen corresponding path program 9 times [2023-11-17 18:13:06,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:13:06,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832541636] [2023-11-17 18:13:06,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:13:06,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:13:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:13:07,602 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 55 proven. 119 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2023-11-17 18:13:07,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:13:07,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832541636] [2023-11-17 18:13:07,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832541636] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:13:07,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073066091] [2023-11-17 18:13:07,603 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 18:13:07,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:13:07,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:13:07,606 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 18:13:07,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-17 18:13:07,967 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-11-17 18:13:07,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:13:07,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-17 18:13:07,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:13:08,400 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 122 proven. 52 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2023-11-17 18:13:08,400 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:13:08,948 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 37 proven. 137 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2023-11-17 18:13:08,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073066091] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:13:08,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:13:08,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 46 [2023-11-17 18:13:08,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918283427] [2023-11-17 18:13:08,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:13:08,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-11-17 18:13:08,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:13:08,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-11-17 18:13:08,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=1723, Unknown=0, NotChecked=0, Total=2070 [2023-11-17 18:13:08,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:08,951 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:13:08,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 9.108695652173912) internal successors, (419), 46 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 18:13:08,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:08,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:08,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:08,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:13:08,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:13:08,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:08,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-11-17 18:13:08,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:08,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-17 18:13:08,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-11-17 18:13:08,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-11-17 18:13:08,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:13:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:13:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-17 18:13:09,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:09,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-17 18:13:09,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-11-17 18:13:09,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-17 18:13:09,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-17 18:13:09,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-17 18:13:09,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-17 18:13:09,806 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 18:13:09,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:13:09,806 INFO L85 PathProgramCache]: Analyzing trace with hash 781375225, now seen corresponding path program 10 times [2023-11-17 18:13:09,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:13:09,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946033737] [2023-11-17 18:13:09,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:13:09,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:13:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:13:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 96 proven. 81 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-11-17 18:13:10,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:13:10,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946033737] [2023-11-17 18:13:10,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946033737] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:13:10,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595895867] [2023-11-17 18:13:10,427 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-17 18:13:10,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:13:10,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:13:10,428 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 18:13:10,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-17 18:13:10,945 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-17 18:13:10,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:13:10,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-17 18:13:10,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:13:11,096 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 96 proven. 84 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2023-11-17 18:13:11,096 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:13:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 43 proven. 143 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2023-11-17 18:13:11,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595895867] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:13:11,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:13:11,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 13] total 24 [2023-11-17 18:13:11,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487352079] [2023-11-17 18:13:11,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:13:11,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-17 18:13:11,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:13:11,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-17 18:13:11,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2023-11-17 18:13:11,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:11,535 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:13:11,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 16.833333333333332) internal successors, (404), 24 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 18:13:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:13:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:13:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-11-17 18:13:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2023-11-17 18:13:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2023-11-17 18:13:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-11-17 18:13:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-11-17 18:13:11,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:13:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-17 18:13:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-17 18:13:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-11-17 18:13:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:13:11,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-17 18:13:11,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-17 18:13:11,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-17 18:13:11,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-17 18:13:11,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 18:13:11,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-17 18:13:12,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-17 18:13:12,193 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-11-17 18:13:12,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:13:12,194 INFO L85 PathProgramCache]: Analyzing trace with hash 496911772, now seen corresponding path program 11 times [2023-11-17 18:13:12,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:13:12,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736012817] [2023-11-17 18:13:12,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:13:12,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:13:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:14:04,323 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 427 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:14:04,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:14:04,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736012817] [2023-11-17 18:14:04,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736012817] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:14:04,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341614442] [2023-11-17 18:14:04,324 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-17 18:14:04,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:14:04,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:14:04,332 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 18:14:04,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-17 18:14:05,774 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2023-11-17 18:14:05,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:14:05,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 173 conjunts are in the unsatisfiable core [2023-11-17 18:14:05,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:14:05,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-17 18:14:05,953 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-11-17 18:14:05,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-11-17 18:14:06,057 INFO L349 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2023-11-17 18:14:06,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2023-11-17 18:14:06,845 INFO L349 Elim1Store]: treesize reduction 68, result has 29.2 percent of original size [2023-11-17 18:14:06,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 29 treesize of output 40 [2023-11-17 18:14:09,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 18:14:09,140 INFO L349 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2023-11-17 18:14:09,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 21 [2023-11-17 18:14:11,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2023-11-17 18:14:12,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 18:14:12,780 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-17 18:14:12,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 42 [2023-11-17 18:14:14,840 INFO L349 Elim1Store]: treesize reduction 168, result has 0.6 percent of original size [2023-11-17 18:14:14,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 103 treesize of output 97 [2023-11-17 18:14:25,368 INFO L349 Elim1Store]: treesize reduction 339, result has 32.3 percent of original size [2023-11-17 18:14:25,368 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 299 treesize of output 217 [2023-11-17 18:14:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 281 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-17 18:14:25,399 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:14:36,670 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 18:14:36,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 11845838 treesize of output 11257580 [2023-11-17 18:14:38,078 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:38,079 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:38,079 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:38,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:38,080 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:38,081 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:38,082 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:38,083 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:38,083 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:38,083 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:38,084 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:38,087 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:38,090 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:38,090 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:38,092 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:48,140 WARN L293 SmtUtils]: Spent 9.97s on a formula simplification. DAG size of input: 318 DAG size of output: 263 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-17 18:14:48,141 INFO L349 Elim1Store]: treesize reduction 220, result has 80.1 percent of original size [2023-11-17 18:14:48,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 40 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 80 case distinctions, treesize of input 659526 treesize of output 372601 [2023-11-17 18:14:57,259 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification. DAG size of input: 9857 DAG size of output: 1693 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-17 18:14:58,456 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:58,459 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:58,459 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:58,460 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:58,462 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:58,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:58,467 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:58,470 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:58,471 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:58,474 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:58,495 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:58,499 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:58,501 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:14:58,512 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-17 18:15:03,974 WARN L293 SmtUtils]: Spent 5.38s on a formula simplification that was a NOOP. DAG size: 220 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-17 18:15:03,975 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 18:15:03,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 41 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 50 case distinctions, treesize of input 1273043 treesize of output 656559 [2023-11-17 18:15:29,401 WARN L293 SmtUtils]: Spent 25.38s on a formula simplification. DAG size of input: 10743 DAG size of output: 2480 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-17 18:17:32,753 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-11-17 18:17:32,754 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-11-17 18:17:32,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2023-11-17 18:17:32,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-17 18:17:32,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-17 18:17:32,955 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:268) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:410) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:394) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:500) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 69 more [2023-11-17 18:17:32,959 INFO L158 Benchmark]: Toolchain (without parser) took 288839.08ms. Allocated memory was 317.7MB in the beginning and 2.7GB in the end (delta: 2.4GB). Free memory was 274.6MB in the beginning and 1.7GB in the end (delta: -1.4GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2023-11-17 18:17:32,959 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 209.7MB. Free memory is still 157.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 18:17:32,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.44ms. Allocated memory is still 317.7MB. Free memory was 274.0MB in the beginning and 260.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-11-17 18:17:32,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.56ms. Allocated memory is still 317.7MB. Free memory was 260.9MB in the beginning and 258.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-11-17 18:17:32,959 INFO L158 Benchmark]: Boogie Preprocessor took 27.54ms. Allocated memory is still 317.7MB. Free memory was 258.3MB in the beginning and 256.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 18:17:32,959 INFO L158 Benchmark]: RCFGBuilder took 610.43ms. Allocated memory is still 317.7MB. Free memory was 256.2MB in the beginning and 204.3MB in the end (delta: 51.9MB). Peak memory consumption was 51.4MB. Max. memory is 8.0GB. [2023-11-17 18:17:32,960 INFO L158 Benchmark]: TraceAbstraction took 287914.59ms. Allocated memory was 317.7MB in the beginning and 2.7GB in the end (delta: 2.4GB). Free memory was 203.7MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2023-11-17 18:17:32,961 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 209.7MB. Free memory is still 157.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 230.44ms. Allocated memory is still 317.7MB. Free memory was 274.0MB in the beginning and 260.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.56ms. Allocated memory is still 317.7MB. Free memory was 260.9MB in the beginning and 258.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.54ms. Allocated memory is still 317.7MB. Free memory was 258.3MB in the beginning and 256.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 610.43ms. Allocated memory is still 317.7MB. Free memory was 256.2MB in the beginning and 204.3MB in the end (delta: 51.9MB). Peak memory consumption was 51.4MB. Max. memory is 8.0GB. * TraceAbstraction took 287914.59ms. Allocated memory was 317.7MB in the beginning and 2.7GB in the end (delta: 2.4GB). Free memory was 203.7MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-17 18:17:32,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request...