/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 15:02:47,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 15:02:47,432 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 15:02:47,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 15:02:47,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 15:02:47,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 15:02:47,460 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 15:02:47,460 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 15:02:47,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 15:02:47,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 15:02:47,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 15:02:47,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 15:02:47,464 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 15:02:47,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 15:02:47,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 15:02:47,466 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 15:02:47,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 15:02:47,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 15:02:47,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 15:02:47,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 15:02:47,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 15:02:47,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 15:02:47,467 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 15:02:47,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 15:02:47,468 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 15:02:47,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 15:02:47,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 15:02:47,468 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 15:02:47,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 15:02:47,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 15:02:47,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 15:02:47,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 15:02:47,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 15:02:47,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 15:02:47,470 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 15:02:47,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 15:02:47,470 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 15:02:47,470 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 15:02:47,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 15:02:47,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-05-05 15:02:47,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 15:02:47,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 15:02:47,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 15:02:47,710 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 15:02:47,710 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 15:02:47,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-05-05 15:02:48,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 15:02:48,875 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 15:02:48,876 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c [2024-05-05 15:02:48,881 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1f36b2b99/81e8b4db324f4283b0367cf5e074368f/FLAGbfc2913c6 [2024-05-05 15:02:48,893 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/1f36b2b99/81e8b4db324f4283b0367cf5e074368f [2024-05-05 15:02:48,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 15:02:48,896 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 15:02:48,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 15:02:48,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 15:02:48,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 15:02:48,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 03:02:48" (1/1) ... [2024-05-05 15:02:48,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26563541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:02:48, skipping insertion in model container [2024-05-05 15:02:48,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 03:02:48" (1/1) ... [2024-05-05 15:02:48,920 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 15:02:49,031 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/test-hard1.wvr.c[3373,3386] [2024-05-05 15:02:49,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 15:02:49,041 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 15:02:49,058 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/test-hard1.wvr.c[3373,3386] [2024-05-05 15:02:49,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 15:02:49,064 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 15:02:49,065 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 15:02:49,070 INFO L206 MainTranslator]: Completed translation [2024-05-05 15:02:49,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:02:49 WrapperNode [2024-05-05 15:02:49,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 15:02:49,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 15:02:49,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 15:02:49,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 15:02:49,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:02:49" (1/1) ... [2024-05-05 15:02:49,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:02:49" (1/1) ... [2024-05-05 15:02:49,096 INFO L138 Inliner]: procedures = 24, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-05-05 15:02:49,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 15:02:49,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 15:02:49,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 15:02:49,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 15:02:49,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:02:49" (1/1) ... [2024-05-05 15:02:49,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:02:49" (1/1) ... [2024-05-05 15:02:49,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:02:49" (1/1) ... [2024-05-05 15:02:49,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:02:49" (1/1) ... [2024-05-05 15:02:49,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:02:49" (1/1) ... [2024-05-05 15:02:49,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:02:49" (1/1) ... [2024-05-05 15:02:49,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:02:49" (1/1) ... [2024-05-05 15:02:49,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:02:49" (1/1) ... [2024-05-05 15:02:49,116 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 15:02:49,117 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 15:02:49,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 15:02:49,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 15:02:49,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:02:49" (1/1) ... [2024-05-05 15:02:49,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 15:02:49,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 15:02:49,147 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) [2024-05-05 15:02:49,204 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 [2024-05-05 15:02:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 15:02:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-05 15:02:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-05 15:02:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-05 15:02:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-05 15:02:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-05 15:02:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-05 15:02:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-05 15:02:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-05 15:02:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 15:02:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 15:02:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 15:02:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-05 15:02:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-05 15:02:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 15:02:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 15:02:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 15:02:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 15:02:49,241 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 15:02:49,326 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 15:02:49,327 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 15:02:49,499 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 15:02:49,556 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 15:02:49,556 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-05 15:02:49,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 03:02:49 BoogieIcfgContainer [2024-05-05 15:02:49,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 15:02:49,561 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 15:02:49,561 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 15:02:49,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 15:02:49,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 03:02:48" (1/3) ... [2024-05-05 15:02:49,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba463a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 03:02:49, skipping insertion in model container [2024-05-05 15:02:49,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:02:49" (2/3) ... [2024-05-05 15:02:49,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba463a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 03:02:49, skipping insertion in model container [2024-05-05 15:02:49,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 03:02:49" (3/3) ... [2024-05-05 15:02:49,565 INFO L112 eAbstractionObserver]: Analyzing ICFG test-hard1.wvr.c [2024-05-05 15:02:49,571 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 15:02:49,578 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 15:02:49,578 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 15:02:49,578 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 15:02:49,636 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-05 15:02:49,669 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 15:02:49,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 15:02:49,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 15:02:49,672 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) [2024-05-05 15:02:49,678 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 [2024-05-05 15:02:49,716 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 15:02:49,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:02:49,731 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 15:02:49,736 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;@1dc771c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-05-05 15:02:49,736 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-05 15:02:50,801 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)] === [2024-05-05 15:02:50,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:02:50,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1768307362, now seen corresponding path program 1 times [2024-05-05 15:02:50,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:02:50,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017771139] [2024-05-05 15:02:50,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:02:50,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:02:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:02:51,108 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2024-05-05 15:02:51,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:02:51,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017771139] [2024-05-05 15:02:51,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017771139] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 15:02:51,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 15:02:51,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 15:02:51,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156487691] [2024-05-05 15:02:51,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 15:02:51,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 15:02:51,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:02:51,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 15:02:51,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 15:02:51,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:02:51,221 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:02:51,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.5) internal successors, (113), 2 states have internal predecessors, (113), 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) [2024-05-05 15:02:51,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:02:51,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:02:51,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 15:02:51,362 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)] === [2024-05-05 15:02:51,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:02:51,363 INFO L85 PathProgramCache]: Analyzing trace with hash 851921736, now seen corresponding path program 1 times [2024-05-05 15:02:51,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:02:51,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227815596] [2024-05-05 15:02:51,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:02:51,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:02:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:02:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-05-05 15:02:52,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:02:52,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227815596] [2024-05-05 15:02:52,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227815596] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 15:02:52,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 15:02:52,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 15:02:52,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513654019] [2024-05-05 15:02:52,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 15:02:52,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 15:02:52,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:02:52,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 15:02:52,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-05-05 15:02:52,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:02:52,050 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:02:52,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 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) [2024-05-05 15:02:52,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:02:52,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:02:52,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:02:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:02:52,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 15:02:52,388 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)] === [2024-05-05 15:02:52,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:02:52,389 INFO L85 PathProgramCache]: Analyzing trace with hash -2029386885, now seen corresponding path program 2 times [2024-05-05 15:02:52,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:02:52,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203005791] [2024-05-05 15:02:52,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:02:52,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:02:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:02:53,079 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 147 proven. 4 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-05-05 15:02:53,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:02:53,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203005791] [2024-05-05 15:02:53,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203005791] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 15:02:53,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21704638] [2024-05-05 15:02:53,080 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 15:02:53,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 15:02:53,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 15:02:53,122 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) [2024-05-05 15:02:53,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-05 15:02:53,236 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 15:02:53,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 15:02:53,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-05 15:02:53,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 15:02:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-05-05 15:02:53,362 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 15:02:53,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21704638] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 15:02:53,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-05 15:02:53,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-05-05 15:02:53,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068308273] [2024-05-05 15:02:53,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 15:02:53,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-05 15:02:53,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:02:53,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1846554685, now seen corresponding path program 1 times [2024-05-05 15:02:53,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:02:53,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:02:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 15:02:53,622 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 15:02:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 15:02:53,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1450637462, now seen corresponding path program 1 times [2024-05-05 15:02:53,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:02:53,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:02:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:02:54,308 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-05-05 15:02:54,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:02:54,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:02:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:02:54,661 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-05-05 15:02:54,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-05 15:02:54,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-05-05 15:02:54,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:02:54,663 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:02:54,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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) [2024-05-05 15:02:54,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:02:54,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:02:54,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:02:54,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:02:54,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:02:54,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 15:02:54,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-05 15:02:55,196 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,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable5 [2024-05-05 15:02:55,197 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)] === [2024-05-05 15:02:55,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:02:55,197 INFO L85 PathProgramCache]: Analyzing trace with hash -10387549, now seen corresponding path program 3 times [2024-05-05 15:02:55,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:02:55,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270945276] [2024-05-05 15:02:55,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:02:55,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:02:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:02:55,697 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-05-05 15:02:55,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:02:55,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270945276] [2024-05-05 15:02:55,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270945276] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 15:02:55,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299844421] [2024-05-05 15:02:55,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 15:02:55,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 15:02:55,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 15:02:55,699 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) [2024-05-05 15:02:55,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-05 15:02:55,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-05 15:02:55,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 15:02:55,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-05 15:02:55,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 15:02:56,013 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 180 proven. 4 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-05-05 15:02:56,014 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 15:02:56,216 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 175 proven. 19 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-05-05 15:02:56,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299844421] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 15:02:56,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 15:02:56,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 9] total 18 [2024-05-05 15:02:56,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947306738] [2024-05-05 15:02:56,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 15:02:56,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-05 15:02:56,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:02:56,383 INFO L85 PathProgramCache]: Analyzing trace with hash 2086263268, now seen corresponding path program 1 times [2024-05-05 15:02:56,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:02:56,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:02:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:02:58,749 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 15:02:58,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:02:58,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:02:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:03:00,661 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 10 proven. 47 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 15:03:00,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-05 15:03:00,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=3827, Unknown=0, NotChecked=0, Total=4422 [2024-05-05 15:03:00,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:03:00,668 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:03:00,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.055555555555555) internal successors, (163), 18 states have internal predecessors, (163), 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) [2024-05-05 15:03:00,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:03:00,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:03:00,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 15:03:00,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:03:03,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:03:03,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:03:03,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 15:03:03,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-05 15:03:03,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-05 15:03:04,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 15:03:04,013 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)] === [2024-05-05 15:03:04,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:03:04,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1189536946, now seen corresponding path program 4 times [2024-05-05 15:03:04,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:03:04,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819621889] [2024-05-05 15:03:04,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:03:04,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:03:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:03:04,394 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-05-05 15:03:04,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:03:04,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819621889] [2024-05-05 15:03:04,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819621889] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 15:03:04,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 15:03:04,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 15:03:04,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933711978] [2024-05-05 15:03:04,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 15:03:04,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 15:03:04,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:03:04,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 15:03:04,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-05-05 15:03:04,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:03:04,485 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:03:04,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 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) [2024-05-05 15:03:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:03:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:03:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 15:03:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-05 15:03:04,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:03:05,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:03:05,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:03:05,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 15:03:05,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-05 15:03:05,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:03:05,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-05-05 15:03:05,219 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)] === [2024-05-05 15:03:05,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:03:05,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1960909666, now seen corresponding path program 5 times [2024-05-05 15:03:05,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:03:05,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728180164] [2024-05-05 15:03:05,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:03:05,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:03:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:03:06,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2049 backedges. 826 proven. 4 refuted. 0 times theorem prover too weak. 1219 trivial. 0 not checked. [2024-05-05 15:03:06,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:03:06,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728180164] [2024-05-05 15:03:06,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728180164] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 15:03:06,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674189511] [2024-05-05 15:03:06,030 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 15:03:06,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 15:03:06,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 15:03:06,032 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) [2024-05-05 15:03:06,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-05 15:03:06,247 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-05-05 15:03:06,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 15:03:06,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-05 15:03:06,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 15:03:06,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2049 backedges. 833 proven. 110 refuted. 0 times theorem prover too weak. 1106 trivial. 0 not checked. [2024-05-05 15:03:06,356 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 15:03:06,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2049 backedges. 826 proven. 4 refuted. 0 times theorem prover too weak. 1219 trivial. 0 not checked. [2024-05-05 15:03:06,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674189511] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 15:03:06,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 15:03:06,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 14 [2024-05-05 15:03:06,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752523511] [2024-05-05 15:03:06,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 15:03:06,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 15:03:06,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:03:06,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1573499088, now seen corresponding path program 2 times [2024-05-05 15:03:06,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:03:06,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:03:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 15:03:06,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 15:03:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 15:03:07,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1047757428, now seen corresponding path program 3 times [2024-05-05 15:03:07,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:03:07,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:03:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 15:03:07,386 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 15:03:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 15:03:09,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 15:03:09,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-05-05 15:03:09,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:03:09,596 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:03:09,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.928571428571429) internal successors, (167), 14 states have internal predecessors, (167), 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) [2024-05-05 15:03:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:03:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:03:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 15:03:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-05 15:03:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:03:09,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:03:10,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:03:10,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:03:10,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 15:03:10,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-05 15:03:10,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:03:10,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 15:03:10,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-05 15:03:10,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 15:03:10,545 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)] === [2024-05-05 15:03:10,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:03:10,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1091151426, now seen corresponding path program 6 times [2024-05-05 15:03:10,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:03:10,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744967577] [2024-05-05 15:03:10,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:03:10,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:03:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:03:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 252 proven. 1706 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-05-05 15:03:26,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:03:26,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744967577] [2024-05-05 15:03:26,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744967577] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 15:03:26,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219001338] [2024-05-05 15:03:26,732 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 15:03:26,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 15:03:26,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 15:03:26,733 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 15:03:26,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-05 15:03:27,084 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2024-05-05 15:03:27,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 15:03:27,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 139 conjunts are in the unsatisfiable core [2024-05-05 15:03:27,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 15:05:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 225 proven. 1727 refuted. 4 times theorem prover too weak. 39 trivial. 0 not checked. [2024-05-05 15:05:12,507 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 15:05:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1995 backedges. 179 proven. 1815 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 15:05:24,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219001338] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 15:05:24,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 15:05:24,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 85, 111] total 271 [2024-05-05 15:05:24,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761099168] [2024-05-05 15:05:24,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 15:05:24,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 271 states [2024-05-05 15:05:24,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:05:25,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 271 interpolants. [2024-05-05 15:05:25,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13854, Invalid=59299, Unknown=17, NotChecked=0, Total=73170 [2024-05-05 15:05:25,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:05:25,506 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:05:25,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 271 states, 271 states have (on average 2.867158671586716) internal successors, (777), 271 states have internal predecessors, (777), 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) [2024-05-05 15:05:25,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:05:25,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:05:25,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 15:05:25,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-05 15:05:25,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:05:25,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 15:05:25,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:05:28,442 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 [] [2024-05-05 15:05:30,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:05:32,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:05:43,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:05:45,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:05:52,897 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 [] [2024-05-05 15:06:13,238 WARN L293 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 304 DAG size of output: 26 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-05 15:08:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:08:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:08:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 15:08:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-05 15:08:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:08:02,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 15:08:02,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2024-05-05 15:08:03,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-05 15:08:03,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-05-05 15:08:03,199 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)] === [2024-05-05 15:08:03,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:08:03,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1886087408, now seen corresponding path program 7 times [2024-05-05 15:08:03,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:08:03,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765540126] [2024-05-05 15:08:03,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:08:03,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:08:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:08:03,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 839 proven. 3 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2024-05-05 15:08:03,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:08:03,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765540126] [2024-05-05 15:08:03,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765540126] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 15:08:03,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795966106] [2024-05-05 15:08:03,710 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-05 15:08:03,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 15:08:03,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 15:08:03,711 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 15:08:03,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-05 15:08:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:08:03,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 25 conjunts are in the unsatisfiable core [2024-05-05 15:08:03,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 15:08:04,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 702 proven. 71 refuted. 0 times theorem prover too weak. 700 trivial. 0 not checked. [2024-05-05 15:08:04,246 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 15:08:04,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1473 backedges. 749 proven. 1 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2024-05-05 15:08:04,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795966106] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 15:08:04,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 15:08:04,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 17 [2024-05-05 15:08:04,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460591707] [2024-05-05 15:08:04,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 15:08:04,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-05 15:08:04,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:08:04,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-05 15:08:04,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2024-05-05 15:08:04,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:08:04,461 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:08:04,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 12.235294117647058) internal successors, (208), 17 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 15:08:04,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:08:04,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:08:04,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 15:08:04,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-05 15:08:04,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:08:04,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 15:08:04,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 322 states. [2024-05-05 15:08:04,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:08:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:08:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:08:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 15:08:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-05 15:08:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:08:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 15:08:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 326 states. [2024-05-05 15:08:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-05 15:08:05,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-05 15:08:05,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-05 15:08:05,283 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)] === [2024-05-05 15:08:05,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:08:05,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1830471324, now seen corresponding path program 8 times [2024-05-05 15:08:05,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:08:05,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034856124] [2024-05-05 15:08:05,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:08:05,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:08:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:08:09,200 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 217 proven. 261 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-05 15:08:09,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:08:09,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034856124] [2024-05-05 15:08:09,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034856124] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 15:08:09,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976418544] [2024-05-05 15:08:09,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 15:08:09,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 15:08:09,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 15:08:09,205 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 15:08:09,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-05 15:08:09,352 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 15:08:09,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 15:08:09,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 55 conjunts are in the unsatisfiable core [2024-05-05 15:08:09,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 15:08:17,045 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 178 proven. 287 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-05 15:08:17,045 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 15:08:20,901 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 198 proven. 267 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-05 15:08:20,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976418544] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 15:08:20,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 15:08:20,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 44, 45] total 128 [2024-05-05 15:08:20,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640760446] [2024-05-05 15:08:20,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 15:08:20,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-05-05 15:08:20,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:08:21,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-05-05 15:08:21,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2658, Invalid=13598, Unknown=0, NotChecked=0, Total=16256 [2024-05-05 15:08:21,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:08:21,077 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:08:21,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 3.546875) internal successors, (454), 128 states have internal predecessors, (454), 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) [2024-05-05 15:08:21,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:08:21,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:08:21,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 15:08:21,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-05 15:08:21,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:08:21,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 15:08:21,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 326 states. [2024-05-05 15:08:21,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-05 15:08:21,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:08:33,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:08:33,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:08:33,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 15:08:33,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-05 15:08:33,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:08:33,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 15:08:33,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-05-05 15:08:33,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-05 15:08:33,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-05-05 15:08:33,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-05 15:08:34,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-05 15:08:34,146 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)] === [2024-05-05 15:08:34,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 15:08:34,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1611397939, now seen corresponding path program 9 times [2024-05-05 15:08:34,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 15:08:34,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165672628] [2024-05-05 15:08:34,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 15:08:34,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 15:08:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 15:08:38,546 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 37 proven. 256 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-05 15:08:38,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 15:08:38,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165672628] [2024-05-05 15:08:38,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165672628] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 15:08:38,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975412472] [2024-05-05 15:08:38,547 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 15:08:38,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 15:08:38,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 15:08:38,548 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 15:08:38,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-05 15:08:38,706 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-05-05 15:08:38,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 15:08:38,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 56 conjunts are in the unsatisfiable core [2024-05-05 15:08:38,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 15:10:30,500 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 31 proven. 236 refuted. 33 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-05 15:10:30,501 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 15:10:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 7 proven. 295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 15:10:38,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975412472] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 15:10:38,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 15:10:38,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 42, 46] total 137 [2024-05-05 15:10:38,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541352155] [2024-05-05 15:10:38,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 15:10:38,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2024-05-05 15:10:38,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 15:10:38,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2024-05-05 15:10:38,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1896, Invalid=16702, Unknown=34, NotChecked=0, Total=18632 [2024-05-05 15:10:38,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:10:38,803 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 15:10:38,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 3.2335766423357666) internal successors, (443), 137 states have internal predecessors, (443), 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) [2024-05-05 15:10:38,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:10:38,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:10:38,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 15:10:38,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-05 15:10:38,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 15:10:38,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 15:10:38,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 327 states. [2024-05-05 15:10:38,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-05 15:10:38,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-05-05 15:10:38,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 15:10:54,023 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 [] [2024-05-05 15:11:03,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:11:13,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:11:15,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:11:19,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:11:25,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:11:27,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:11:36,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:11:38,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:11:59,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:12:01,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:12:24,715 WARN L293 SmtUtils]: Spent 19.09s on a formula simplification. DAG size of input: 213 DAG size of output: 52 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-05 15:12:27,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:12:29,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:12:49,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:12:58,611 WARN L293 SmtUtils]: Spent 7.01s on a formula simplification. DAG size of input: 119 DAG size of output: 54 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-05 15:13:00,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:13:02,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:13:09,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:13:30,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:13:32,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:13:35,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:13:40,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:13:42,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:13:58,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:14:00,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:14:05,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:14:11,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:14:29,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:15:06,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:15:09,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:15:16,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:15:19,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:15:24,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:15:28,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:15:40,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:15:51,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 15:16:04,873 WARN L293 SmtUtils]: Spent 7.10s on a formula simplification. DAG size of input: 236 DAG size of output: 37 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-05 15:16:27,821 WARN L293 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 111 DAG size of output: 48 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-05 15:16:33,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-05-05 15:16:56,392 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-05-05 15:16:56,402 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 [2024-05-05 15:16:56,402 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 [2024-05-05 15:16:56,403 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 15:16:56,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 15:16:56,586 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 248 known predicates. [2024-05-05 15:16:56,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-05-05 15:16:56,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-05-05 15:16:56,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-05-05 15:16:56,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-05-05 15:16:56,588 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-05-05 15:16:56,591 INFO L448 BasicCegarLoop]: Path program histogram: [9, 3, 1, 1, 1] [2024-05-05 15:16:56,593 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-05 15:16:56,593 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-05 15:16:56,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 03:16:56 BasicIcfg [2024-05-05 15:16:56,595 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-05 15:16:56,595 INFO L158 Benchmark]: Toolchain (without parser) took 847699.25ms. Allocated memory was 353.4MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 281.8MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 152.0MB. Max. memory is 8.0GB. [2024-05-05 15:16:56,595 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 164.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 15:16:56,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.36ms. Allocated memory is still 353.4MB. Free memory was 281.6MB in the beginning and 269.7MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-05 15:16:56,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.32ms. Allocated memory is still 353.4MB. Free memory was 269.5MB in the beginning and 267.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 15:16:56,595 INFO L158 Benchmark]: Boogie Preprocessor took 18.98ms. Allocated memory is still 353.4MB. Free memory was 267.8MB in the beginning and 266.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-05 15:16:56,596 INFO L158 Benchmark]: RCFGBuilder took 443.16ms. Allocated memory is still 353.4MB. Free memory was 266.3MB in the beginning and 300.7MB in the end (delta: -34.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2024-05-05 15:16:56,596 INFO L158 Benchmark]: TraceAbstraction took 847033.18ms. Allocated memory was 353.4MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 299.6MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 169.8MB. Max. memory is 8.0GB. [2024-05-05 15:16:56,597 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 164.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 174.36ms. Allocated memory is still 353.4MB. Free memory was 281.6MB in the beginning and 269.7MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.32ms. Allocated memory is still 353.4MB. Free memory was 269.5MB in the beginning and 267.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.98ms. Allocated memory is still 353.4MB. Free memory was 267.8MB in the beginning and 266.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 443.16ms. Allocated memory is still 353.4MB. Free memory was 266.3MB in the beginning and 300.7MB in the end (delta: -34.4MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * TraceAbstraction took 847033.18ms. Allocated memory was 353.4MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 299.6MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 169.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 295387, independent: 271189, independent conditional: 265144, independent unconditional: 6045, dependent: 24191, dependent conditional: 24161, dependent unconditional: 30, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 276161, independent: 271189, independent conditional: 265144, independent unconditional: 6045, dependent: 4965, dependent conditional: 4935, dependent unconditional: 30, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 276161, independent: 271189, independent conditional: 265144, independent unconditional: 6045, dependent: 4965, dependent conditional: 4935, dependent unconditional: 30, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 276161, independent: 271189, independent conditional: 265144, independent unconditional: 6045, dependent: 4965, dependent conditional: 4935, dependent unconditional: 30, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 292581, independent: 271189, independent conditional: 14186, independent unconditional: 257003, dependent: 21384, dependent conditional: 11460, dependent unconditional: 9924, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 292581, independent: 271189, independent conditional: 11606, independent unconditional: 259583, dependent: 21384, dependent conditional: 4577, dependent unconditional: 16807, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 292581, independent: 271189, independent conditional: 11606, independent unconditional: 259583, dependent: 21384, dependent conditional: 4577, dependent unconditional: 16807, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1144, independent: 1056, independent conditional: 75, independent unconditional: 981, dependent: 86, dependent conditional: 74, dependent unconditional: 12, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1144, independent: 1051, independent conditional: 0, independent unconditional: 1051, dependent: 93, dependent conditional: 0, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 93, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 86, dependent conditional: 74, dependent unconditional: 12, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 86, dependent conditional: 74, dependent unconditional: 12, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3380, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 1368, dependent conditional: 632, dependent unconditional: 737, unknown: 2010, unknown conditional: 2010, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 292581, independent: 270133, independent conditional: 11531, independent unconditional: 258602, dependent: 21298, dependent conditional: 4503, dependent unconditional: 16795, unknown: 1150, unknown conditional: 157, unknown unconditional: 993] , Statistics on independence cache: Total cache size (in pairs): 1142, Positive cache size: 1056, Positive conditional cache size: 75, Positive unconditional cache size: 981, Negative cache size: 86, Negative conditional cache size: 74, Negative unconditional cache size: 12, Unknown cache size: 2, Unknown conditional cache size: 2, Unknown unconditional cache size: 0, Eliminated conditions: 9463, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 292581, independent: 271189, independent conditional: 14186, independent unconditional: 257003, dependent: 21384, dependent conditional: 11460, dependent unconditional: 9924, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 292581, independent: 271189, independent conditional: 11606, independent unconditional: 259583, dependent: 21384, dependent conditional: 4577, dependent unconditional: 16807, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 292581, independent: 271189, independent conditional: 11606, independent unconditional: 259583, dependent: 21384, dependent conditional: 4577, dependent unconditional: 16807, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1144, independent: 1056, independent conditional: 75, independent unconditional: 981, dependent: 86, dependent conditional: 74, dependent unconditional: 12, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1144, independent: 1051, independent conditional: 0, independent unconditional: 1051, dependent: 93, dependent conditional: 0, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 93, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 86, dependent conditional: 74, dependent unconditional: 12, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 93, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 86, dependent conditional: 74, dependent unconditional: 12, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3380, independent: 2, independent conditional: 2, independent unconditional: 0, dependent: 1368, dependent conditional: 632, dependent unconditional: 737, unknown: 2010, unknown conditional: 2010, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 292581, independent: 270133, independent conditional: 11531, independent unconditional: 258602, dependent: 21298, dependent conditional: 4503, dependent unconditional: 16795, unknown: 1150, unknown conditional: 157, unknown unconditional: 993] , Statistics on independence cache: Total cache size (in pairs): 1142, Positive cache size: 1056, Positive conditional cache size: 75, Positive unconditional cache size: 981, Negative cache size: 86, Negative conditional cache size: 74, Negative unconditional cache size: 12, Unknown cache size: 2, Unknown conditional cache size: 2, Unknown unconditional cache size: 0, Eliminated conditions: 9463 ], Independence queries for same thread: 19226 - TimeoutResultAtElement [Line: 139]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 248 known predicates. - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 248 known predicates. - TimeoutResultAtElement [Line: 130]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 248 known predicates. - TimeoutResultAtElement [Line: 132]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 248 known predicates. - TimeoutResultAtElement [Line: 131]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 248 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 159 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 846.9s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 555.0s, 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: 662, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 276.4s InterpolantComputationTime, 3857 NumberOfCodeBlocks, 3700 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 5316 ConstructedInterpolants, 0 QuantifiedInterpolants, 52091 SizeOfPredicates, 107 NumberOfNonLiveVariables, 2785 ConjunctsInSsa, 304 ConjunctsInUnsatCore, 23 InterpolantComputations, 4 PerfectInterpolantSequences, 14258/21369 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: 8.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 5, ConditionalCommutativityTraceChecks: 5, ConditionalCommutativityImperfectProofs: 2 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown