/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking BOTH --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-08 03:42:09,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-08 03:42:09,156 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-08 03:42:09,160 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-08 03:42:09,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-08 03:42:09,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-08 03:42:09,183 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-08 03:42:09,183 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-08 03:42:09,184 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-08 03:42:09,188 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-08 03:42:09,189 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-08 03:42:09,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-08 03:42:09,189 INFO L153 SettingsManager]: * Use SBE=true [2024-05-08 03:42:09,191 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-08 03:42:09,191 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-08 03:42:09,191 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-08 03:42:09,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-08 03:42:09,192 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-08 03:42:09,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-08 03:42:09,192 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-08 03:42:09,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-08 03:42:09,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-08 03:42:09,193 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-08 03:42:09,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-08 03:42:09,195 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-08 03:42:09,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-08 03:42:09,195 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-08 03:42:09,195 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-08 03:42:09,195 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-08 03:42:09,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-08 03:42:09,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-08 03:42:09,197 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-08 03:42:09,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-08 03:42:09,198 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-08 03:42:09,198 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-08 03:42:09,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-08 03:42:09,198 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-08 03:42:09,198 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-08 03:42:09,198 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-08 03:42:09,199 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-08 03:42:09,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-08 03:42:09,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-08 03:42:09,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-08 03:42:09,544 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-08 03:42:09,556 INFO L274 PluginConnector]: CDTParser initialized [2024-05-08 03:42:09,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2024-05-08 03:42:10,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-08 03:42:11,000 INFO L384 CDTParser]: Found 1 translation units. [2024-05-08 03:42:11,000 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2.wvr.c [2024-05-08 03:42:11,009 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/34a24ed17/aac8029477d04a619e076aa315dba8cb/FLAG48f893679 [2024-05-08 03:42:11,026 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/34a24ed17/aac8029477d04a619e076aa315dba8cb [2024-05-08 03:42:11,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-08 03:42:11,031 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-08 03:42:11,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-08 03:42:11,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-08 03:42:11,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-08 03:42:11,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 03:42:11" (1/1) ... [2024-05-08 03:42:11,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b69bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:42:11, skipping insertion in model container [2024-05-08 03:42:11,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 03:42:11" (1/1) ... [2024-05-08 03:42:11,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-08 03:42:11,277 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/parallel-misc-2.wvr.c[2554,2567] [2024-05-08 03:42:11,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-08 03:42:11,291 INFO L202 MainTranslator]: Completed pre-run [2024-05-08 03:42:11,323 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/parallel-misc-2.wvr.c[2554,2567] [2024-05-08 03:42:11,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-08 03:42:11,329 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-08 03:42:11,329 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-08 03:42:11,336 INFO L206 MainTranslator]: Completed translation [2024-05-08 03:42:11,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:42:11 WrapperNode [2024-05-08 03:42:11,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-08 03:42:11,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-08 03:42:11,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-08 03:42:11,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-08 03:42:11,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:42:11" (1/1) ... [2024-05-08 03:42:11,357 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:42:11" (1/1) ... [2024-05-08 03:42:11,377 INFO L138 Inliner]: procedures = 21, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-05-08 03:42:11,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-08 03:42:11,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-08 03:42:11,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-08 03:42:11,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-08 03:42:11,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:42:11" (1/1) ... [2024-05-08 03:42:11,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:42:11" (1/1) ... [2024-05-08 03:42:11,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:42:11" (1/1) ... [2024-05-08 03:42:11,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:42:11" (1/1) ... [2024-05-08 03:42:11,401 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:42:11" (1/1) ... [2024-05-08 03:42:11,404 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:42:11" (1/1) ... [2024-05-08 03:42:11,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:42:11" (1/1) ... [2024-05-08 03:42:11,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:42:11" (1/1) ... [2024-05-08 03:42:11,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-08 03:42:11,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-08 03:42:11,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-08 03:42:11,407 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-08 03:42:11,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:42:11" (1/1) ... [2024-05-08 03:42:11,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-08 03:42:11,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:42:11,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-08 03:42:11,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-08 03:42:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-08 03:42:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-08 03:42:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-08 03:42:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-08 03:42:11,487 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-08 03:42:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-08 03:42:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-08 03:42:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-08 03:42:11,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-08 03:42:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-08 03:42:11,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-08 03:42:11,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-08 03:42:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-08 03:42:11,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-08 03:42:11,490 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-08 03:42:11,576 INFO L241 CfgBuilder]: Building ICFG [2024-05-08 03:42:11,578 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-08 03:42:11,786 INFO L282 CfgBuilder]: Performing block encoding [2024-05-08 03:42:11,819 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-08 03:42:11,819 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-08 03:42:11,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.05 03:42:11 BoogieIcfgContainer [2024-05-08 03:42:11,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-08 03:42:11,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-08 03:42:11,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-08 03:42:11,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-08 03:42:11,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.05 03:42:11" (1/3) ... [2024-05-08 03:42:11,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@958b06d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.05 03:42:11, skipping insertion in model container [2024-05-08 03:42:11,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:42:11" (2/3) ... [2024-05-08 03:42:11,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@958b06d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.05 03:42:11, skipping insertion in model container [2024-05-08 03:42:11,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.05 03:42:11" (3/3) ... [2024-05-08 03:42:11,830 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2.wvr.c [2024-05-08 03:42:11,839 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-08 03:42:11,849 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-08 03:42:11,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-08 03:42:11,850 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-08 03:42:11,919 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-08 03:42:11,951 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-08 03:42:11,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-08 03:42:11,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:42:11,954 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-08 03:42:11,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-08 03:42:11,989 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-08 03:42:12,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:12,006 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-08 03:42:12,017 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;@1223d73e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-08 03:42:12,017 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-08 03:42:12,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:42:12,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:12,186 INFO L85 PathProgramCache]: Analyzing trace with hash -43132217, now seen corresponding path program 1 times [2024-05-08 03:42:12,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:42:12,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724227318] [2024-05-08 03:42:12,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:12,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:42:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:12,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 03:42:12,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:42:12,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724227318] [2024-05-08 03:42:12,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724227318] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 03:42:12,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 03:42:12,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-08 03:42:12,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407972725] [2024-05-08 03:42:12,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 03:42:12,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-08 03:42:12,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:42:12,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-08 03:42:12,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-08 03:42:12,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:12,539 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:42:12,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 40.0) internal successors, (80), 2 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:42:12,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:12,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:12,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-08 03:42:12,609 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:42:12,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:12,610 INFO L85 PathProgramCache]: Analyzing trace with hash 144041942, now seen corresponding path program 1 times [2024-05-08 03:42:12,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:42:12,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785443012] [2024-05-08 03:42:12,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:12,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:42:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:13,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:13,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:42:13,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785443012] [2024-05-08 03:42:13,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785443012] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 03:42:13,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 03:42:13,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-08 03:42:13,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983938945] [2024-05-08 03:42:13,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 03:42:13,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-08 03:42:13,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:42:13,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-08 03:42:13,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-05-08 03:42:13,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:13,226 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:42:13,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:42:13,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:13,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:13,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:13,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:13,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-08 03:42:13,445 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:42:13,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:13,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1836490839, now seen corresponding path program 1 times [2024-05-08 03:42:13,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:42:13,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849204273] [2024-05-08 03:42:13,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:13,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:42:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:13,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:42:13,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849204273] [2024-05-08 03:42:13,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849204273] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 03:42:13,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 03:42:13,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-08 03:42:13,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508844869] [2024-05-08 03:42:13,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 03:42:13,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-08 03:42:13,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:42:13,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-08 03:42:13,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-08 03:42:13,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:13,786 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:42:13,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.0) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:42:13,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:13,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:13,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:13,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:13,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:13,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-08 03:42:13,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-08 03:42:13,852 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:42:13,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:13,852 INFO L85 PathProgramCache]: Analyzing trace with hash 557190141, now seen corresponding path program 1 times [2024-05-08 03:42:13,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:42:13,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545363041] [2024-05-08 03:42:13,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:13,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:42:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-08 03:42:14,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:42:14,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545363041] [2024-05-08 03:42:14,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545363041] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 03:42:14,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 03:42:14,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-08 03:42:14,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827822398] [2024-05-08 03:42:14,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 03:42:14,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-08 03:42:14,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:42:14,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-08 03:42:14,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-08 03:42:14,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:14,064 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:42:14,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:42:14,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:14,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:14,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-08 03:42:14,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:14,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:14,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:14,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-08 03:42:14,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-08 03:42:14,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-08 03:42:14,132 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:42:14,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:14,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1775207395, now seen corresponding path program 1 times [2024-05-08 03:42:14,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:42:14,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133755370] [2024-05-08 03:42:14,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:14,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:42:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:15,004 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:15,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:42:15,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133755370] [2024-05-08 03:42:15,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133755370] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 03:42:15,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908870613] [2024-05-08 03:42:15,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:15,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:42:15,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:42:15,021 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 03:42:15,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-08 03:42:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:15,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-08 03:42:15,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 03:42:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-08 03:42:15,587 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 03:42:15,804 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-08 03:42:15,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908870613] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 03:42:15,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 03:42:15,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 10] total 26 [2024-05-08 03:42:15,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808571440] [2024-05-08 03:42:15,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 03:42:15,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-05-08 03:42:15,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:42:15,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-05-08 03:42:15,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2024-05-08 03:42:15,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:15,827 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:42:15,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 7.153846153846154) internal successors, (186), 26 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:42:15,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:15,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:15,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-08 03:42:15,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-08 03:42:15,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:18,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:18,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:18,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-08 03:42:18,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-08 03:42:18,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-08 03:42:18,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-08 03:42:18,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:42:18,475 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:42:18,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:18,475 INFO L85 PathProgramCache]: Analyzing trace with hash 247218082, now seen corresponding path program 2 times [2024-05-08 03:42:18,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:42:18,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645748903] [2024-05-08 03:42:18,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:18,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:42:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:19,263 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 5 proven. 91 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-08 03:42:19,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:42:19,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645748903] [2024-05-08 03:42:19,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645748903] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 03:42:19,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107592677] [2024-05-08 03:42:19,264 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-08 03:42:19,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:42:19,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:42:19,266 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 03:42:19,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-08 03:42:19,523 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-08 03:42:19,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 03:42:19,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 46 conjunts are in the unsatisfiable core [2024-05-08 03:42:19,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 03:42:21,492 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 5 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:21,492 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 03:42:28,317 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 5 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:28,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107592677] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 03:42:28,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 03:42:28,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 26, 25] total 63 [2024-05-08 03:42:28,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601350390] [2024-05-08 03:42:28,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 03:42:28,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-05-08 03:42:28,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:42:28,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-05-08 03:42:28,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=553, Invalid=3353, Unknown=0, NotChecked=0, Total=3906 [2024-05-08 03:42:28,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:28,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:42:28,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 4.238095238095238) internal successors, (267), 63 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:42:28,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:28,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:28,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-08 03:42:28,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-08 03:42:28,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-08 03:42:28,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:49,742 WARN L293 SmtUtils]: Spent 8.73s on a formula simplification. DAG size of input: 108 DAG size of output: 106 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:42:51,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:42:53,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:42:54,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:42:56,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:42:58,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-05-08 03:43:33,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:43:56,429 WARN L293 SmtUtils]: Spent 18.91s on a formula simplification. DAG size of input: 105 DAG size of output: 92 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:43:59,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:44:21,503 WARN L293 SmtUtils]: Spent 6.70s on a formula simplification. DAG size of input: 83 DAG size of output: 68 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:44:23,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:44:51,425 WARN L293 SmtUtils]: Spent 11.77s on a formula simplification. DAG size of input: 91 DAG size of output: 77 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:45:17,221 WARN L293 SmtUtils]: Spent 18.06s on a formula simplification. DAG size of input: 89 DAG size of output: 80 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:45:56,023 WARN L293 SmtUtils]: Spent 24.34s on a formula simplification. DAG size of input: 113 DAG size of output: 99 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:46:00,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:46:03,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:46:20,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:46:45,568 WARN L293 SmtUtils]: Spent 8.54s on a formula simplification. DAG size of input: 79 DAG size of output: 72 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:46:59,633 WARN L293 SmtUtils]: Spent 6.99s on a formula simplification. DAG size of input: 91 DAG size of output: 82 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:47:01,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:47:04,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:47:07,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:47:09,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:47:11,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-05-08 03:47:14,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:47:18,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:47:20,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:47:54,838 WARN L293 SmtUtils]: Spent 12.54s on a formula simplification. DAG size of input: 88 DAG size of output: 77 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:48:12,567 WARN L293 SmtUtils]: Spent 11.71s on a formula simplification. DAG size of input: 113 DAG size of output: 100 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:48:45,945 WARN L293 SmtUtils]: Spent 10.50s on a formula simplification. DAG size of input: 91 DAG size of output: 76 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:49:04,753 WARN L293 SmtUtils]: Spent 9.38s on a formula simplification. DAG size of input: 74 DAG size of output: 60 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:49:44,319 WARN L293 SmtUtils]: Spent 12.73s on a formula simplification. DAG size of input: 99 DAG size of output: 85 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:50:01,103 WARN L293 SmtUtils]: Spent 7.89s on a formula simplification. DAG size of input: 96 DAG size of output: 82 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:50:32,781 WARN L293 SmtUtils]: Spent 22.75s on a formula simplification. DAG size of input: 121 DAG size of output: 107 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:50:52,487 WARN L293 SmtUtils]: Spent 15.21s on a formula simplification. DAG size of input: 106 DAG size of output: 100 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:51:20,946 WARN L293 SmtUtils]: Spent 9.16s on a formula simplification. DAG size of input: 94 DAG size of output: 85 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:51:47,099 WARN L293 SmtUtils]: Spent 19.52s on a formula simplification. DAG size of input: 116 DAG size of output: 107 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:52:23,257 WARN L293 SmtUtils]: Spent 27.37s on a formula simplification. DAG size of input: 95 DAG size of output: 88 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:52:24,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:53:16,028 WARN L293 SmtUtils]: Spent 38.79s on a formula simplification. DAG size of input: 97 DAG size of output: 88 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-08 03:53:17,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:54:38,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:54:47,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:55:03,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-08 03:55:49,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:55:49,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:55:49,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-08 03:55:49,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-08 03:55:49,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-08 03:55:49,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2024-05-08 03:55:49,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-08 03:55:49,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:55:49,257 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:55:49,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:55:49,257 INFO L85 PathProgramCache]: Analyzing trace with hash -472340171, now seen corresponding path program 3 times [2024-05-08 03:55:49,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:55:49,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116812448] [2024-05-08 03:55:49,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:55:49,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:55:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:56:00,989 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 45 proven. 423 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:56:00,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:56:00,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116812448] [2024-05-08 03:56:00,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116812448] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 03:56:00,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395103532] [2024-05-08 03:56:00,990 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-08 03:56:00,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:56:00,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:56:00,991 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 03:56:00,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-08 03:56:02,285 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-08 03:56:02,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 03:56:02,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 75 conjunts are in the unsatisfiable core [2024-05-08 03:56:02,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 03:56:11,179 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 200 proven. 204 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-05-08 03:56:11,179 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2024-05-08 03:56:45,523 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-08 03:56:45,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-08 03:56:45,554 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-08 03:56:45,554 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-08 03:56:45,554 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-08 03:56:45,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:56:45,724 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 191 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 80 known predicates. [2024-05-08 03:56:45,725 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-08 03:56:45,725 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-08 03:56:45,728 INFO L448 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-05-08 03:56:45,731 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-08 03:56:45,731 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-08 03:56:45,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.05 03:56:45 BasicIcfg [2024-05-08 03:56:45,734 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-08 03:56:45,734 INFO L158 Benchmark]: Toolchain (without parser) took 874703.35ms. Allocated memory was 283.1MB in the beginning and 511.7MB in the end (delta: 228.6MB). Free memory was 215.8MB in the beginning and 289.5MB in the end (delta: -73.6MB). Peak memory consumption was 154.9MB. Max. memory is 8.0GB. [2024-05-08 03:56:45,735 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 283.1MB. Free memory is still 248.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-08 03:56:45,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.66ms. Allocated memory is still 283.1MB. Free memory was 215.6MB in the beginning and 204.3MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-08 03:56:45,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.00ms. Allocated memory is still 283.1MB. Free memory was 204.3MB in the beginning and 202.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-08 03:56:45,735 INFO L158 Benchmark]: Boogie Preprocessor took 28.92ms. Allocated memory is still 283.1MB. Free memory was 202.7MB in the beginning and 201.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-08 03:56:45,736 INFO L158 Benchmark]: RCFGBuilder took 413.98ms. Allocated memory is still 283.1MB. Free memory was 201.2MB in the beginning and 251.3MB in the end (delta: -50.1MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2024-05-08 03:56:45,736 INFO L158 Benchmark]: TraceAbstraction took 873910.66ms. Allocated memory was 283.1MB in the beginning and 511.7MB in the end (delta: 228.6MB). Free memory was 250.3MB in the beginning and 289.5MB in the end (delta: -39.2MB). Peak memory consumption was 189.4MB. Max. memory is 8.0GB. [2024-05-08 03:56:45,738 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 283.1MB. Free memory is still 248.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 302.66ms. Allocated memory is still 283.1MB. Free memory was 215.6MB in the beginning and 204.3MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.00ms. Allocated memory is still 283.1MB. Free memory was 204.3MB in the beginning and 202.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.92ms. Allocated memory is still 283.1MB. Free memory was 202.7MB in the beginning and 201.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 413.98ms. Allocated memory is still 283.1MB. Free memory was 201.2MB in the beginning and 251.3MB in the end (delta: -50.1MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. * TraceAbstraction took 873910.66ms. Allocated memory was 283.1MB in the beginning and 511.7MB in the end (delta: 228.6MB). Free memory was 250.3MB in the beginning and 289.5MB in the end (delta: -39.2MB). Peak memory consumption was 189.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5209, independent: 4639, independent conditional: 4058, independent unconditional: 581, dependent: 570, dependent conditional: 570, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4639, independent: 4639, independent conditional: 4058, independent unconditional: 581, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4639, independent: 4639, independent conditional: 4058, independent unconditional: 581, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4639, independent: 4639, independent conditional: 4058, independent unconditional: 581, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4639, independent: 4639, independent conditional: 1883, independent unconditional: 2756, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4639, independent: 4639, independent conditional: 1664, independent unconditional: 2975, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4639, independent: 4639, independent conditional: 1664, independent unconditional: 2975, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 408, independent: 408, independent conditional: 17, independent unconditional: 391, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 408, independent: 402, independent conditional: 0, independent unconditional: 402, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4639, independent: 4231, independent conditional: 1647, independent unconditional: 2584, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 408, unknown conditional: 17, unknown unconditional: 391] , Statistics on independence cache: Total cache size (in pairs): 408, Positive cache size: 408, Positive conditional cache size: 17, Positive unconditional cache size: 391, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 219, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4639, independent: 4639, independent conditional: 1883, independent unconditional: 2756, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4639, independent: 4639, independent conditional: 1664, independent unconditional: 2975, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4639, independent: 4639, independent conditional: 1664, independent unconditional: 2975, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 408, independent: 408, independent conditional: 17, independent unconditional: 391, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 408, independent: 402, independent conditional: 0, independent unconditional: 402, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4639, independent: 4231, independent conditional: 1647, independent unconditional: 2584, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 408, unknown conditional: 17, unknown unconditional: 391] , Statistics on independence cache: Total cache size (in pairs): 408, Positive cache size: 408, Positive conditional cache size: 17, Positive unconditional cache size: 391, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 219 ], Independence queries for same thread: 570 - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 191 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 80 known predicates. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 191 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 80 known predicates. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 191 with TraceHistMax 11,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 80 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 873.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 803.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 203, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 857 NumberOfCodeBlocks, 857 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1094 ConstructedInterpolants, 0 QuantifiedInterpolants, 11783 SizeOfPredicates, 34 NumberOfNonLiveVariables, 480 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 133/546 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 0.2s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown